1QK3
TOXOPLASMA GONDII HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE GMP COMPLEX
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000166 | molecular_function | nucleotide binding |
| A | 0000287 | molecular_function | magnesium ion binding |
| A | 0000310 | molecular_function | xanthine phosphoribosyltransferase activity |
| A | 0004422 | molecular_function | hypoxanthine phosphoribosyltransferase activity |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0006166 | biological_process | purine ribonucleoside salvage |
| A | 0006178 | biological_process | guanine salvage |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016757 | molecular_function | glycosyltransferase activity |
| A | 0032263 | biological_process | GMP salvage |
| A | 0032264 | biological_process | IMP salvage |
| A | 0032265 | biological_process | XMP salvage |
| A | 0046100 | biological_process | hypoxanthine metabolic process |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0052657 | molecular_function | guanine phosphoribosyltransferase activity |
| B | 0000166 | molecular_function | nucleotide binding |
| B | 0000287 | molecular_function | magnesium ion binding |
| B | 0000310 | molecular_function | xanthine phosphoribosyltransferase activity |
| B | 0004422 | molecular_function | hypoxanthine phosphoribosyltransferase activity |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005829 | cellular_component | cytosol |
| B | 0006166 | biological_process | purine ribonucleoside salvage |
| B | 0006178 | biological_process | guanine salvage |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016757 | molecular_function | glycosyltransferase activity |
| B | 0032263 | biological_process | GMP salvage |
| B | 0032264 | biological_process | IMP salvage |
| B | 0032265 | biological_process | XMP salvage |
| B | 0046100 | biological_process | hypoxanthine metabolic process |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0052657 | molecular_function | guanine phosphoribosyltransferase activity |
| C | 0000166 | molecular_function | nucleotide binding |
| C | 0000287 | molecular_function | magnesium ion binding |
| C | 0000310 | molecular_function | xanthine phosphoribosyltransferase activity |
| C | 0004422 | molecular_function | hypoxanthine phosphoribosyltransferase activity |
| C | 0005737 | cellular_component | cytoplasm |
| C | 0005829 | cellular_component | cytosol |
| C | 0006166 | biological_process | purine ribonucleoside salvage |
| C | 0006178 | biological_process | guanine salvage |
| C | 0016740 | molecular_function | transferase activity |
| C | 0016757 | molecular_function | glycosyltransferase activity |
| C | 0032263 | biological_process | GMP salvage |
| C | 0032264 | biological_process | IMP salvage |
| C | 0032265 | biological_process | XMP salvage |
| C | 0046100 | biological_process | hypoxanthine metabolic process |
| C | 0046872 | molecular_function | metal ion binding |
| C | 0052657 | molecular_function | guanine phosphoribosyltransferase activity |
| D | 0000166 | molecular_function | nucleotide binding |
| D | 0000287 | molecular_function | magnesium ion binding |
| D | 0000310 | molecular_function | xanthine phosphoribosyltransferase activity |
| D | 0004422 | molecular_function | hypoxanthine phosphoribosyltransferase activity |
| D | 0005737 | cellular_component | cytoplasm |
| D | 0005829 | cellular_component | cytosol |
| D | 0006166 | biological_process | purine ribonucleoside salvage |
| D | 0006178 | biological_process | guanine salvage |
| D | 0016740 | molecular_function | transferase activity |
| D | 0016757 | molecular_function | glycosyltransferase activity |
| D | 0032263 | biological_process | GMP salvage |
| D | 0032264 | biological_process | IMP salvage |
| D | 0032265 | biological_process | XMP salvage |
| D | 0046100 | biological_process | hypoxanthine metabolic process |
| D | 0046872 | molecular_function | metal ion binding |
| D | 0052657 | molecular_function | guanine phosphoribosyltransferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE 5GP A 300 |
| Chain | Residue |
| A | GLU146 |
| A | TYR205 |
| A | ASP206 |
| A | HOH2179 |
| A | HOH2180 |
| A | HOH2181 |
| A | HOH2182 |
| B | GLY125 |
| A | ILE148 |
| A | ASP150 |
| A | THR151 |
| A | GLY152 |
| A | THR154 |
| A | LYS178 |
| A | TRP199 |
| A | ILE200 |
| site_id | AC2 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE 5GP B 300 |
| Chain | Residue |
| A | GLY125 |
| B | LYS79 |
| B | GLU146 |
| B | ILE148 |
| B | ASP150 |
| B | THR151 |
| B | GLY152 |
| B | THR154 |
| B | LYS178 |
| B | TRP199 |
| B | ILE200 |
| B | ASP206 |
| B | HOH2112 |
| B | HOH2139 |
| B | HOH2157 |
| B | HOH2158 |
| B | HOH2159 |
| site_id | AC3 |
| Number of Residues | 19 |
| Details | BINDING SITE FOR RESIDUE 5GP C 300 |
| Chain | Residue |
| C | GLU146 |
| C | ASP147 |
| C | ASP150 |
| C | THR151 |
| C | GLY152 |
| C | THR154 |
| C | LYS178 |
| C | VAL198 |
| C | TRP199 |
| C | ILE200 |
| C | TYR205 |
| C | ASP206 |
| C | HOH2146 |
| C | HOH2147 |
| C | HOH2148 |
| C | HOH2149 |
| C | HOH2150 |
| C | HOH2151 |
| C | HOH2152 |
| site_id | AC4 |
| Number of Residues | 19 |
| Details | BINDING SITE FOR RESIDUE 5GP D 300 |
| Chain | Residue |
| D | LYS79 |
| D | GLU146 |
| D | ASP147 |
| D | ASP150 |
| D | THR151 |
| D | GLY152 |
| D | PHE153 |
| D | THR154 |
| D | LYS178 |
| D | TRP199 |
| D | ILE200 |
| D | ASP206 |
| D | HOH2088 |
| D | HOH2145 |
| D | HOH2146 |
| D | HOH2147 |
| D | HOH2148 |
| D | HOH2149 |
| D | HOH2150 |
Functional Information from PROSITE/UniProt
| site_id | PS00103 |
| Number of Residues | 13 |
| Details | PUR_PYR_PR_TRANSFER Purine/pyrimidine phosphoribosyl transferases signature. VLIVEDIVDTGfT |
| Chain | Residue | Details |
| A | VAL142-THR154 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | Active site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"10545171","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11188695","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 44 |
| Details | Binding site: {} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11188695","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| A | ASP147 | |
| A | ASP150 | |
| A | GLU146 | |
| A | LYS178 |
| site_id | CSA2 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| B | ASP147 | |
| B | ASP150 | |
| B | GLU146 | |
| B | LYS178 |
| site_id | CSA3 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| C | ASP147 | |
| C | ASP150 | |
| C | GLU146 | |
| C | LYS178 |
| site_id | CSA4 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| D | ASP147 | |
| D | ASP150 | |
| D | GLU146 | |
| D | LYS178 |
| site_id | CSA5 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| A | ARG182 | |
| A | ASP147 | |
| A | ASP150 | |
| A | GLU146 | |
| A | LYS178 |
| site_id | CSA6 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| B | ARG182 | |
| B | ASP147 | |
| B | ASP150 | |
| B | GLU146 | |
| B | LYS178 |
| site_id | CSA7 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| C | ARG182 | |
| C | ASP147 | |
| C | ASP150 | |
| C | GLU146 | |
| C | LYS178 |
| site_id | CSA8 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a95 |
| Chain | Residue | Details |
| D | ARG182 | |
| D | ASP147 | |
| D | ASP150 | |
| D | GLU146 | |
| D | LYS178 |






