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1XPG

Crystal Structure of T. maritima Cobalamin-Independent Methionine Synthase complexed with Zn2+ and Methyltetrahydrofolate

Functional Information from GO Data
ChainGOidnamespacecontents
A0003871molecular_function5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase activity
A0008168molecular_functionmethyltransferase activity
A0008270molecular_functionzinc ion binding
A0008652biological_processamino acid biosynthetic process
A0009086biological_processmethionine biosynthetic process
A0016740molecular_functiontransferase activity
A0032259biological_processmethylation
A0046872molecular_functionmetal ion binding
A0071266biological_process'de novo' L-methionine biosynthetic process
B0003871molecular_function5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase activity
B0008168molecular_functionmethyltransferase activity
B0008270molecular_functionzinc ion binding
B0008652biological_processamino acid biosynthetic process
B0009086biological_processmethionine biosynthetic process
B0016740molecular_functiontransferase activity
B0032259biological_processmethylation
B0046872molecular_functionmetal ion binding
B0071266biological_process'de novo' L-methionine biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 1884
ChainResidue
AARG85
ATYR388
AARG391
AGLU635
ALYS662

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 1886
ChainResidue
AARG95
ATYR490
AARG493

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1887
ChainResidue
ACYS620
AGLU642
ACYS704
AHIS618

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 1885
ChainResidue
BARG85
BTYR388
BARG391
BGLU635
BLYS662

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 1888
ChainResidue
BHIS618
BCYS620
BGLU642
BCYS704

site_idAC6
Number of Residues11
DetailsBINDING SITE FOR RESIDUE C2F A 1882
ChainResidue
ALYS18
ALYS104
AASN109
ASER489
AARG493
ACYS494
ATRP539
AGLU583
AHOH828
AHOH829
AHOH996

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MRY B 1889
ChainResidue
BPHE106
BLEU156
BCYS205
BILE587
BHOH899
BHOH901

site_idAC8
Number of Residues12
DetailsBINDING SITE FOR RESIDUE C2F B 1883
ChainResidue
BARG15
BLYS18
BLYS104
BTHR466
BSER489
BSER492
BARG493
BCYS494
BTRP539
BGLU583
BHOH759
BHOH991

site_idAC9
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MRY A 1890
ChainResidue
ALYS104
APHE106
ALEU156
ACYS205
AILE587
AHOH791
AHOH938

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"P82610","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15630480","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1XPG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XR2","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P82610","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15630480","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1XR2","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15630480","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18296644","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1XDJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XPG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BQ5","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BQ6","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15630480","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18296644","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1XDJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XPG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BQ6","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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