SitesBLAST
Comparing WP_018123594.1 NCBI__GCF_000375485.1:WP_018123594.1 to proteins with known functional sites using BLASTp with E ≤ 0.001.
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Found 20 (the maximum) hits to proteins with known functional sites (download)
Q9JZG1 2-isopropylmalate synthase; Alpha-IPM synthase; Alpha-isopropylmalate synthase; EC 2.3.3.13 from Neisseria meningitidis serogroup B (strain MC58) (see 2 papers)
29% identity, 84% coverage: 2:447/533 of query aligns to 5:439/517 of Q9JZG1
- D16 (= D13) binding Mn(2+)
- H204 (= H206) binding Mn(2+)
- H206 (= H208) binding Mn(2+)
- N240 (= N242) binding Mn(2+)
Sites not aligning to the query:
- 366:517 Required for the condensation reaction. Not required to bind substrate
6ktqA Crystal structure of catalytic domain of homocitrate synthase from sulfolobus acidocaldarius (sahcs(dram)) in complex with alpha- ketoglutarate/zn2+/coa (see paper)
29% identity, 68% coverage: 3:365/533 of query aligns to 21:370/399 of 6ktqA
- binding 2-oxoglutaric acid: R30 (= R12), R154 (≠ F141), T156 (≠ D143), E158 (= E145), S184 (≠ V174), T188 (= T178), H216 (= H206), H218 (= H208)
- binding coenzyme a: V67 (≠ S49), R96 (≠ K80), A97 (= A81), F116 (= F103), H128 (≠ L115), E158 (= E145)
- binding zinc ion: E31 (≠ D13), H216 (= H206), H218 (= H208)
Q9FG67 Methylthioalkylmalate synthase 1, chloroplastic; 2-isopropylmalate synthase 3; EC 2.3.3.17 from Arabidopsis thaliana (Mouse-ear cress) (see paper)
29% identity, 72% coverage: 4:388/533 of query aligns to 85:485/506 of Q9FG67
- S102 (≠ N21) mutation to F: In gsm1-1; loss of conversion of C3 to C4 glucosinolates.
- A290 (≠ G204) mutation to T: In gsm1-2; loss of conversion of C3 to C4 glucosinolates.
6e1jA Crystal structure of methylthioalkylmalate synthase (bjumam1.1) from brassica juncea (see paper)
28% identity, 67% coverage: 4:360/533 of query aligns to 18:384/409 of 6e1jA
- binding coenzyme a: Q30 (= Q16), F60 (≠ W46), S63 (= S49), I95 (≠ F73), R97 (≠ S75), F121 (= F103), K132 (≠ A114), L133 (= L115), S322 (≠ G300), G323 (= G301), I324 (≠ V302), D327 (≠ S305), K331 (= K309), L359 (= L333), R362 (= R336), H363 (≠ S337)
- binding 4-(methylsulfanyl)-2-oxobutanoic acid: P192 (≠ C176), T194 (= T178), H225 (= H206), H227 (= H208)
- binding manganese (ii) ion: D27 (= D13), V82 (≠ I60), E84 (= E62), H225 (= H206), H227 (= H208)
O87198 Homocitrate synthase; HCS; EC 2.3.3.14 from Thermus thermophilus (strain ATCC BAA-163 / DSM 7039 / HB27) (see paper)
30% identity, 68% coverage: 1:365/533 of query aligns to 1:353/376 of O87198
- R12 (= R12) binding 2-oxoglutarate
- E13 (≠ D13) binding Mg(2+)
- H72 (≠ A72) binding 2-oxoglutarate; mutation to L: Significant decrease in sensitivity to lysine inhibition. Large decrease in affinity for 2-oxoglutarate. Almost no effect on affinity for acetyl-CoA and on turnover number.
- D92 (≠ F100) binding L-lysine
- R133 (≠ F141) binding 2-oxoglutarate
- S135 (≠ D143) binding L-lysine
- T166 (= T178) binding 2-oxoglutarate; binding L-lysine
- H195 (= H206) binding Mg(2+)
- H197 (= H208) binding Mg(2+)
3rmjB Crystal structure of truncated alpha-isopropylmalate synthase from neisseria meningitidis (see paper)
30% identity, 56% coverage: 2:299/533 of query aligns to 2:295/308 of 3rmjB
Q9FN52 Methylthioalkylmalate synthase 3, chloroplastic; 2-isopropylmalate synthase 2; Methylthioalkylmalate synthase-like; EC 2.3.3.17 from Arabidopsis thaliana (Mouse-ear cress) (see paper)
28% identity, 65% coverage: 4:350/533 of query aligns to 85:443/503 of Q9FN52
- G263 (= G180) mutation to E: In gsm2-1; loss of activity and lack of C6, C7 and C8 aliphatic glucosinolates.
2zyfA Crystal structure of homocitrate synthase from thermus thermophilus complexed with magnesuim ion and alpha-ketoglutarate (see paper)
29% identity, 62% coverage: 1:331/533 of query aligns to 1:314/314 of 2zyfA
2ztjA Crystal structure of homocitrate synthase from thermus thermophilus complexed with alpha-ketoglutarate (see paper)
29% identity, 62% coverage: 1:331/533 of query aligns to 1:312/312 of 2ztjA
3a9iA Crystal structure of homocitrate synthase from thermus thermophilus complexed with lys (see paper)
30% identity, 68% coverage: 6:365/533 of query aligns to 5:342/347 of 3a9iA
4ov9A Structure of isopropylmalate synthase binding with alpha- isopropylmalate (see paper)
28% identity, 64% coverage: 4:346/533 of query aligns to 4:338/380 of 4ov9A
4ov4A Isopropylmalate synthase binding with ketoisovalerate (see paper)
28% identity, 64% coverage: 4:346/533 of query aligns to 4:336/379 of 4ov4A
Q8F3Q1 (R)-citramalate synthase CimA; LiCMS; EC 2.3.3.21 from Leptospira interrogans serogroup Icterohaemorrhagiae serovar Lai (strain 56601) (see 2 papers)
25% identity, 71% coverage: 3:380/533 of query aligns to 7:384/516 of Q8F3Q1
- R16 (= R12) mutation R->K,Q: Loss of activity.
- RD 16:17 (= RD 12:13) binding pyruvate
- D17 (= D13) mutation to A: 34-fold increase in Km for pyruvate and 315-fold decrease in kcat.; mutation to N: 4.4-fold increase in Km for pyruvate and 480-fold decrease in kcat.
- L81 (≠ K80) mutation to A: 4.7-fold increase in Km for pyruvate and 15.7-fold decrease in kcat.; mutation to V: 3.3-fold increase in Km for pyruvate and 10.1-fold decrease in kcat.
- F83 (≠ D82) mutation to A: 5-fold increase in Km for acetyl-CoA and 120-fold decrease in kcat.
- L104 (≠ F103) mutation to V: 1.8-fold increase in Km for pyruvate and 3.4-fold decrease in kcat.
- Y144 (≠ D143) binding pyruvate; mutation to L: 259-fold increase in Km for pyruvate and 76-fold decrease in kcat.; mutation to V: 114-fold increase in Km for pyruvate and 5.3-fold decrease in kcat.
- E146 (= E145) mutation E->D,Q: Minor effects on the binding of acetyl-CoA, but causes a strong decrease in kcat.
- T179 (= T178) binding pyruvate; mutation to A: 16.4-fold increase in Km for pyruvate and 186-fold decrease in kcat.
- H302 (= H303) mutation H->A,N: Loss of activity.
- D304 (≠ S305) mutation to A: 5.2-fold increase in Km for acetyl-CoA and 16.6-fold decrease in kcat.
- N310 (≠ S311) mutation to A: 2.2-fold increase in Km for acetyl-CoA and 1.7-fold decrease in kcat.
- L311 (≠ R312) mutation to A: 8-fold increase in Km for acetyl-CoA and 6-fold decrease in kcat.
- Y312 (≠ T313) mutation to A: Loss of activity.
Sites not aligning to the query:
- 430 Y→L: No change in Km for acetyl-CoA and 2.3-fold decrease in kcat. Severely impairs inhibition by isoleucine.
- 431 D→A: 1.8-fold decrease in Km for acetyl-CoA and 5-fold decrease in kcat.
- 451 L→V: 1.5-fold increase in Km for acetyl-CoA and 4.3 decrease in kcat.
- 454 Y→A: 1.4 decrease in Km for acetyl-CoA and 17-fold decrease in kcat. Still inhibited by isoleucine and weakly inhibited by leucine.
- 458 I→A: 1.3-fold decrease in Km for acetyl-CoA and 14-fold decrease in kcat. Abolishes inhibition by isoleucine.
- 464 T→A: 1.8-fold decrease in Km for acetyl-CoA and 4.3-fold decrease in kcat.
- 468 V→A: No change in Km for acetyl-CoA and 2-fold decrease in kcat. Increases inhibition by isoleucine and leucine becomes an effective inhibitor.
- 493 P→A: 1.5-fold decrease in Km for acetyl-CoA and 2.6-fold decrease in kcat.
- 495 Q→A: 1.6-fold decrease in Km for acetyl-CoA and 2.8-fold decrease in kcat.
3ivsA Homocitrate synthase lys4 (see paper)
25% identity, 69% coverage: 1:367/533 of query aligns to 9:348/364 of 3ivsA
3ivtB Homocitrate synthase lys4 bound to 2-og (see paper)
25% identity, 69% coverage: 1:367/533 of query aligns to 27:375/400 of 3ivtB
Q9Y823 Homocitrate synthase, mitochondrial; HCS; EC 2.3.3.14 from Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) (see 2 papers)
25% identity, 69% coverage: 1:367/533 of query aligns to 32:380/418 of Q9Y823
- R43 (= R12) binding 2-oxoglutarate; mutation R->A,K,Q: Abolishes the catalytic activity.
- E44 (≠ D13) binding 2-oxoglutarate; binding L-lysine; binding Zn(2+)
- Q47 (= Q16) mutation to A: Abolishes the catalytic activity.
- E74 (= E43) mutation to A: Abolishes the catalytic activity.; mutation to Q: Results in a moderate decrease in the turnover number and a slight increase in the Km value for each substrate.
- H103 (≠ A72) binding 2-oxoglutarate; mutation to A: Substantially impairs catalytic efficiency.
- D123 (≠ E98) binding L-lysine; mutation to N: Does not affect the catalytic activity but impairs L-lysine inhibition.
- R163 (≠ F141) binding 2-oxoglutarate; mutation R->A,Q: Abolishes the catalytic activity.; mutation to K: Severely diminishes affinity for 2-oxoglutarate and substantially impairs catalytic efficiency.
- S165 (≠ D143) binding 2-oxoglutarate; mutation to A: Results in a moderate decrease in catalytic efficiency.
- E167 (= E145) mutation E->A,Q: Abolishes the catalytic activity.
- T197 (= T178) binding 2-oxoglutarate; binding L-lysine; mutation to A: Exhibits a 25-fold decrease in catalytic efficiency.; mutation to S: Results in a modest decrease in catalytic efficiency.; mutation to V: Abolishes the catalytic activity.
- E222 (≠ G204) mutation to Q: Does not affect the catalytic activity but impairs L-lysine inhibition.
- H224 (= H206) binding 2-oxoglutarate; binding Zn(2+)
- H226 (= H208) binding 2-oxoglutarate; binding Zn(2+)
- R288 (≠ T270) mutation to K: Does not affect the catalytic activity but impairs L-lysine inhibition.
- Y332 (= Y314) mutation to A: Abolishes the catalytic activity.; mutation to F: Results in a decrease in catalytic efficiency.
- Q364 (= Q345) mutation to R: Does not affect the catalytic activity but impairs L-lysine inhibition.
3mi3A Homocitrate synthase lys4 bound to lysine (see paper)
25% identity, 69% coverage: 1:367/533 of query aligns to 9:346/370 of 3mi3A
3bliA Crystal structure of the catalytic domain of licms in complexed with pyruvate and acetyl-coa (see paper)
26% identity, 57% coverage: 3:306/533 of query aligns to 1:299/311 of 3bliA
Q53WI0 4-hydroxy-2-oxovalerate aldolase; HOA; 4-hydroxy-2-keto-pentanoic acid aldolase; 4-hydroxy-2-oxohexanoate aldolase; 4-hydroxy-2-oxopentanoate aldolase; EC 4.1.3.39; EC 4.1.3.43 from Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) (see paper)
27% identity, 53% coverage: 6:285/533 of query aligns to 13:278/347 of Q53WI0
Sites not aligning to the query:
- 324 A→G: Increases the channeling efficiency of propanaldehyde from 57% to 94%.
P35914 Hydroxymethylglutaryl-CoA lyase, mitochondrial; HL; HMG-CoA lyase; 3-hydroxy-3-methylglutarate-CoA lyase; EC 4.1.3.4 from Homo sapiens (Human) (see 11 papers)
24% identity, 53% coverage: 2:281/533 of query aligns to 31:311/325 of P35914
- E37 (≠ D8) to K: in HMGCLD; activity lower than 5% respect to the wild-type; mutation to D: Normal activity.
- R41 (= R12) to Q: in HMGCLD; loss of activity and of proton exchange; dbSNP:rs121964997; mutation to M: Reduced activity, and loss of proton exchange.
- D42 (= D13) to E: in HMGCLD; reduced activity; to G: in HMGCLD; loss of activity; dbSNP:rs1467902610; to H: in HMGCLD; loss of activity; mutation D->A,N: Loss of activity, and reduced proton exchange rate.
- K48 (≠ E19) to N: in HMGCLD; abolishes almost all enzymatic activity
- E72 (= E43) mutation to A: Loss of activity, and reduced affinity for metal cofactor and substrate.
- S142 (≠ D118) to F: in HMGCLD; activity lower than 5% respect to the wild-type
- C174 (≠ F147) to Y: in HMGCLD; activity lower than 5% respect to the wild-type; dbSNP:rs765475941
- F192 (≠ A165) to S: in HMGCLD; activity lower than 5% respect to the wild-type
- I200 (≠ L173) to F: in HMGCLD; activity lower than 5% respect to the wild-type
- G203 (≠ C176) to E: in HMGCLD; complete loss of activity; dbSNP:rs1553131940
- D204 (= D177) mutation to A: Reduced activity, and reduced affinity for metal cofactor and substrate.
- H233 (= H206) to R: in HMGCLD; loss of activity; dbSNP:rs727503963; mutation to A: Loss of activity, and reduced proton exchange rate.
- E279 (vs. gap) mutation to A: Reduced thermal stability, but normal activity.
- D280 (≠ E253) mutation to A: Normal activity.
Sites not aligning to the query:
- 323 modified: Interchain; C→S: Abolishes interchain homodimerization. Exhibits no DTT stimulated activity.
Query Sequence
>WP_018123594.1 NCBI__GCF_000375485.1:WP_018123594.1
MHRIAIYDTTLRDGTQAEELNLTTKDKVRIAAKLDELGVHYIEGGWPGSNPTDKQFFDEI
AEHTFKNASIAAFGSTFNPKADPDSDPIFQSLLTCGAEVFTIFGKTWDLHATLALNIDTE
RNIEIIRQSVAHLRPHAREVFFDAEHFFDGFRANPEFALSCLEAAHEAGADVLVLCDTNG
GSLPYQIAEGVNAVRTRIPNAAVGIHAHNDGELAVANSLEAIRHGAVHVQGTMNGYGERC
GNANLCSIIPNLELKLGMESIGAENMSRLTEVSHYISEIANLRPFMRQPFVGASAFAHKG
GVHVSAVRKDSRTYEHIKPTDVGNMQRVLLSDLAGRSNLLHKAEQFGHPLEKGDPRLDQL
VRELKLRESEGFEYSVAEASFELMFHKIVSGRHFNYFKFRNFFVVDAKREEDAEPFSEAT
VMVHVGDQEEHTAATGMGPVNALDRALRKALERFYPSLADVRLLDFKVRVLSGAVRDTGG
TASFVRVLVESGDSHERWTTVGVSHNIIEASWQAVVDSYNYKLFREDMRKIGK
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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