SitesBLAST

SitesBLAST – Find functional sites

SitesBLAST

Comparing 350061 FitnessBrowser__Btheta:350061 to proteins with known functional sites using BLASTp with E ≤ 0.001.

Or try Sites on a Tree, PaperBLAST, Conserved Domains, or compare to all protein structures

Found 20 (the maximum) hits to proteins with known functional sites (download)

5ey5B Lbcats
59% identity, 96% coverage: 10:387/394 of query aligns to 1:380/383 of 5ey5B

query
sites
5ey5B

G

G

Y

R

Y

F

G

G

E

K

F

Y

G

G

A

Q

Y

Y

V

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P

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C

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P

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A

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K

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D

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L

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N

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K

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I

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H

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G

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D

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N

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D

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E

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G

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-

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P

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C
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C

V
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V

G
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G

S
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S

N
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N

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A

A

M

G

G

T

I

I

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Y

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H

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Y

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N

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E

A

A

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A

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K

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G

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H

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G

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D

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Y

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T

binding pyridoxal-5'-phosphate: A80 (= A88), H81 (= H89), K82 (= K90), Q109 (= Q117), S185 (= S193), C225 (= C234), V226 (= V235), G227 (= G236), G228 (= G237), G229 (= G238), S230 (= S239), N231 (= N240), G298 (= G307), E345 (= E354), S371 (= S378), G372 (= G379)

5t6mB Structure of the tryptophan synthase b-subunit from pyroccus furiosus with b-methyltryptophan non-covalently bound (see paper)
53% identity, 97% coverage: 11:392/394 of query aligns to 2:385/386 of 5t6mB

query
sites
5t6mB

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

I

K

E

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

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F

L

K

E

D

S

D

E

E

D

E

F

F

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K

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Y

L

Y

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D

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G

G

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P

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L

Y

Y

L

Y

A

A

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R

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E

K

K

Y

I

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G

-

G

C

A

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Y

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L

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K

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R

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E

D

D

L

L

N

V

H

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G

G

A

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K

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N

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G

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I

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L

A

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R

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M

M

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T

G
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A
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H
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H

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G

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V

A

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N

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M

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G

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S

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M

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active site: K82 (= K90), E104 (= E112), S371 (= S378)
binding (betaS)-beta-methyl-L-tryptophan: K82 (= K90), E104 (= E112), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), L161 (= L169), G184 (= G192), S185 (= S193), V187 (= V195), G228 (= G237), G298 (= G307), Y301 (= Y310)

1v8zA X-ray crystal structure of the tryptophan synthase b2 subunit from hyperthermophile, pyrococcus furiosus (see paper)
53% identity, 97% coverage: 11:392/394 of query aligns to 2:385/386 of 1v8zA

query
sites
1v8zA

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

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E

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Y

Y

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E

D

S

D

E

E

D

E

F

F

K

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F

L

D

N

Q

Y

L

Y

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D

T

Y

W

V

A

G

G

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R

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P

L

L

Y

Y

L

Y

A

A

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L

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T

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E

K

K

Y

I

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G

-

G

C

A

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K

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I

Y

Y

L

L

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K

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R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A
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A

H
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H

K
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K

I

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N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

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K

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E

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G

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A

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G

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Q

H

H

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G

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A

A

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T

A

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G

A

A

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N

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L

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G

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G

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T

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L

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K

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D

A

A

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I

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N

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D

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C

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D

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D

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C

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V

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G

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S

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N

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A

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M

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G

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I

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Y

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H

A

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A

A

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L

A

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A

-

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K

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active site: K82 (= K90), E104 (= E112), S371 (= S378)
binding pyridoxal-5'-phosphate: A80 (= A88), H81 (= H89), K82 (= K90), Q109 (= Q117), S185 (= S193), C225 (= C234), V226 (= V235), G227 (= G236), G228 (= G237), G229 (= G238), S230 (= S239), N231 (= N240), G298 (= G307), E345 (= E354), S371 (= S378), G372 (= G379)

6am8B Engineered tryptophan synthase b-subunit from pyrococcus furiosus, pftrpb2b9 with trp bound as e(aex2) (see paper)
54% identity, 96% coverage: 11:389/394 of query aligns to 2:382/385 of 6am8B

query
sites
6am8B

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P
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P

E

E

I

T

L

L

H

V

K

G

C

P

V

L

E

K

E

E

L

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K

E

N

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Y

Y

L

K

G

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F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

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Q

F

L

D

N

Q

Y

L

Y

L

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D

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Y

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V

A

G

G

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T

P

P

L

L

Y

Y

L

Y

A

A

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K

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R

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L

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T

E

E

K

K

Y

I

G

G

-

G

C

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K

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M

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Y

Y

L

L

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K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H
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H

K
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K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

R

K

R

L

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E
|
E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L
|
L

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I
x
L

R

R

D

D

W

W

C

V

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G
|
G

S
|
S

T

V

V
|
V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C
|
C

V
|
V

G
|
G

S
|
S

N
|
N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I
x
S

H
|
H

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

D

E

E

D

E

G

G

Q

Q

I

I

E

K

E

P

P

S

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D

D

Y
|
Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

A

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E
|
E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S
|
S

G
|
G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

active site: K82 (= K90), E104 (= E112), S371 (= S378)
binding [3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl]-l-tryptophane: H81 (= H89), K82 (= K90), E104 (= E112), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), L161 (= L169), G184 (= G192), S185 (= S193), V187 (= V195), C225 (= C234), V226 (= V235), G227 (= G236), G228 (= G237), G229 (= G238), S230 (= S239), N231 (= N240), G298 (= G307), Y301 (= Y310), E345 (= E354), S371 (= S378), G372 (= G379)
binding tryptophan: P12 (= P21), L169 (≠ I177), S274 (≠ I283), H275 (= H284)

5dw0A Trpb from pyrococcus furiosus with l-serine bound as the external aldimine (see paper)
53% identity, 97% coverage: 11:392/394 of query aligns to 2:385/388 of 5dw0A

query
sites
5dw0A

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

I

K

E

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

I

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H
|
H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

R

K

R

F

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E
|
E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L

L

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I

L

R

R

D

D

W

W

C

V

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G

G

S
|
S

T

V

V

V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C

C

V
|
V

G
|
G

S
|
S

N
|
N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I

F

H

H

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

D

E

E

D

E

G

G

Q

Q

I

I

E

K

E

P

P

T

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D
|
D

Y

Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

T

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E
|
E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S
|
S

G

G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

S

K

F

V

N

S

active site: K82 (= K90), E104 (= E112), S371 (= S378)
binding [3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl]-serine: H81 (= H89), K82 (= K90), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), S185 (= S193), V226 (= V235), G227 (= G236), G228 (= G237), G229 (= G238), S230 (= S239), N231 (= N240), G298 (= G307), D300 (= D309), E345 (= E354), S371 (= S378)

7rnpA Engineered tryptophan synthase b-subunit from pyrococcus furiosus, pftrpb2b9_h275e with 4-cl-trp non-covalently bound (see paper)
53% identity, 96% coverage: 11:389/394 of query aligns to 2:382/384 of 7rnpA

query
sites
7rnpA

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

V

K

G

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

V

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H

H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

R

K

R

L

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E
|
E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L
|
L

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I

L

R

R

D

D

W

W

C

V

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G
|
G

S
|
S

T

V

V
|
V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C

C

V

V

G

G

G
|
G

G

G

S

S

N

N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I

S

H

E

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

D

E

E

D

E

G

G

Q

Q

I

I

E

K

E

P

P

S

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D

D

Y
|
Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

A

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E

E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S

S

G

G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

binding 4-chloro-L-tryptophan: K82 (= K90), E104 (= E112), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), L161 (= L169), G184 (= G192), S185 (= S193), V187 (= V195), G228 (= G237), G298 (= G307), Y301 (= Y310)

5dw3A Tryptophan synthase beta-subunit from pyrococcus furiosus with product l-tryptophan non-covalently bound in the active site (see paper)
53% identity, 96% coverage: 11:389/394 of query aligns to 2:381/383 of 5dw3A

query
sites
5dw3A

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

I

K

E

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

I

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H

H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

R

K

R

F

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E
|
E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L
|
L

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I

L

R

R

D

D

W

W

C

V

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G
|
G

S
|
S

T

V

V
|
V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C

C

V

V

G

G

G
|
G

G

G

S

S

N

N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I

F

H

H

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

D

E

E

D

-

G

G

Q

Q

I

I

E

K

E

P

P

T

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D

D

Y
|
Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

T

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E

E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S
|
S

G

G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

active site: K82 (= K90), E104 (= E112), S370 (= S378)
binding tryptophan: K82 (= K90), E104 (= E112), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), L161 (= L169), G184 (= G192), S185 (= S193), V187 (= V195), G228 (= G237), G297 (= G307), Y300 (= Y310)

5t6mA Structure of the tryptophan synthase b-subunit from pyroccus furiosus with b-methyltryptophan non-covalently bound (see paper)
53% identity, 97% coverage: 11:392/394 of query aligns to 2:383/383 of 5t6mA

query
sites
5t6mA

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

I

K

E

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

I

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H

H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

R

K

R

F

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E
|
E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L

L

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I

L

R

R

D

D

W

W

C

V

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G

G

S

S

T

V

V

V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C

C

V

V

G

G

S

S

N

N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I

F

H

H

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

-

E

-

D

D

G

G

Q

Q

I

I

E

K

E

P

P

T

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D

D

Y

Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

T

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E

E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S
|
S

G

G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

S

K

F

V

N

S

active site: K82 (= K90), E104 (= E112), S369 (= S378)
binding phosphate ion: K82 (= K90), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), G296 (= G307)

5vm5D Engineered tryptophan synthase b-subunit from pyrococcus furiosus, pftrpb2b9, with ser bound (see paper)
54% identity, 96% coverage: 11:389/394 of query aligns to 2:380/383 of 5vm5D

query
sites
5vm5D

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

V

K

G

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

V

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H
|
H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

R

K

R

L

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E
|
E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L

L

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I

L

R

R

D

D

W

W

C

V

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G

G

S
|
S

T

V

V

V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C

C

V
|
V

G
|
G

S
|
S

N
|
N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I

S

H

H

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

-

E

-

D

D

G

G

Q

Q

I

I

E

K

E

P

P

S

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D

D

Y

Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

A

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E
|
E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S
|
S

G
|
G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

active site: K82 (= K90), E104 (= E112), S369 (= S378)
binding 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid: H81 (= H89), K82 (= K90), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), S185 (= S193), V226 (= V235), G227 (= G236), G228 (= G237), G229 (= G238), S230 (= S239), N231 (= N240), G296 (= G307), E343 (= E354), S369 (= S378), G370 (= G379)

5ixjD Tryptophan synthase beta-subunit from pyrococcus furiosus with l- threonine non-covalently bound in the active site (see paper)
53% identity, 97% coverage: 11:392/394 of query aligns to 2:383/394 of 5ixjD

query
sites
5ixjD

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

I

K

E

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

I

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H

H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

L

A

A

R

K

R

F

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E
|
E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L
|
L

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I

L

R

R

D

D

W

W

C

V

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G

G

S

S

T

V

V

V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C

C

V

V

G

G

S

S

N

N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I

F

H

H

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

-

E

-

D

D

G

G

Q

Q

I

I

E

K

E

P

P

T

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D
|
D

Y
|
Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

T

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E

E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S
|
S

G

G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

S

K

F

V

N

S

active site: K82 (= K90), E104 (= E112), S369 (= S378)
binding threonine: K82 (= K90), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), L161 (= L169), G296 (= G307), D298 (= D309), Y299 (= Y310)

6cuzA Engineered trpb from pyrococcus furiosus, pftrpb7e6 with (2s,3r)- ethylserine bound as the amino-acrylate (see paper)
53% identity, 96% coverage: 11:389/394 of query aligns to 2:382/383 of 6cuzA

query
sites
6cuzA

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

V

K

G

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

I

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H
|
H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

P

L

L

A

A

R

K

R

L

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E

E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A

C

G

A

A

L

L

M

L

D

G

M

M

E

K

C

V

I

D

V

I

Y

Y

M

M

G

G

K

A

T

E

D

D

V

V

E

E

R

R

Q

Q

H

K

I

M

N

N

V

V

E

F

K

R

M

M

K

K

M

L

L

L

G

G

A

A

T

N

V

V

I

I

P

P

V

V

T

N

S

S

G

G

N

S

M

R

T

T

L

A

K

K

D

D

A

A

T

I

N

N

E

E

A

A

I

L

R

R

D

D

W

W

C

E

C

A

H

T

P

F

A

E

D

Y

T

T

Y

H

Y

Y

I

L

I

I

G

G

S
|
S

T

V

V

V

G

G

P

P

H

H

P

P

Y

Y

P

P

D

T

M

I

V

V

A

R

R

D

L

F

Q

Q

S

S

V

V

I

I

S

G

E

R

E

E

I

A

K

K

K

A

Q

Q

L

I

M

L

E

E

K

A

E

E

G

G

R

Q

D

-

H

L

P

P

D

D

Y

V

L

I

I

V

A

A

C

C

V
|
V

G
|
G

S
|
S

N
|
N

A

A

A

M

G

G

T

I

I

F

Y

Y

H

P

Y

F

I

V

N

N

D

D

G

K

R

K

V

V

G

K

I

L

I

V

L

G

A

V

E

E

A

A

G

G

K

K

G

G

I

L

E

E

T

S

G

G

M

K

T

H

A

S

A

A

T

S

I

L

Q

N

L

A

G

G

K

Q

M

V

G

G

I

V

I

L

H

H

G

G

A

M

R

L

T

S

Y

Y

V

F

I

L

Q

Q

N

D

E

E

D

E

G

G

Q

Q

I

I

E

K

E

P

P

S

Y

H

S

S

I

I

S

A

A

P

G
|
G

L

L

D

D

Y

Y

P

P

G

G

I

V

G

G

P

P

I

E

H

H

A

A

N

Y

L

L

A

K

Q

I

R

Q

R

R

A

A

T

E

V

Y

L

V

A

T

V

V

N

T

D

D

D

E

E

E

A

A

I

L

E

K

A

A

A

F

Y

H

E

E

L

L

T

S

K

R

L

T

E

E

G

G

I

I

P

P

A

A

L

L

E
|
E

S

S

A

A

H

H

A

A

L

V

G

A

A

Y

L

A

K

M

K

K

L

L

-

A

-

K

K

E

F

M

K

S

P

R

E

D

D

E

V

I

L

V

T

N

V

L

S
|
S

G
|
G

R

R

G

G

D

D

K

K

D

D

I

L

E

D

T

I

Y

V

L

L

binding (2E)-2-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]pent-2-enoic acid: H81 (= H89), K82 (= K90), T105 (= T113), G106 (= G114), A107 (= A115), G108 (= G116), Q109 (= Q117), H110 (= H118), S185 (= S193), V226 (= V235), G227 (= G236), G228 (= G237), G229 (= G238), S230 (= S239), N231 (= N240), G298 (= G307), E345 (= E354), S371 (= S378), G372 (= G379)

6cutA Engineered holo trpb from pyrococcus furiosus, pftrpb7e6 with (2s,3s)- isopropylserine bound as the external aldimine (see paper)
53% identity, 96% coverage: 11:389/394 of query aligns to 2:382/385 of 6cutA

query
sites
6cutA

Y

W

Y

F

G

G

E

E

F

F

G

G

A

Q

Y

Y

V

V

P

P

E

E

I

T

L

L

H

V

K

G

C

P

V

L

E

K

E

E

L

L

K

E

N

K

T

A

Y

Y

L

K

G

R

V

F

L

K

E

D

S

D

E

E

D

E

F

F

K

N

K

R

E

Q

F

L

D

N

Q

Y

L

Y

L

L

R

K

D

T

Y

W

V

A

G

G

R

R

P

P

S

T

P

P

L

L

Y

Y

L

Y

A

A

R

K

R

R

L

L

S

T

E

E

K

K

Y

I

G

G

-

G

C

A

K

K

M

I

Y

Y

L

L

K

K

R

R

E

E

D

D

L

L

N

V

H

H

T

G

G

G

A

A

H
|
H

K
|
K

I

T

N

N

T

A

I

I

G

G

Q

Q

I

A

L

P

L

L

A

A

R

K

R

L

M

M

G

G

K

K

K

T

R

R

I

L

I

I

A

A

E

E

T
|
T

G
|
G

A
|
A

G
|
G

Q
|
Q

H
|
H

G

G

V

V

A

A

T

T

A

A

T

M

V

A