SitesBLAST

SitesBLAST – Find functional sites

SitesBLAST

Comparing CA265_RS18545 FitnessBrowser__Pedo557:CA265_RS18545 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 13 hits to proteins with known functional sites (download)

4xfjB Crystal structure of argininosuccinate synthase from mycobacterium thermoresistibile in complex with amppnp and arginine
29% identity, 96% coverage: 2:382/395 of query aligns to 2:385/397 of 4xfjB

query
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4xfjB

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active site: D13 (= D13), R94 (= R95), D123 (= D124), S174 (= S174)
binding phosphoaminophosphonic acid-adenylate ester: A7 (= A7), Y8 (≠ F8), S9 (= S9), T14 (= T14), I34 (≠ V34), G116 (= G117), C117 (≠ S118), F127 (= F128)
binding arginine: Y86 (= Y87), S90 (≠ V91), R126 (= R127), A183 (≠ S183), E185 (vs. gap), E259 (≠ G255), E269 (≠ V265), Y271 (≠ F267)

7k5zA Crystal structure of argininosuccinate synthase from legionella pneumophila philadelphia 1 in complex with anppnp and a substrate analogue arginine
31% identity, 99% coverage: 1:393/395 of query aligns to 3:385/390 of 7k5zA

query
sites
7k5zA

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active site: D15 (= D13), R95 (≠ A93), D124 (= D124), S176 (= S174)
binding phosphoaminophosphonic acid-adenylate ester: A9 (= A7), Y10 (≠ F8), S11 (= S9), C37 (≠ V34), G117 (= G117), F128 (= F128)
binding arginine: Y88 (= Y87), T92 (≠ S90), D124 (= D124), R127 (= R127), S185 (= S183), E187 (≠ G185), E261 (≠ G255), Y273 (≠ F267)

P59846 Argininosuccinate synthase; Citrulline--aspartate ligase; EC 6.3.4.5 from Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) (see 2 papers)
26% identity, 99% coverage: 3:394/395 of query aligns to 2:396/400 of P59846

query
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P59846

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6:14 (vs. 7:15, 89% identical) binding
A33 (≠ V34) binding
G114 (= G117) binding

1j20A Crystal structure of thermus thermophilus hb8 argininosuccinate synthetase in complex with product (see paper)
27% identity, 96% coverage: 3:380/395 of query aligns to 2:373/386 of 1j20A

query
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1j20A

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I

G

G

G

-

F

-

S

Q

D

G

E

E

L

V

Q

E

E

E

I

A

E

R

K

E

R

K

A

A

Y

L

A

R

L

T

G

G

V

A

K

S

S

K

H

A

A

I

V

A

V

L

D

D

E

L

T

K

E

E

S

E

Y

F

Y

V

E

R

G

D

C

F

I

V

K

F

Y

P

L

M

V

M

F

R

G

A

N

G

V

A

L

V

K

Y

N

E

A

G

T

Y

Y
|
Y

P

L

L

L

S

G

V
x
T

S

S

A

I

E

A

R
|
R

V

P

S

L

Q

I

A

A

T

K

A

H

I

L

A

V

N

R

Y

I

V

A

K

E

I

E

G

G

A

A

D

E

Y

A

V

I

A

A

H
|
H

G
|
G

S
x
A

T
|
T

G

G

A

K

G
|
G

N
|
N

D
|
D

Q

Q

V

V

R
|
R

F
|
F

D

E

M

L

I

T

F

A

N

Y

I

A

L

L

I

K

P

P

E

D

V

I

E

K

I

V

I

I

T

A

P

P

I

W

R

R

D

E

L

W

K

S

L

F

S

Q

-

G

R

R

E

K

A

E

E

M

I

I

E

A

Y

Y

L

A

A

E

Q

A

H

H

G

G

V

I

E

P

Y

V

S

P

A

P

E

-

K

-

A

-

R

-

Y

Y

S
|
S

I

M

N

D

K

A

G

N

L

L

W

L

G

H

T

I

S
|
S

V

Y

G
x
E

G

G

K

G

E

V

T

L

L

E

T

D

S

P

H

W

E

A

T

E

L

P

P

P

E

K

S

G

A

M

W

F

P

R

T

M

Q

T

V

Q

S

D

E

P

T

E

E

E

S

A

R

P

K

D

-

A

-

P

-

E

-

Y

V

V

E

E

L

V

T

E

F

F

E

F

K

E

G

G

E

D

L

P

V

V

A

A

I

V

D

N

G

G

E

E

K

R

L

L

A

S

P

P

V

A

R

A

A

L

I

L

Q

Q

K

R

L

L

Q

N

A

E

I

I

A

G

Q

G

P

R

F

H

G

G

I

V

G

G

R

R

D

V

I

D

H

I

V

V

G
x
E

D

N

T

R

I

F

I

V

G

G

I

M

K

K

G

S

R

R

V

G

G

V

F
x
Y

E

E

A

T

A

P

G

G

P

G

I

T

L

I

I

L

I

Y

K

H

A

A

H

R

T

A

L

V

E

E

K

S

H

L

T

T

L

L

T

D

K

R

W

E

Q

V

L

L

S

H

W

Q

K

R

E

D

Q

M

L

L

S

S

S

P

F

K

Y

Y

G

A

N

E

W

L

L

V

H

Y

E

Y

G

G

Q

F

F

W

H

Y

D

A

P

P

I

E

M

R

R

E

N

A

I

L

E

Q

A

A

F

Y

L

F

A

D

D

H

T

V

Q

A

K

R

F

S

V

V

S

T

G

G

K

V

V

A

F

R

V

L

E

K

L

L

L

Y

P

K

Y

G

R

N

F

V

Q

Y

I

V

G

G

I

R

E

K

S

A

N

P

H

K

D

S

L

L

M

Y

S

R

N

Q

K

D

F

L

G

V

S

S

Y

F

G

G

E

-

M

-

N

-

A

-

W

Y

S

D

G

Q

E

K

D

D

V

A

K

E

G

G

F

F

S

I

K

K

I

I

active site: D12 (= D13), R92 (= R95), D121 (= D124), S168 (= S174)
binding adenosine monophosphate: A6 (= A7), T13 (= T14), A33 (≠ V34), R92 (= R95), H113 (= H116), G114 (= G117), F125 (= F128)
binding argininosuccinate: Y84 (= Y87), T88 (≠ V91), A115 (≠ S118), T116 (= T119), G119 (= G122), N120 (= N123), D121 (= D124), R124 (= R127), S177 (= S183), E179 (≠ G185), E253 (≠ G255), Y265 (≠ F267)

1j1zA Crystal structure of thermus thermophilus hb8 argininosuccinate synthetase in complex with substrate (see paper)
27% identity, 96% coverage: 3:380/395 of query aligns to 2:373/386 of 1j1zA

query
sites
1j1zA

K

K

V

I

V

V

L

L

A
|
A

F

Y

S

S

G

G

L

L

D
|
D

T
|
T

S

S

F

I

C

I

C

L

I

K

Y

W

L

L

A

K

Q

E

D

T

R

Y

G

R

L

A

E

E

V

V

H

I

S

A

V

F

I

T

V
x
A

N

D

T

I

G

G

G

-

F

-

S

Q

D

G

E

E

L

V

Q

E

E

E

I

A

E

R

K

E

R

K

A

A

Y

L

A

R

L

T

G

G

V

A

K

S

S

K

H

A

A

I

V

A

V

L

D

D

E

L

T

K

E

E

S

E

Y

F

Y

V

E

R

G

D

C

F

I

V

K

F

Y

P

L

M

V

M

F

R

G

A

N

G

V

A

L

V

K

Y

N

E

A

G

T

Y

Y
|
Y

P

L

L

L

S

G

V
x
T

S

S

A

I

E

A

R
|
R

V

P

S

L

Q
x
I

A

A

T

K

A

H

I

L

A

V

N

R

Y

I

V

A

K

E

I

E

G

G

A

A

D

E

Y

A

V

I

A

A

H
|
H

G
|
G

S
x
A

T
|
T

G

G

A

K

G
|
G

N
|
N

D
|
D

Q

Q

V

V

R
|
R

F
|
F

D

E

M

L

I

T

F

A

N

Y

I

A

L

L

I

K

P

P

E

D

V

I

E

K

I

V

I

I

T

A

P

P

I

W

R

R

D

E

L

W

K

S

L

F

S

Q

-

G

R

R

E

K

A

E

E

M

I

I

E

A

Y

Y

L

A

A

E

Q

A

H

H

G

G

V

I

E

P

Y

V

S

P

A

P

E

-

K

-

A

-

R

-

Y

Y

S
|
S

I
x
M

N

D

K

A

G

N

L

L

W

L

G

H

T

I

S
|
S

V

Y

G
x
E

G

G

K

G

E

V

T

L

L

E

T

D

S

P

H

W

E

A

T

E

L

P

P

P

E

K

S

G

A

M

W

F

P

R

T

M

Q

T

V

Q

S

D

E

P

T

E

E

E

S

A

R

P

K

D

-

A

-

P

-

E

-

Y

V

V

E

E

L

V

T

E

F

F

E

F

K

E

G

G

E

D

L

P

V

V

A

A

I

V

D

N

G

G

E

E

K

R

L

L

A

S

P

P

V

A

R

A

A

L

I

L

Q

Q

K

R

L

L

Q

N

A

E

I

I

A

G

Q

G

P

R

F

H

G

G

I

V

G

G

R

R

D

V

I

D

H

I

V

V

G
x
E

D

N

T

R

I

F

I

V

G

G

I

M

K

K

G

S

R

R

V

G

G

V

F
x
Y

E

E

A

T

A

P

G

G

P

G

I

T

L

I

I

L

I

Y

K

H

A

A

H

R

T

A

L

V

E

E

K

S

H

L

T

T

L

L

T

D

K

R

W

E

Q

V

L

L

S

H

W

Q

K

R

E

D

Q

M

L

L

S

S

S

P

F

K

Y

Y

G

A

N

E

W

L

L

V

H

Y

E

Y

G

G

Q

F

F

W

H

Y

D

A

P

P

I

E

M

R

R

E

N

A

I

L

E

Q

A

A

F

Y

L

F

A

D

D

H

T

V

Q

A

K

R

F

S

V

V

S

T

G

G

K

V

V

A

F

R

V

L

E

K

L

L

L

Y

P

K

Y

G

R

N

F

V

Q

Y

I

V

G

G

I

R

E

K

S

A

N

P

H

K

D

S

L

L

M

Y

S

R

N

Q

K

D

F

L

G

V

S

S

Y

F

G

G

E

-

M

-

N

-

A

-

W

Y

S

D

G

Q

E

K

D

D

V

A

K

E

G

G

F

F

S

I

K

K

I

I

active site: D12 (= D13), R92 (= R95), D121 (= D124), S168 (= S174)
binding aspartic acid: A115 (≠ S118), T116 (= T119), G119 (= G122), N120 (= N123), D121 (= D124)
binding adenosine-5'-triphosphate: A6 (= A7), T13 (= T14), A33 (≠ V34), R92 (= R95), I95 (≠ Q98), H113 (= H116), G114 (= G117), F125 (= F128)
binding citrulline: Y84 (= Y87), T88 (≠ V91), R124 (= R127), S168 (= S174), M169 (≠ I175), S177 (= S183), E179 (≠ G185), E253 (≠ G255), Y265 (≠ F267)

1kh3A Crystal structure of thermus thermophilus hb8 argininosuccinate synthetase in complex with inhibitor (see paper)
26% identity, 96% coverage: 3:380/395 of query aligns to 2:367/380 of 1kh3A

query
sites
1kh3A

K

K

V

I

V

V

L

L

A
|
A

F

Y

S

S

G

G

L

L

D
|
D

T
|
T

S

S

F

I

C

I

C

L

I

K

Y

W

L

L

A

K

Q

E

D

T

R

Y

G

R

L

A

E

E

V

V

H

I

S

A

V

F

I
x
T

V
x
A

N

D

T

I

G

G

G

-

F

-

S

Q

D

G

E

E

L

V

Q

E

E

E

I

A

E

R

K

E

R

K

A

A

Y

L

A

R

L

T

G

G

V

A

K

S

S

K

H

A

A

I

V

A

V

L

D

D

E

L

T

K

E

E

S

E

Y

F

Y

V

E

R

G

D

C

F

I

V

K

F

Y

P

L

M

V

M

F

R

G

A

N

G

V

A

L

V

K

Y

N

E

A

G

T

Y

Y
|
Y

P

L

L

L

S

G

V
x
T

S

S

A

I

E

A

R
|
R

V

P

S

L

Q

I

A

A

T

K

A

H

I

L

A

V

N

R

Y

I

V

A

K

E

I

E

G

G

A

A

D

E

Y

A

V

I

A

A

H
|
H

G
|
G

S
x
A

T
|
T

G

G

A

K

G
|
G

N
|
N

D
|
D

Q

Q

V

V

R
|
R

F
|
F

D

E

M

L

I

T

F

A

N

Y

I

A

L

L

I

K

P

P

E

D

V

I

E

K

I

V

I

I

T

A

P

P

I

W

R

R

D

E

L

W

K

S

L

F

S

Q

-

G

R

R

E

K

A

E

E

M

I

I

E

A

Y

Y

L

A

A

E

Q

A

H

H

G

G

V

I

E

P

Y

V

S

P

A

P

E

-

K

-

A

-

R

-

Y

Y

S
|
S

I
x
M

N
x
D

K

A

G

N

L

L

W

L

G

H

T

I

S
|
S

V

Y

G
x
E

G

G

K

G

E

V

T

L

L

E

T

D

S

P

H

W

E

A

T

E

L

P

P

P

E

K

S

G

A

M

W

F

P

R

T

M

Q

T

V

Q

S

D

E

P

T

E

E

E

S

A

R

P

K

D

-

A

-

P

-

E

-

Y

V

V

E

E

L

V

T

E

F

F

E

F

K

E

G

G

E

D

L

P

V

V

A

A

I

V

D

N

G

G

E

E

K

R

L

L

A

S

P

P

V

A

R

A

A

L

I

L

Q

Q

K

R

L

L

Q

N

A

E

I

I

A

G

Q

G

P

R

F

H

G

G

I

V

G

G

R

R

D

V

I

D

H

I

V

V

G
x
E

D

N

T

R

I

F

I

V

G

G

I

M

K

K

G

S

R

R

V

G

G

V

F
x
Y

E

E

A

T

A

P

G

G

P

G

I

T

L

I

I

L

I

Y

K

H

A

A

H

R

T

A

L

V

E

E

K

S

H

L

T

T

L

L

T

D

K

R

W

E

Q

V

L

L

S

H

W

Q

K

R

E

D

Q

M

L

L

S

S

S

P

F

K

Y

Y

G

A

N

E

W

L

L

V

H

Y

E

Y

G

G

Q

F

F

W

H

Y

D

A

P

P

I

E

M

R

R

E

N

A

I

L

E

Q

A

A

F

Y

L

F

A

D

D

H

T

V

Q

A

K

R

F

S

V

V

S

T

G

G

K

V

V

A

F

R

V

L

E

K

L

L

L

Y

P

K

Y

G

R

N

F

V

Q

Y

I

V

G

G

I

R

E

K

S

A

N

P

H

K

D

S

L

L

M

Y

S

-

N

-

K

-

F

-

G

-

S

-

Y

-

G

-

E

-

M

-

N

-

N

R

A

G

W

Y

S

D

G

Q

E

K

D

D

V

A

K

E

G

G

F

F

S

I

K

K

I

I

active site: D12 (= D13), R92 (= R95), D121 (= D124), S168 (= S174)
binding phosphoaminophosphonic acid-adenylate ester: A6 (= A7), T13 (= T14), T32 (≠ I33), A33 (≠ V34), H113 (= H116), G114 (= G117), F125 (= F128), S168 (= S174), M169 (≠ I175)
binding arginine: Y84 (= Y87), T88 (≠ V91), R124 (= R127), S168 (= S174), M169 (≠ I175), D170 (≠ N176), S177 (= S183), E179 (≠ G185), E253 (≠ G255), Y265 (≠ F267)
binding aspartic acid: A115 (≠ S118), T116 (= T119), G119 (= G122), N120 (= N123), D121 (= D124)

2nz2A Crystal structure of human argininosuccinate synthase in complex with aspartate and citrulline (see paper)
28% identity, 99% coverage: 4:393/395 of query aligns to 4:402/402 of 2nz2A

query
sites
2nz2A

V

V

L

L

A

A

F

Y

S

S

G

G

L

L

D
|
D

T

T

S

S

F

-

C

C

C

I

I

L

Y

V

L

W

A

L

Q

K

D

E

R

Q

G

G

L

Y

E

D

V

V

H

I

S

A

V

Y

I

L

V

A

N

N

T

I

G

G

G

-

F

-

S

Q

D

K

E

E

E

D

L

F

Q

E

E

E

I

A

E

R

K

K

R

K

A

A

Y

L

A

K

L

L

G

G

V

A

K

K

S

K

H

V

A

F

V

I

V

E

D

D

E

V

T

S

E

R

S

E

Y

F

Y

V

E

E

G

E

C

F

I

I

K

W

Y

P

L

A

V

I

F

Q

G

S

N

S

V

A

L

L

K

Y

N

E

A

D

T

R

Y
|
Y

P

L

L

L

S

G

V
x
T

S

S

A

L

E

A

R
|
R

V

P

S

C

Q

I

A

A

T

R

A

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active site: D13 (= D13), R92 (= R95), D121 (= D124), S176 (= S174)
binding aspartic acid: A115 (≠ S118), T116 (= T119), G119 (= G122), N120 (= N123), D121 (= D124)
binding citrulline: Y84 (= Y87), T88 (≠ V91), N120 (= N123), R124 (= R127), D178 (≠ N176), S185 (= S183), E187 (≠ G185), E266 (≠ G255), Y278 (≠ F267)

P00966 Argininosuccinate synthase; Citrulline--aspartate ligase; EC 6.3.4.5 from Homo sapiens (Human) (see 16 papers)
27% identity, 99% coverage: 4:394/395 of query aligns to 7:408/412 of P00966

query
sites
P00966

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V64 (≠ E64) to I: in CTLN1; uncertain significance; dbSNP:rs556297791
Y87 (= Y87) binding
T91 (≠ V91) to P: in CTLN1; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs769018733
S92 (= S92) binding
R95 (= R95) to S: in CTLN1; increased thermal stability; loss of argininosuccinate synthase activity
P96 (≠ V96) to H: in CTLN1; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; to L: in CTLN1; decreased thermal stability; decreased affinity for aspartate; decreased affinity for citrulline; loss of argininosuccinate synthase activity; to S: in CTLN1; no effect on thermal stability; decreased argininosuccinate synthase activity
G117 (= G117) to S: in CTLN1; decreased thermal stability; loss of argininosuccinate synthase activity; dbSNP:rs770944877
A118 (≠ S118) to T: in CTLN1; decreased thermal stability; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs775305020
T119 (= T119) binding ; to I: in CTLN1; decreased thermal stability; loss of argininosuccinate synthase activity
N123 (= N123) binding ; binding
D124 (= D124) binding ; to N: in CTLN1; loss of argininosuccinate synthase activity; dbSNP:rs936192871
R127 (= R127) binding ; to L: increased thermal stability; loss of argininosuccinate synthase activity; dbSNP:rs201623252; to Q: in CTLN1; increased thermal stability; loss of argininosuccinate synthase activity; dbSNP:rs201623252; to W: in CTLN1; severe clinical course; loss of argininosuccinate synthase activity; dbSNP:rs771794639
R157 (= R152) to C: in CTLN1; decreased thermal stability; loss of argininosuccinate synthase activity; dbSNP:rs770585183; to H: in CTLN1; loss of argininosuccinate synthase activity; dbSNP:rs121908637
K165 (≠ A160) modified: N6-acetyllysine; by CLOCK; mutation K->Q,R: Significant loss of acetylation but no decrease in enzyme activity; when associated with Q-176 or R-176.
K176 (= K170) modified: N6-acetyllysine; by CLOCK; mutation K->Q,R: Significant loss of acetylation but no decrease in enzyme activity; when associated with Q-165 or R-165.
W179 (≠ Y173) to R: in CTLN1; mild; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs121908646
S180 (= S174) binding ; to I: in CTLN1; increased thermal stability; loss of argininosuccinate synthase activity; dbSNP:rs121908638; to N: in CTLN1; decreased thermal stability; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs121908638
S189 (= S183) binding
E191 (≠ G185) to Q: in CTLN1; loss of argininosuccinate synthase activity
A192 (≠ G186) to V: in CTLN1; decreased protein abundance
V263 (≠ I248) to M: in CTLN1; mild clinical course; no effect on affinity for aspartate; no effect on affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs192838388
R265 (= R250) to C: in CTLN1; severe clinical course; loss of argininosuccinate synthase activity; dbSNP:rs148918985
E270 (≠ G255) binding ; to Q: in CTLN1; loss of argininosuccinate synthase activity; dbSNP:rs775163147
R272 (≠ T257) to C: in CTLN1; increased thermal stability; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs762387914; to H: in CTLN1; increased thermal stability; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs768215008; to L: in CTLN1; increased thermal stability; decreased affinity for aspartate; decreased affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs768215008
G280 (≠ V265) to R: in CTLN1; loss of argininosuccinate synthase activity
Y282 (≠ F267) binding
T284 (≠ A269) to I: in CTLN1; mild clinical course; dbSNP:rs886039853
M302 (≠ L287) to V: in CTLN1; no effect on affinity for aspartate; no effect on affinity for citrulline; decreased argininosuccinate synthase activity
R304 (≠ K289) to W: in CTLN1; decreased protein abundance; dbSNP:rs121908642
G324 (= G309) to S: in CTLN1; loss of argininosuccinate synthase activity; dbSNP:rs121908639
G347 (= G332) to R: in CTLN1; severe clinical course
Y359 (≠ Q344) to D: in CTLN1; mild clinical course
G362 (= G347) to V: in CTLN1; mild; no effect on affinity for aspartate; no effect on affinity for citrulline; decreased argininosuccinate synthase activity; dbSNP:rs121908647
G390 (= G376) to R: in CTLN1; loss of argininosuccinate synthase activity; dbSNP:rs121908641

5us8A 2.15 angstrom resolution crystal structure of argininosuccinate synthase from bordetella pertussis
28% identity, 79% coverage: 2:314/395 of query aligns to 15:342/445 of 5us8A

query
sites
5us8A

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P

active site: D26 (= D13), R110 (= R95), D139 (= D124), S195 (= S174)
binding adenosine: E321 (≠ S293), R324 (≠ E296), E325 (≠ Q297), R328 (≠ S300), K329 (≠ F301)

6e5yA 1.50 angstrom resolution crystal structure of argininosuccinate synthase from bordetella pertussis in complex with amp.
28% identity, 79% coverage: 2:314/395 of query aligns to 11:338/438 of 6e5yA

query
sites
6e5yA

K

Q

K

K

V

V

V

G

L

I

A
|
A

F

F

S

S

G

G

L

L

D
|
D

T

T

S

S

F

A

C

A

C

L

I

L

Y

W

L

M

A

R

Q

Q

D

-

R

K

G

G

L

A

E

V

V

P

H

Y

S

A

V

Y

I
x
T

V
x
A

N

N

T

L

G

G

G

Q

F

P

S

D

D

E

E

P

E

D

L

Y

Q

D

E

E

I

I

E

P

K

R

R

R

A

A

Y

M

A

Q

L

Y

G

G

V

A

K

E

S

A

H

A

A

R

V

L

V

V

D

D

-

C

E

R

T

A

E

Q

S

L

Y

V

Y

A

E

E

G

G

-

I

-

A

C

A

I

L

K

Q

Y

A

L

G

V

A

F

F

G

H

N

I

V

S

L

T

K

A

N

G

A

L

T

T

Y

Y

P

F

L

N

S

T

V

T

S

P

A

I

E

G

R
|
R

V

A

S

V

Q

T

A

G

T

T

A

M

I

L

A

V

N

A

Y

A

V

M

K

K

K

E

I

D

G

G

A

V

D

N

Y

I

V

W

A

G

H

D

G

G

S

S

T

T

G

F

A

K

G

G

N

N

D
|
D

Q

I

V

E

R

R

F

F

D

Y

M

R

I

Y

F

G

N

L

I

L

L

T

I

N

P

P

E

D

V

L

E

K

I

I

I

Y

T

K

P

P

I

W

R

L

D

D

L

Q

-

T

-

F

-

I

-

D

K

E

L

L

S

G

R

G

E

R

A

A

E

E

I

M

-

S

E

E

Y

Y

L

M

A

R

Q

Q

H

A

G

G

V

F

E

D

Y

Y

-

K

-

M

S

S

A

A

E

E

K

K

A

A

R

-

Y

Y

S
|
S

I

T

N
x
D

K

S

G

N

L

M

W

L

G

G

T

A

S

T

V

H

G

E

G

A

K

K

-

D

-

L

E

E

T

L

L

L

T

S

S

A

-

G

-

I

-

R

-

I

-

V

H

Q

E

P

T

I

L

M

P

G

E

V

S

A

A

F

W

W

P

Q

T

D

Q

S

V

V

S

-

E

Q

T

I

E

K

S

A

R

E

K

E

V

V

E

T

L

V

T

R

F

F

E

E

K

E

G

G

E

Q

L

P

V

V

A

A

I

L

D

N

G

G

E

V

K

E

L

Y

A

A

-

D

P

P

V

V

R

E

A

L

I

L

Q

L

K

E

L

A

Q

N

A

R

I

I

A

G

Q

G

P

R

F

H

G

G

I

L

G

G

R

M

D

S

I

D

H

Q

V

I

G

E

D

N

T

R

I

I

G

E

I

A

K

K

G

S

R

R

V

G

G

I

F

Y

E

E

A

A

A

P

G

G

P

L

I

A

L

L

I

L

I

F

K

I

A

A

H

Y

H

E

T

R

L

L

E

V

K

T

H

G

T

I

L

H

T

N

K

E

W

D

Q

T

L

I

S

E

W

Q

K

Y

E

R

Q

E

L

N

S

G

S

R

F

K

Y

L

G

G

N

R

W

L

L

L

H

Y

E

Q

G

G

Q

R

F

W

H

F

D

D

P

P

active site: D22 (= D13), R106 (= R95), D135 (= D124), S191 (= S174)
binding adenosine monophosphate: A16 (= A7), T41 (≠ I33), A42 (≠ V34), D193 (≠ N176)

P0A6E4 Argininosuccinate synthase; Citrulline--aspartate ligase; EC 6.3.4.5 from Escherichia coli (strain K12) (see 4 papers)
27% identity, 71% coverage: 2:282/395 of query aligns to 12:307/447 of P0A6E4

query
sites
P0A6E4

K

Q

K

R

V

I

V

G

L

I

A
|
A

F
|
F

S
|
S

G
|
G

L
|
L

D
|
D

T
|
T

S
|
S

F

A

C

A

C

L

I

L

Y

W

L

M

A

R

Q

Q

D

-

R

K

G

G

L

A

E

V

V

P

H

Y

S

A

V

Y

I

T

V
x
A

N

N

T

L

G

G

G

Q

F

P

S

D

D

E

E

E

E

D

L

Y

Q

D

E

A

I

I

E

P

K

R

R

R

A

A

Y

M

A

E

L

Y

G

G

V

A

K

E

S

N

H

A

A

R

V

L

V

I

D

D

-

C

E

R

T

K

E

Q

S

L

Y

V

Y

A

E

E

G

G

-

I

-

A

C

A

I

I

K

Q

Y

C

L

G

V

A

F

F

G

H

N

N

V

T

L

T

K

G

N

G

A

L

T

T

Y
|
Y

P

F

L

N

S

T

V

T

S

P

A

L

E

G

R

R

V

A

S

V

Q

T

A

G

T

T

A

M

I

L

A

V

N

A

Y

A

V

M

K

K

K

E

I

D

G

G

A

V

D

N

Y

I

V

W

A

G

H

D

G
|
G

S

S

T
|
T

G

Y

A

K

G

G

N
|
N

D
|
D

Q

I

V

E

R
|
R

F

F

D

Y

M

R

I

Y

F

G

N

L

I

L

L

T

I

N

P

A

E

E

V

L

E

Q

I

I

I

Y

T

K

P

P

I

W

R

L

D

D

L

T

K

D

L

F

-

I

-

D

-

E

-

L

-

G

S

G

R

R

E

H

A

E

E

M

I

S

E

E

Y

F

L

M

A

I

Q

A

H

C

G

G

V

F

E

D

Y

Y

-

K

-

M

S

S

A

V

E

E

K

K

A

A

R

-

Y

Y

S
|
S

I

T

N
x
D

K

S

G

N

L

M

W

L

G

G

T

A

S
x
T

V

H

G
x
E

G

A

K

K

-

D

-

L

E

E

T

Y

L

L

T

N

S

S

-

S

-

V

-

K

-

I

-

V

H

N

E

P

T

I

L

M

P

G

E

V

S

K

A

F

W

W

P

D

T

E

Q

S

V

V

S

-

E

K

T

I

E

P

S

A

R

E

K

E

V

V

E

T

L

V

T

R

F

F

E

E

K

Q

G

G

E

H

L

P

V

V

A

A

I

L

D

N

G

G

E

K

K

T

L

F

A

S

-

D

P

D

V

V

R

E

A

M

I

M

Q

L

K

E

L

A

Q

N

A

R

I

I

A

G

Q

G

P

R

F

H

G

G

I

L

G

G

R

M

D

S

I

D

H

Q

V

I

G
x
E

D

N

T

R

I

I

G

E

I

A

K

K

G

S

R

R

V

G

G

I

F

Y

E

E

A

A

A

P

G

G

P

M

I

A

L

L

I

L

I

H

K

I

A

A

H

Y

H

E

T

R

L

L

17:25 (vs. 7:15, 100% identical) binding
A43 (≠ V34) binding
Y99 (= Y87) binding
G129 (= G117) binding
T131 (= T119) binding ; binding
N135 (= N123) binding ; binding
D136 (= D124) binding ; binding
R139 (= R127) binding
S192 (= S174) binding
D194 (≠ N176) binding
T201 (≠ S183) binding
E203 (≠ G185) binding
E280 (≠ G255) binding

Sites not aligning to the query:

1 modified: Initiator methionine, Removed

1k97A Crystal structure of e. Coli argininosuccinate synthetase in complex with aspartate and citrulline (see paper)
27% identity, 71% coverage: 2:282/395 of query aligns to 11:306/432 of 1k97A

query
sites
1k97A

K

Q

K

R

V

I

V

G

L

I

A

A

F

F

S

S

G

G

L

L

D
|
D

T

T

S

S

F

A

C

A

C

L

I

L

Y

W

L

M

A

R

Q

Q

D

-

R

K

G

G

L

A

E

V

V

P

H

Y

S

A

V

Y

I

T

V

A

N

N

T

L

G

G

G

Q

F

P

S

D

D

E

E

E

E

D

L

Y

Q

D

E

A

I

I

E

P

K

R

R

R

A

A

Y

M

A

E

L

Y

G

G

V

A

K

E

S

N

H

A

A

R

V

L

V

I

D

D

-

C

E

R

T

K

E

Q

S

L

Y

V

Y

A

E

E

G

G

-

I

-

A

C

A

I

I

K

Q

Y

C

L

G

V

A

F

F

G

H

N

N

V

T

L

T

K

G

N

G

A

L

T

T

Y
|
Y

P

F

L

N

S

T

V
x
T

S
x
P

A

L

E

G

R
|
R

V

A

S

V

Q

T

A

G

T

T

A

M

I

L

A

V

N

A

Y

A

V

M

K

K

K

E

I

D

G

G

A

V

D

N

Y

I

V

W

A

G

H

D

G

G

S
|
S

T
|
T

G

Y

A

K

G
|
G

N
|
N

D
|
D

Q

I

V

E

R
|
R

F

F

D

Y

M

R

I

Y

F

G

N

L

I

L

L

T

I

N

P

A

E

E

V

L

E

Q

I

I

I

Y

T

K

P

P

I

W

R

L

D

D

L

T

K

D

L

F

-

I

-

D

-

E

-

L

-

G

S

G

R

R

E

H

A

E

E

M

I

S

E

E

Y

F

L

M

A

I

Q

A

H

C

G

G

V

F

E

D

Y

Y

-

K

-

M

S

S

A

V

E

E

K

K

A

A

R

-

Y

Y

S
|
S

I
x
T

N
x
D

K

S

G

N

L

M

W

L

G

G

T

A

S
x
T

V

H

G
x
E

G

A

K

K

-

D

-

L

E

E

T

Y

L

L

T

N

S

S

-

S

-

V

-

K

-

I

-

V

H

N

E

P

T

I

L

M

P

G

E

V

S

K

A

F

W

W

P

D

T

E

Q

S

V

V

S

-

E

K

T

I

E

P

S

A

R

E

K

E

V

V

E

T

L

V

T

R

F

F

E

E

K

Q

G

G

E

H

L

P

V

V

A

A

I

L

D

N

G

G

E

K

K

T

L

F

A

S

-

D

P

D

V

V

R

E

A

M

I

M

Q

L

K

E

L

A

Q

N

A

R

I

I

A

G

Q

G

P

R

F

H

G

G

I

L

G

G

R

M

D

S

I

D

H

Q

V

I

G
x
E

D

N

T

R

I

I

G

E

I

A

K

K

G

S

R

R

V

G

G

I

F
x
Y

E

E

A

A

A

P

G

G

P

M

I

A

L

L

I

L

I

H

K

I

A

A

H

Y

H

E

T

R

L

L

active site: D22 (= D13), R106 (= R95), D135 (= D124), S191 (= S174)
binding aspartic acid: S129 (= S118), T130 (= T119), G133 (= G122), N134 (= N123), D135 (= D124)
binding citrulline: Y98 (= Y87), T102 (≠ V91), P103 (≠ S92), R138 (= R127), S191 (= S174), T192 (≠ I175), D193 (≠ N176), T200 (≠ S183), E202 (≠ G185), E279 (≠ G255), Y291 (≠ F267)

Sites not aligning to the query:

binding citrulline: 331

1kp3A Crystal structure of e. Coli argininosuccinate synthetase in complex with atp and citrulline (see paper)
27% identity, 71% coverage: 2:282/395 of query aligns to 11:306/439 of 1kp3A

query
sites
1kp3A

K

Q

K

R

V

I

V

G

L

I

A
|
A

F

F

S
|
S

G

G

G
|
G

L

L

D
|
D

T
|
T

S

S

F

A

C

A

C

L

I

L

Y

W

L

M

A

R

Q

Q

D

-

R

K

G

G

L

A

E

V

V

P

H

Y

S

A

V

Y

I
x
T

V
x
A

N

N

T

L

G

G

G

Q

F

P

S

D

D

E

E

E

E

D

L

Y

Q

D

E

A

I

I

E

P

K

R

R

R

A

A

Y

M

A

E

L

Y

G

G

V

A

K

E

S

N

H

A

A

R

V

L

V

I

D

D

-

C

E

R

T

K

E

Q

S

L

Y

V

Y

A

E

E

G

G

-

I

-

A

C

A

I

I

K

Q

Y

C

L

G

V

A

F

F

G

H

N

N

V

T

L

T

K

G

N

G

A

L

T

T

Y
|
Y

P

F

L

N

S

T

V
x
T

S
x
P

A

L

E

G

R
|
R

V

A

S

V

Q

T

A

G

T

T

A

M

I

L

A

V

N

A

Y

A

V

M

K

K

K

E

I

D

G

G

A

V

D

N

Y

I

V

W

A

G

H
x
D

G
|
G

S
|
S

T
|
T

G

Y

A

K

G
|
G

N
|
N

D
|
D

Q

I

V

E

R
|
R

F
|
F

D

Y

M

R

I

Y

F

G

N

L

I

L

L

T

I

N

P

A

E

E

V

L

E

Q

I

I

I

Y

T

K

P

P

I

W

R

L

D

D

L

T

K

D

L

F

-

I

-

D

-

E

-

L

-

G

S

G

R

R

E

H

A

E

E

M

I

S

E

E

Y

F

L

M

A

I

Q

A

H

C

G

G

V

F

E

D

Y

Y

-

K

-

M

S

S

A

V

E

E

K

K

A

A

R

-

Y

Y

S
|
S

I

T

N
x
D

K

S

G

N

L

M

W

L

G

G

T

A

S
x
T

V

H

G
x
E

G

A

K

K

-

D

-

L

E

E

T

Y

L

L

T

N

S

S

-

S

-

V

-

K

-

I

-

V

H

N

E

P

T

I

L

M

P

G

E

V

S

K

A

F

W

W

P

D

T

E

Q

S

V

V

S

-

E

K

T

I

E

P

S

A

R

E

K

E

V

V

E

T

L

V

T

R

F

F

E

E

K

Q

G

G

E

H

L

P

V

V

A

A

I

L

D

N

G

G

E

K

K

T

L

F

A

S

-

D

P

D

V

V

R

E

A

M

I

M

Q

L

K

E

L

A

Q

N

A

R

I

I

A

G

Q

G

P

R

F

H

G

G

I

L

G

G

R

M

D

S

I

D

H

Q

V

I

G
x
E

D

N

T

R

I

I

G

E

I

A

K

K

G
x
S

R

R

V

G

G

I

F
x
Y

E

E

A

A

A

P

G

G

P

M

I

A

L

L

I

L

I

H

K

I

A

A

H

Y

H

E

T

R

L

L

active site: D22 (= D13), R106 (= R95), D135 (= D124), S191 (= S174)
binding adenosine-5'-triphosphate: A16 (= A7), S18 (= S9), G20 (= G11), D22 (= D13), T23 (= T14), T41 (≠ I33), A42 (≠ V34), D127 (≠ H116), G128 (= G117), S129 (= S118), F139 (= F128), D193 (≠ N176)
binding citrulline: Y98 (= Y87), T102 (≠ V91), P103 (≠ S92), T130 (= T119), G133 (= G122), N134 (= N123), D135 (= D124), R138 (= R127), D193 (≠ N176), T200 (≠ S183), E202 (≠ G185), E202 (≠ G185), E279 (≠ G255), S287 (≠ G263), Y291 (≠ F267)

Query Sequence

>CA265_RS18545 FitnessBrowser__Pedo557:CA265_RS18545
MKKVVLAFSGGLDTSFCCIYLAQDRGLEVHSVIVNTGGFSDEELQEIEKRAYALGVKSHA
VVDETESYYEGCIKYLVFGNVLKNATYPLSVSAERVSQATAIANYVKKIGADYVAHGSTG
AGNDQVRFDMIFNILIPEVEIITPIRDLKLSREAEIEYLAQHGVEYSAEKARYSINKGLW
GTSVGGKETLTSHETLPESAWPTQVSETESRKVELTFEKGELVAIDGEKLAPVRAIQKLQ
AIAQPFGIGRDIHVGDTIIGIKGRVGFEAAGPILIIKAHHTLEKHTLTKWQLSWKEQLSS
FYGNWLHEGQFHDPIMRNIEAFLADTQKFVSGKVFVELLPYRFQIIGIESNHDLMSNKFG
SYGEMNNAWSGEDVKGFSKIFGNQVMIWHKVNNEA

Or try a new SitesBLAST search

SitesBLAST's Database

SitesBLAST's database includes (1) SwissProt entries with experimentally-supported functional features; and (2) protein structures with bound ligands, from the BioLip database.

by Morgan Price, Arkin group
Lawrence Berkeley National Laboratory