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1A69

PURINE NUCLEOSIDE PHOSPHORYLASE IN COMPLEX WITH FORMYCIN B AND SULPHATE (PHOSPHATE)

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004731molecular_functionpurine-nucleoside phosphorylase activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006139biological_processnucleobase-containing compound metabolic process
A0006152biological_processpurine nucleoside catabolic process
A0006974biological_processDNA damage response
A0009116biological_processnucleoside metabolic process
A0009164biological_processnucleoside catabolic process
A0016020cellular_componentmembrane
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0016763molecular_functionpentosyltransferase activity
A0019686biological_processpurine nucleoside interconversion
A0042278biological_processpurine nucleoside metabolic process
A0042802molecular_functionidentical protein binding
A0047975molecular_functionguanosine phosphorylase activity
B0003824molecular_functioncatalytic activity
B0004731molecular_functionpurine-nucleoside phosphorylase activity
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006139biological_processnucleobase-containing compound metabolic process
B0006152biological_processpurine nucleoside catabolic process
B0006974biological_processDNA damage response
B0009116biological_processnucleoside metabolic process
B0009164biological_processnucleoside catabolic process
B0016020cellular_componentmembrane
B0016740molecular_functiontransferase activity
B0016757molecular_functionglycosyltransferase activity
B0016763molecular_functionpentosyltransferase activity
B0019686biological_processpurine nucleoside interconversion
B0042278biological_processpurine nucleoside metabolic process
B0042802molecular_functionidentical protein binding
B0047975molecular_functionguanosine phosphorylase activity
C0003824molecular_functioncatalytic activity
C0004731molecular_functionpurine-nucleoside phosphorylase activity
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006139biological_processnucleobase-containing compound metabolic process
C0006152biological_processpurine nucleoside catabolic process
C0006974biological_processDNA damage response
C0009116biological_processnucleoside metabolic process
C0009164biological_processnucleoside catabolic process
C0016020cellular_componentmembrane
C0016740molecular_functiontransferase activity
C0016757molecular_functionglycosyltransferase activity
C0016763molecular_functionpentosyltransferase activity
C0019686biological_processpurine nucleoside interconversion
C0042278biological_processpurine nucleoside metabolic process
C0042802molecular_functionidentical protein binding
C0047975molecular_functionguanosine phosphorylase activity
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 239
ChainResidue
APRO19
AGLY20
AARG24
AARG87
AGLY89
ASER90
AFMB240
CARG43

site_idAC2
Number of Residues16
DetailsBINDING SITE FOR RESIDUE FMB A 240
ChainResidue
AARG87
ASER90
ACYS91
AGLY92
APHE159
AVAL178
AGLU179
AMET180
AGLU181
ASER203
AASP204
ASO4239
AHOH264
AHOH265
AHOH268
CHIS4

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 239
ChainResidue
BGLY20
BARG24
BARG43
BARG87
BSER90
BFMB240

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR RESIDUE FMB B 240
ChainResidue
BHIS4
BMET64
BARG87
BSER90
BGLY92
BPHE159
BVAL178
BGLU179
BMET180
BGLU181
BASP204
BSO4239
BHOH364

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 C 239
ChainResidue
AARG43
CGLY20
CARG87
CGLY89
CSER90
CFMB240
CHOH265

site_idAC6
Number of Residues14
DetailsBINDING SITE FOR RESIDUE FMB C 240
ChainResidue
AHIS4
CARG87
CSER90
CCYS91
CGLY92
CPHE159
CVAL178
CGLU179
CMET180
CGLU181
CSER203
CASP204
CSO4239
CHOH268

site_idAVE
Number of Residues10
DetailsBINDING SITE OF FORMYCIN B AND PHOSPHATE.
ChainResidue
AARG24
AHIS4
ASER90
AARG217
AASP204
AGLY20
AARG87
AARG43
AGLU181
AMET180

Functional Information from PROSITE/UniProt
site_idPS01232
Number of Residues16
DetailsPNP_UDP_1 Purine and other phosphorylases family 1 signature. GhGMGiPScSIytkEL
ChainResidueDetails
AGLY61-LEU76

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues15
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"11786017","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21672603","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1K9S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3ONV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OPV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11786017","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21672603","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1K9S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3ONV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OPV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues9
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21672603","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
Detailsa catalytic site defined by CSA, PubMed 11786017
ChainResidueDetails
AASP204
AARG217

site_idMCSA1
Number of Residues7
DetailsM-CSA 375
ChainResidueDetails
AGLY20electrostatic stabiliser
AARG24electrostatic stabiliser
AARG43electrostatic stabiliser
AARG87electrostatic stabiliser
ASER90electrostatic stabiliser
AASP204proton shuttle (general acid/base)
AARG217enhance reactivity

site_idMCSA2
Number of Residues7
DetailsM-CSA 375
ChainResidueDetails
BGLY20electrostatic stabiliser
BARG24electrostatic stabiliser
BARG43electrostatic stabiliser
BARG87electrostatic stabiliser
BSER90electrostatic stabiliser
BASP204proton shuttle (general acid/base)
BARG217enhance reactivity

site_idMCSA3
Number of Residues7
DetailsM-CSA 375
ChainResidueDetails
CGLY20electrostatic stabiliser
CARG24electrostatic stabiliser
CARG43electrostatic stabiliser
CARG87electrostatic stabiliser
CSER90electrostatic stabiliser
CASP204proton shuttle (general acid/base)
CARG217enhance reactivity

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PDB entries from 2025-12-24

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