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3BUL

E. coli I690C/G743C MetH C-terminal fragment (649-1227)

Functional Information from GO Data
ChainGOidnamespacecontents
A0008705molecular_functionmethionine synthase activity
A0009086biological_processmethionine biosynthetic process
A0031419molecular_functioncobalamin binding
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues33
DetailsBINDING SITE FOR RESIDUE B12 A 1301
ChainResidue
AHIS759
ALEU831
AGLY833
AGLY834
AALA835
ATHR836
AGLN858
AASN859
AALA860
ATHR863
AMET952
AGLY802
AASP1093
AALA1136
APRO1137
AGLY1138
ATYR1139
AHIS1145
AALA1170
AMET1171
APRO1173
AGLY1174
ALEU803
ASER1176
ASER1178
AHOH1331
AHOH1342
ASER804
ALEU806
AILE807
ATHR808
AARG823
AGLN824

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues5
DetailsBINDING: BINDING => ECO:0000269|PubMed:7992050, ECO:0007744|PDB:1BMT
ChainResidueDetails
AGLU694
AGLY756
ASER804
ATHR808
AALA860

site_idSWS_FT_FI2
Number of Residues1
DetailsBINDING: axial binding residue => ECO:0000269|PubMed:7992050, ECO:0007744|PDB:1BMT
ChainResidueDetails
AHIS759

site_idSWS_FT_FI3
Number of Residues3
DetailsBINDING: BINDING => ECO:0000269|PubMed:8939751
ChainResidueDetails
AASP946
AARG1134
ATYR1189

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1bmt
ChainResidueDetails
ASER810
AASP757
AHIS759

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1bmt
ChainResidueDetails
ALEU770

site_idMCSA1
Number of Residues3
DetailsM-CSA 268
ChainResidueDetails
AASP757hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay
AHIS759hydrogen bond acceptor, hydrogen bond donor, increase electrophilicity, increase nucleophilicity, metal ligand, proton acceptor, proton donor
ASER810hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay

224004

PDB entries from 2024-08-21

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