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4RHT

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
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE POP A 301
ChainResidue
ALEU65
ALYS66
AGLY67
AASP182
AARG188
A5GP302
AMG304

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE 5GP A 302
ChainResidue
ALYS154
APHE175
AVAL176
AASP182
APOP301
AHOH417
AVAL124
AASP126

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 303
ChainResidue
AGLU122
AASP123
AHOH401
AHOH417

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG A 304
ChainResidue
AASP182
APOP301

site_idAC5
Number of Residues8
DetailsBINDING SITE FOR RESIDUE POP B 301
ChainResidue
BLEU65
BLYS66
BGLY67
BASP182
BARG188
B5GP302
BMG304
BHOH413

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE 5GP B 302
ChainResidue
BLYS154
BPHE175
BVAL176
BLEU181
BASP182
BPOP301
BHOH415

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 303
ChainResidue
BGLU122
BASP123
BHOH415

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG B 304
ChainResidue
BASP182
BPOP301
BHOH401
BHOH413

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE POP C 301
ChainResidue
CLYS66
CGLY67
CASP182
CARG188
C5GP302
CMG303

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE 5GP C 302
ChainResidue
CVAL176
CLEU181
CASP182
CPOP301

site_idBC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG C 303
ChainResidue
CASP182
CPOP301

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG C 304
ChainResidue
CGLU122
CASP123
CHOH403
CHOH404

site_idBC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE POP D 301
ChainResidue
DLYS66
DGLY67
DASP182
DARG188
D5GP302
DMG303

site_idBC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE 5GP D 302
ChainResidue
DVAL124
DVAL176
DASP182
DPOP301

site_idBC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG D 303
ChainResidue
DASP182
DPOP301

site_idBC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG D 304
ChainResidue
DGLU122
DASP123
DHOH404
DHOH406

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 Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"UniProtKB","id":"P0A9M2","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
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 Residues20
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25915781","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4RHT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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