SitesBLAST
Comparing 2629598296 IMG__TrieryIMS101_FD:2629598296 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)
8g3hA Structure of cobalamin-dependent methionine synthase (meth) in a resting state (see paper)
49% identity, 71% coverage: 19:882/1224 of query aligns to 6:839/841 of 8g3hA
- binding cobalamin: Q328 (= Q358), T330 (≠ N360), S331 (= S361), F675 (= F711), V685 (= V721), K693 (= K729), G720 (= G761), V722 (= V763), H723 (= H764), D724 (= D765), I725 (= I766), G726 (= G767), V730 (= V771), M767 (= M808), S768 (= S809), L770 (= L811), V772 (= V813), I795 (= I836), L796 (= L837), G797 (= G838), G798 (= G839), A799 (= A840), Y818 (= Y861), A819 (≠ G862), E820 (≠ K863), D821 (= D864)
P13009 Methionine synthase; 5-methyltetrahydrofolate--homocysteine methyltransferase; Methionine synthase, vitamin-B12-dependent; MS; EC 2.1.1.13 from Escherichia coli (strain K12) (see 5 papers)
31% identity, 99% coverage: 18:1223/1224 of query aligns to 9:1191/1227 of P13009
- C247 (= C238) binding Zn(2+)
- C310 (= C304) binding Zn(2+); mutation C->A,S: Loss of zinc binding. Loss of catalytic activity.
- C311 (= C305) binding Zn(2+); mutation C->A,S: Loss of zinc binding. Loss of catalytic activity.
- E694 (≠ N697) binding methylcob(III)alamin
- GDVHD 756:760 (= GDVHD 761:765) binding methylcob(III)alamin
- D757 (= D762) mutation to E: Decreases activity by about 70%.; mutation to N: Decreases activity by about 45%.
- H759 (= H764) binding axial binding residue; mutation to G: Loss of catalytic activity.
- S804 (= S809) binding methylcob(III)alamin
- T808 (≠ V813) binding methylcob(III)alamin
- S810 (= S815) mutation to A: Decreases activity by about 40%.
- A860 (= A865) binding methylcob(III)alamin
- D946 (= D976) binding S-adenosyl-L-methionine
- R1134 (= R1167) binding S-adenosyl-L-methionine
- YY 1189:1190 (≠ YF 1221:1222) binding S-adenosyl-L-methionine
Sites not aligning to the query:
- 1 modified: Initiator methionine, Removed
Q99707 Methionine synthase; MS; 5-methyltetrahydrofolate--homocysteine methyltransferase; Cobalamin-dependent methionine synthase; Vitamin-B12 dependent methionine synthase; EC 2.1.1.13 from Homo sapiens (Human) (see 6 papers)
31% identity, 98% coverage: 24:1223/1224 of query aligns to 28:1229/1265 of Q99707
- R61 (vs. gap) natural variant: R -> K
- C255 (≠ D232) to Y: in dbSNP:rs1140598
- GSR 382:384 (≠ GSK 373:375) binding (6S)-5,6,7,8-tetrahydrofolate
- D449 (= D437) binding (6S)-5,6,7,8-tetrahydrofolate
- N470 (= N458) binding (6S)-5,6,7,8-tetrahydrofolate
- D537 (= D524) binding (6S)-5,6,7,8-tetrahydrofolate
- N579 (= N566) binding (6S)-5,6,7,8-tetrahydrofolate
- R585 (≠ S572) binding (6S)-5,6,7,8-tetrahydrofolate
- R591 (= R576) binding (6S)-5,6,7,8-tetrahydrofolate
- D919 (≠ R900) to G: in dbSNP:rs1805087
- D963 (= D965) mutation to E: Decreases binding to MTRR; when associated with N-1071.
- K1071 (≠ R1073) mutation to N: Decreases binding to MTRR; when associated with E-963.
8sseA Methionine synthase, c-terminal fragment, cobalamin and reactivation domains from thermus thermophilus hb8 (see paper)
41% identity, 46% coverage: 661:1223/1224 of query aligns to 1:505/507 of 8sseA
- binding cobalamin: H97 (= H764), G100 (= G767), V104 (= V771), S142 (= S809), L145 (= L812), V146 (= V813), I169 (= I836), G171 (= G838), G172 (= G839), A173 (= A840), H405 (= H1123), V409 (= V1127), S451 (= S1169), F452 (= F1170), G453 (= G1171), Y454 (= Y1172), Q463 (= Q1181), L485 (= L1203), E488 (= E1206), A490 (≠ T1208), S492 (≠ T1210)
4cczA Crystal structure of human 5-methyltetrahydrofolate-homocysteine methyltransferase, the homocysteine and folate binding domains
34% identity, 49% coverage: 24:622/1224 of query aligns to 12:597/611 of 4cczA
- binding (6s)-5,6,7,8-tetrahydrofolate: E336 (= E367), G342 (= G373), R344 (≠ K375), N430 (= N458), M458 (≠ G486), D497 (= D524), G536 (= G563), S538 (= S565), N539 (= N566), F542 (= F569), R545 (≠ S572), R551 (= R576)
5vooA Methionine synthase folate-binding domain with methyltetrahydrofolate from thermus thermophilus hb8 (see paper)
49% identity, 23% coverage: 361:643/1224 of query aligns to 1:279/282 of 5vooA