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6F4X

Crystal structure of H. pylori purine nucleoside phosphorylase in complex with PO4 and formycin A

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004731molecular_functionpurine-nucleoside phosphorylase activity
A0005829cellular_componentcytosol
A0006139biological_processnucleobase-containing compound metabolic process
A0006152biological_processpurine nucleoside catabolic process
A0009116biological_processnucleoside metabolic process
A0009164biological_processnucleoside catabolic process
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0016763molecular_functionpentosyltransferase activity
B0003824molecular_functioncatalytic activity
B0004731molecular_functionpurine-nucleoside phosphorylase activity
B0005829cellular_componentcytosol
B0006139biological_processnucleobase-containing compound metabolic process
B0006152biological_processpurine nucleoside catabolic process
B0009116biological_processnucleoside metabolic process
B0009164biological_processnucleoside catabolic process
B0016740molecular_functiontransferase activity
B0016757molecular_functionglycosyltransferase activity
B0016763molecular_functionpentosyltransferase activity
C0003824molecular_functioncatalytic activity
C0004731molecular_functionpurine-nucleoside phosphorylase activity
C0005829cellular_componentcytosol
C0006139biological_processnucleobase-containing compound metabolic process
C0006152biological_processpurine nucleoside catabolic process
C0009116biological_processnucleoside metabolic process
C0009164biological_processnucleoside catabolic process
C0016740molecular_functiontransferase activity
C0016757molecular_functionglycosyltransferase activity
C0016763molecular_functionpentosyltransferase activity
D0003824molecular_functioncatalytic activity
D0004731molecular_functionpurine-nucleoside phosphorylase activity
D0005829cellular_componentcytosol
D0006139biological_processnucleobase-containing compound metabolic process
D0006152biological_processpurine nucleoside catabolic process
D0009116biological_processnucleoside metabolic process
D0009164biological_processnucleoside catabolic process
D0016740molecular_functiontransferase activity
D0016757molecular_functionglycosyltransferase activity
D0016763molecular_functionpentosyltransferase activity
E0003824molecular_functioncatalytic activity
E0004731molecular_functionpurine-nucleoside phosphorylase activity
E0005829cellular_componentcytosol
E0006139biological_processnucleobase-containing compound metabolic process
E0006152biological_processpurine nucleoside catabolic process
E0009116biological_processnucleoside metabolic process
E0009164biological_processnucleoside catabolic process
E0016740molecular_functiontransferase activity
E0016757molecular_functionglycosyltransferase activity
E0016763molecular_functionpentosyltransferase activity
F0003824molecular_functioncatalytic activity
F0004731molecular_functionpurine-nucleoside phosphorylase activity
F0005829cellular_componentcytosol
F0006139biological_processnucleobase-containing compound metabolic process
F0006152biological_processpurine nucleoside catabolic process
F0009116biological_processnucleoside metabolic process
F0009164biological_processnucleoside catabolic process
F0016740molecular_functiontransferase activity
F0016757molecular_functionglycosyltransferase activity
F0016763molecular_functionpentosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues14
Detailsbinding site for residue FMC A 301
ChainResidue
AARG87
ALEU206
APO4302
AHOH536
DHIS4
DARG43
ATHR90
ACYS91
AGLY92
APHE159
AGLU179
AMET180
AGLU181
ASER203

site_idAC2
Number of Residues8
Detailsbinding site for residue PO4 A 302
ChainResidue
AGLY20
AASP21
AARG87
AGLY89
ATHR90
AFMC301
AHOH464
DARG43

site_idAC3
Number of Residues6
Detailsbinding site for residue EDO A 303
ChainResidue
ATYR13
AASP35
ALYS37
ASER49
AGLY50
ALYS51

site_idAC4
Number of Residues4
Detailsbinding site for residue EDO A 304
ChainResidue
ALYS78
AGLU191
DPHE162
DHOH494

site_idAC5
Number of Residues2
Detailsbinding site for residue EDO A 305
ChainResidue
AGLU38
AASN41

site_idAC6
Number of Residues5
Detailsbinding site for residue EDO A 306
ChainResidue
ALYS30
AALA36
APHE48
AHOH511
DILE226

site_idAC7
Number of Residues5
Detailsbinding site for residue EDO A 307
ChainResidue
AARG117
AVAL118
AASN122
AHOH538
DGLU163

site_idAC8
Number of Residues16
Detailsbinding site for residue FMC B 301
ChainResidue
BMET64
BARG87
BTHR90
BCYS91
BGLY92
BPHE159
BGLU179
BMET180
BGLU181
BASP204
BLEU206
BHOH431
BHOH502
EHIS4
EARG43
EHOH482

site_idAC9
Number of Residues3
Detailsbinding site for residue EDO B 302
ChainResidue
BGLN15
BARG55
BLYS83

site_idAD1
Number of Residues8
Detailsbinding site for residue PO4 C 301
ChainResidue
CCYS19
CGLY20
CARG24
CARG87
CGLY89
CTHR90
CFMC302
FARG43

site_idAD2
Number of Residues15
Detailsbinding site for residue FMC C 302
ChainResidue
CMET64
CARG87
CTHR90
CCYS91
CGLY92
CPHE159
CGLU179
CMET180
CGLU181
CSER203
CASP204
CPO4301
CHOH445
FHIS4
FARG43

site_idAD3
Number of Residues4
Detailsbinding site for residue EDO C 303
ChainResidue
CLYS78
CGLU191
FPHE162
FHOH473

site_idAD4
Number of Residues18
Detailsbinding site for residue FMC D 301
ChainResidue
DMET180
DGLU181
DSER203
DLEU206
DHOH427
DHOH441
DHOH464
DHOH509
DHOH510
AHIS4
AARG43
DMET64
DARG87
DTHR90
DCYS91
DGLY92
DPHE159
DGLU179

site_idAD5
Number of Residues4
Detailsbinding site for residue EDO D 302
ChainResidue
DCYS19
DARG24
DTHR90
DPHE221

site_idAD6
Number of Residues4
Detailsbinding site for residue EDO D 303
ChainResidue
BVAL150
DASP130
DPHE131
DGLU132

site_idAD7
Number of Residues4
Detailsbinding site for residue EDO D 304
ChainResidue
AGLU216
DPRO96
DLYS97
DHOH407

site_idAD8
Number of Residues9
Detailsbinding site for residue PO4 E 301
ChainResidue
BARG43
ECYS19
EGLY20
EASP21
EARG24
EARG87
EGLY89
ETHR90
EFMC302

site_idAD9
Number of Residues19
Detailsbinding site for residue FMC E 302
ChainResidue
BHIS4
BARG43
EMET64
EARG87
ETHR90
ECYS91
EGLY92
EPHE159
EILE178
EGLU179
EMET180
EGLU181
ESER203
EASP204
ELEU206
EPO4301
EHOH463
EHOH474
EHOH481

site_idAE1
Number of Residues7
Detailsbinding site for residue EDO E 303
ChainResidue
CARG119
ELEU169
ELYS172
ETYR173
EHOH403
EHOH525
FPHE162

site_idAE2
Number of Residues16
Detailsbinding site for residue FMC F 301
ChainResidue
CHIS4
CARG43
FMET64
FARG87
FTHR90
FCYS91
FGLY92
FPHE159
FGLU179
FMET180
FGLU181
FSER203
FASP204
FLEU206
FHOH407
FHOH466

site_idAE3
Number of Residues5
Detailsbinding site for residue EDO F 302
ChainResidue
FGLY10
FASP11
FTYR13
FSER49
FHOH413

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

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P50389","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues48
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P50389","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues5
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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