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4YML

Crystal structure of Escherichia coli 5'-methylthioadenosine/S-adenosyl homocysteine nucleosidase (MTAN) complexed with (3S,4R)-methylthio-DADMe-Immucillin-A

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0008652biological_processamino acid biosynthetic process
A0008782molecular_functionadenosylhomocysteine nucleosidase activity
A0008930molecular_functionmethylthioadenosine nucleosidase activity
A0009086biological_processmethionine biosynthetic process
A0009116biological_processnucleoside metabolic process
A0009164biological_processnucleoside catabolic process
A0016787molecular_functionhydrolase activity
A0019284biological_processL-methionine salvage from S-adenosylmethionine
A0019509biological_processL-methionine salvage from methylthioadenosine
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
A0046124biological_processpurine deoxyribonucleoside catabolic process
A0110052biological_processtoxic metabolite repair
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue 4F0 A 301
ChainResidue
AGLU12
AMET173
AGLU174
ASER196
AASP197
AILE50
ASER76
AALA77
AGLY78
AALA150
APHE151
AILE152
AGLU172

site_idAC2
Number of Residues8
Detailsbinding site for residue PO4 A 302
ChainResidue
AMET1
AGLY154
ASER155
ALEU158
AASP200
AGLN201
AHOH410
AHOH416

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_01684","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"16109423","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01684","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"16109423","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01684","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11591349","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01684","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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