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4RHU

Crystal structures of Mycobacterium tuberculosis 6-oxopurine phosphoribosyltransferase which is a potential target for drug development against this disease

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000287molecular_functionmagnesium ion binding
A0004422molecular_functionhypoxanthine phosphoribosyltransferase activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006166biological_processpurine ribonucleoside salvage
A0006177biological_processGMP biosynthetic process
A0006178biological_processguanine salvage
A0006188biological_processIMP biosynthetic process
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0032263biological_processGMP salvage
A0032264biological_processIMP salvage
A0043101biological_processpurine-containing compound salvage
A0046100biological_processhypoxanthine metabolic process
A0046872molecular_functionmetal ion binding
A0052657molecular_functionguanine phosphoribosyltransferase activity
B0000166molecular_functionnucleotide binding
B0000287molecular_functionmagnesium ion binding
B0004422molecular_functionhypoxanthine phosphoribosyltransferase activity
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006166biological_processpurine ribonucleoside salvage
B0006177biological_processGMP biosynthetic process
B0006178biological_processguanine salvage
B0006188biological_processIMP biosynthetic process
B0016740molecular_functiontransferase activity
B0016757molecular_functionglycosyltransferase activity
B0032263biological_processGMP salvage
B0032264biological_processIMP salvage
B0043101biological_processpurine-containing compound salvage
B0046100biological_processhypoxanthine metabolic process
B0046872molecular_functionmetal ion binding
B0052657molecular_functionguanine phosphoribosyltransferase activity
C0000166molecular_functionnucleotide binding
C0000287molecular_functionmagnesium ion binding
C0004422molecular_functionhypoxanthine phosphoribosyltransferase activity
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006166biological_processpurine ribonucleoside salvage
C0006177biological_processGMP biosynthetic process
C0006178biological_processguanine salvage
C0006188biological_processIMP biosynthetic process
C0016740molecular_functiontransferase activity
C0016757molecular_functionglycosyltransferase activity
C0032263biological_processGMP salvage
C0032264biological_processIMP salvage
C0043101biological_processpurine-containing compound salvage
C0046100biological_processhypoxanthine metabolic process
C0046872molecular_functionmetal ion binding
C0052657molecular_functionguanine phosphoribosyltransferase activity
D0000166molecular_functionnucleotide binding
D0000287molecular_functionmagnesium ion binding
D0004422molecular_functionhypoxanthine phosphoribosyltransferase activity
D0005737cellular_componentcytoplasm
D0005829cellular_componentcytosol
D0006166biological_processpurine ribonucleoside salvage
D0006177biological_processGMP biosynthetic process
D0006178biological_processguanine salvage
D0006188biological_processIMP biosynthetic process
D0016740molecular_functiontransferase activity
D0016757molecular_functionglycosyltransferase activity
D0032263biological_processGMP salvage
D0032264biological_processIMP salvage
D0043101biological_processpurine-containing compound salvage
D0046100biological_processhypoxanthine metabolic process
D0046872molecular_functionmetal ion binding
D0052657molecular_functionguanine phosphoribosyltransferase activity
E0000166molecular_functionnucleotide binding
E0000287molecular_functionmagnesium ion binding
E0004422molecular_functionhypoxanthine phosphoribosyltransferase activity
E0005737cellular_componentcytoplasm
E0005829cellular_componentcytosol
E0006166biological_processpurine ribonucleoside salvage
E0006177biological_processGMP biosynthetic process
E0006178biological_processguanine salvage
E0006188biological_processIMP biosynthetic process
E0016740molecular_functiontransferase activity
E0016757molecular_functionglycosyltransferase activity
E0032263biological_processGMP salvage
E0032264biological_processIMP salvage
E0043101biological_processpurine-containing compound salvage
E0046100biological_processhypoxanthine metabolic process
E0046872molecular_functionmetal ion binding
E0052657molecular_functionguanine phosphoribosyltransferase activity
F0000166molecular_functionnucleotide binding
F0000287molecular_functionmagnesium ion binding
F0004422molecular_functionhypoxanthine phosphoribosyltransferase activity
F0005737cellular_componentcytoplasm
F0005829cellular_componentcytosol
F0006166biological_processpurine ribonucleoside salvage
F0006177biological_processGMP biosynthetic process
F0006178biological_processguanine salvage
F0006188biological_processIMP biosynthetic process
F0016740molecular_functiontransferase activity
F0016757molecular_functionglycosyltransferase activity
F0032263biological_processGMP salvage
F0032264biological_processIMP salvage
F0043101biological_processpurine-containing compound salvage
F0046100biological_processhypoxanthine metabolic process
F0046872molecular_functionmetal ion binding
F0052657molecular_functionguanine phosphoribosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE 3QE A 301
ChainResidue
ALEU65
AASP174
APHE175
AVAL176
ALEU181
AASP182
AARG188
AHOH415
ALYS66
AVAL124
AASP126
ASER127
AGLY128
ALEU129
ATHR130
ALYS154

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 302
ChainResidue
AGLU122
AASP123
AHOH415

site_idAC3
Number of Residues19
DetailsBINDING SITE FOR RESIDUE 3QE B 301
ChainResidue
BLYS66
BGLY67
BVAL124
BVAL125
BASP126
BSER127
BGLY128
BTHR130
BLYS154
BASP174
BPHE175
BVAL176
BLEU181
BASP182
BARG188
BMG303
BHOH401
BHOH416
FGLN202

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG B 302
ChainResidue
BGLU122
BASP123
BHOH402
BHOH415
BHOH416

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 303
ChainResidue
BASP182
B3QE301
BHOH414

site_idAC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE 45T C 301
ChainResidue
CASP123
CVAL124
CASP126
CSER127
CGLY128
CTHR130
CLYS154
CASP174
CPHE175
CVAL176
CLEU181
CASP182
CARG188
CHOH404
CHOH412
CHOH420

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG C 302
ChainResidue
CGLU122
CASP123
CHOH412
CHOH413
CHOH414

site_idAC8
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 45T D 301
ChainResidue
DLYS66
DVAL124
DASP126
DSER127
DGLY128
DLEU129
DTHR130
DLYS154
DVAL176
DLEU181
DASP182
DARG188

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG D 302
ChainResidue
DGLU122
DASP123

site_idBC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE 45T E 301
ChainResidue
EVAL124
EASP126
ESER127
EGLY128
ELEU129
ETHR130
ELYS154
EPHE175
EVAL176
EASP182
EARG188

site_idBC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG E 302
ChainResidue
EGLU122
EASP123

site_idBC3
Number of Residues22
DetailsBINDING SITE FOR RESIDUE 45T F 301
ChainResidue
FASP126
FSER127
FGLY128
FLEU129
FTHR130
FLYS154
FASP174
FPHE175
FVAL176
FLEU181
FASP182
FARG188
FMG302
FHOH402
FHOH405
FHOH411
FHOH413
BGLN202
FLEU65
FLYS66
FGLY67
FVAL124

site_idBC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG F 302
ChainResidue
FASP182
FARG188
F45T301
FHOH405
FHOH411

site_idBC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG F 303
ChainResidue
FGLU122
FASP123
FHOH413

Functional Information from PROSITE/UniProt
site_idPS00103
Number of Residues13
DetailsPUR_PYR_PR_TRANSFER Purine/pyrimidine phosphoribosyl transferases signature. VLIVEDVVDSGlT
ChainResidueDetails
AVAL118-THR130

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"UniProtKB","id":"P0A9M2","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25915781","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4RHT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KNP","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues30
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25915781","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4RHT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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