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5KAM

Trypanosome brucei Hypoxanthine-guanine phosphoribosyltranferase in complex with Inosine 5' monophosphate

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
A0006178biological_processguanine salvage
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0020015cellular_componentglycosome
A0031981cellular_componentnuclear lumen
A0032263biological_processGMP salvage
A0032264biological_processIMP salvage
A0046100biological_processhypoxanthine metabolic process
A0046872molecular_functionmetal ion binding
A0052657molecular_functionguanine phosphoribosyltransferase activity
A0097014cellular_componentciliary plasm
C0000166molecular_functionnucleotide binding
C0000287molecular_functionmagnesium ion binding
C0004422molecular_functionhypoxanthine phosphoribosyltransferase activity
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006166biological_processpurine ribonucleoside salvage
C0006178biological_processguanine salvage
C0016740molecular_functiontransferase activity
C0016757molecular_functionglycosyltransferase activity
C0020015cellular_componentglycosome
C0031981cellular_componentnuclear lumen
C0032263biological_processGMP salvage
C0032264biological_processIMP salvage
C0046100biological_processhypoxanthine metabolic process
C0046872molecular_functionmetal ion binding
C0052657molecular_functionguanine phosphoribosyltransferase activity
C0097014cellular_componentciliary plasm
Functional Information from PDB Data
site_idAC1
Number of Residues10
Detailsbinding site for residue IMP A 3301
ChainResidue
AILE115
AHOH3402
ALYS145
AVAL165
APHE166
AVAL167
AASP173
ASO43302
ASO43303
AMG3304

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 3302
ChainResidue
ALYS54
AGLY55
AASP173
AARG179
AIMP3301
AMG3305

site_idAC3
Number of Residues5
Detailsbinding site for residue SO4 A 3303
ChainResidue
AASP117
ATHR118
AALA119
ATHR121
AIMP3301

site_idAC4
Number of Residues3
Detailsbinding site for residue MG A 3304
ChainResidue
AGLU113
AASP114
AIMP3301

site_idAC5
Number of Residues3
Detailsbinding site for residue MG A 3305
ChainResidue
AASP173
ASO43302
AHOH3402

site_idAC6
Number of Residues10
Detailsbinding site for residue IMP C 301
ChainResidue
CILE115
CASP117
CLYS145
CPHE166
CVAL167
CASP173
CSO4302
CSO4303
CMG304
CMG305

site_idAC7
Number of Residues7
Detailsbinding site for residue SO4 C 302
ChainResidue
CLEU116
CASP117
CTHR118
CALA119
CLEU120
CTHR121
CIMP301

site_idAC8
Number of Residues8
Detailsbinding site for residue SO4 C 303
ChainResidue
CLYS54
CGLY55
CARG80
CASP173
CARG179
CIMP301
CMG304
CMG306

site_idAC9
Number of Residues3
Detailsbinding site for residue MG C 304
ChainResidue
CIMP301
CSO4303
CMG306

site_idAD1
Number of Residues3
Detailsbinding site for residue MG C 305
ChainResidue
CGLU113
CASP114
CIMP301

site_idAD2
Number of Residues3
Detailsbinding site for residue MG C 306
ChainResidue
CASP173
CSO4303
CMG304

Functional Information from PROSITE/UniProt
site_idPS00103
Number of Residues13
DetailsPUR_PYR_PR_TRANSFER Purine/pyrimidine phosphoribosyl transferases signature. VLVLEDILDTAlT
ChainResidueDetails
AVAL109-THR121

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues22
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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