5MX6
Crystal structure of H. pylori purine nucleoside phosphorylase from clinical isolate HpPNP-2
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| A | 0005829 | cellular_component | cytosol |
| A | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| A | 0006152 | biological_process | purine nucleoside catabolic process |
| A | 0009116 | biological_process | nucleoside metabolic process |
| A | 0009164 | biological_process | nucleoside catabolic process |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016757 | molecular_function | glycosyltransferase activity |
| A | 0016763 | molecular_function | pentosyltransferase activity |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| B | 0005829 | cellular_component | cytosol |
| B | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| B | 0006152 | biological_process | purine nucleoside catabolic process |
| B | 0009116 | biological_process | nucleoside metabolic process |
| B | 0009164 | biological_process | nucleoside catabolic process |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016757 | molecular_function | glycosyltransferase activity |
| B | 0016763 | molecular_function | pentosyltransferase activity |
| C | 0003824 | molecular_function | catalytic activity |
| C | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| C | 0005829 | cellular_component | cytosol |
| C | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| C | 0006152 | biological_process | purine nucleoside catabolic process |
| C | 0009116 | biological_process | nucleoside metabolic process |
| C | 0009164 | biological_process | nucleoside catabolic process |
| C | 0016740 | molecular_function | transferase activity |
| C | 0016757 | molecular_function | glycosyltransferase activity |
| C | 0016763 | molecular_function | pentosyltransferase activity |
| D | 0003824 | molecular_function | catalytic activity |
| D | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| D | 0005829 | cellular_component | cytosol |
| D | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| D | 0006152 | biological_process | purine nucleoside catabolic process |
| D | 0009116 | biological_process | nucleoside metabolic process |
| D | 0009164 | biological_process | nucleoside catabolic process |
| D | 0016740 | molecular_function | transferase activity |
| D | 0016757 | molecular_function | glycosyltransferase activity |
| D | 0016763 | molecular_function | pentosyltransferase activity |
| E | 0003824 | molecular_function | catalytic activity |
| E | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| E | 0005829 | cellular_component | cytosol |
| E | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| E | 0006152 | biological_process | purine nucleoside catabolic process |
| E | 0009116 | biological_process | nucleoside metabolic process |
| E | 0009164 | biological_process | nucleoside catabolic process |
| E | 0016740 | molecular_function | transferase activity |
| E | 0016757 | molecular_function | glycosyltransferase activity |
| E | 0016763 | molecular_function | pentosyltransferase activity |
| F | 0003824 | molecular_function | catalytic activity |
| F | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| F | 0005829 | cellular_component | cytosol |
| F | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| F | 0006152 | biological_process | purine nucleoside catabolic process |
| F | 0009116 | biological_process | nucleoside metabolic process |
| F | 0009164 | biological_process | nucleoside catabolic process |
| F | 0016740 | molecular_function | transferase activity |
| F | 0016757 | molecular_function | glycosyltransferase activity |
| F | 0016763 | molecular_function | pentosyltransferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 A 301 |
| Chain | Residue |
| A | CYS19 |
| A | GLY20 |
| A | ARG87 |
| A | GLY89 |
| A | THR90 |
| D | ARG43 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | binding site for residue HPA A 302 |
| Chain | Residue |
| A | PHE159 |
| A | ILE178 |
| A | GLU179 |
| A | ASP204 |
| A | LEU206 |
| A | THR90 |
| A | CYS91 |
| A | GLY92 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 303 |
| Chain | Residue |
| A | GLN34 |
| A | ASP35 |
| A | ALA36 |
| A | HOH457 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | binding site for residue ACT A 304 |
| Chain | Residue |
| A | LYS78 |
| A | GLU191 |
| D | PHE162 |
| site_id | AC5 |
| Number of Residues | 11 |
| Details | binding site for residue PEG A 305 |
| Chain | Residue |
| A | ASN122 |
| A | HOH441 |
| A | HOH454 |
| B | ASN122 |
| C | ASN122 |
| C | HOH416 |
| D | ASN122 |
| E | ASN122 |
| E | HOH417 |
| F | ASN122 |
| F | HOH405 |
| site_id | AC6 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 B 301 |
| Chain | Residue |
| B | CYS19 |
| B | GLY20 |
| B | ASP21 |
| B | ARG87 |
| B | GLY89 |
| B | THR90 |
| B | HOH402 |
| E | ARG43 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | binding site for residue HPA B 302 |
| Chain | Residue |
| B | THR90 |
| B | GLY92 |
| B | PHE159 |
| B | MET180 |
| site_id | AC8 |
| Number of Residues | 2 |
| Details | binding site for residue PEG B 303 |
| Chain | Residue |
| B | ASN6 |
| B | GLU38 |
| site_id | AC9 |
| Number of Residues | 7 |
| Details | binding site for residue PO4 C 301 |
| Chain | Residue |
| C | GLY20 |
| C | ARG24 |
| C | ARG87 |
| C | GLY89 |
| C | THR90 |
| C | HOH417 |
| F | ARG43 |
| site_id | AD1 |
| Number of Residues | 8 |
| Details | binding site for residue HPA C 302 |
| Chain | Residue |
| C | THR90 |
| C | CYS91 |
| C | GLY92 |
| C | PHE159 |
| C | ILE178 |
| C | GLU179 |
| C | ASP204 |
| C | LEU206 |
| site_id | AD2 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 C 303 |
| Chain | Residue |
| A | TYR138 |
| A | LYS142 |
| C | LEU33 |
| C | GLN34 |
| C | ASP35 |
| C | HOH449 |
| site_id | AD3 |
| Number of Residues | 3 |
| Details | binding site for residue PEG C 304 |
| Chain | Residue |
| C | ASN6 |
| C | GLU38 |
| C | ILE39 |
| site_id | AD4 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 D 301 |
| Chain | Residue |
| A | ARG43 |
| D | GLY20 |
| D | ASP21 |
| D | ARG87 |
| D | GLY89 |
| D | THR90 |
| D | HOH403 |
| D | HOH424 |
| site_id | AD5 |
| Number of Residues | 4 |
| Details | binding site for residue HPA D 302 |
| Chain | Residue |
| D | THR90 |
| D | GLY92 |
| D | LEU206 |
| D | HOH460 |
| site_id | AD6 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 D 303 |
| Chain | Residue |
| C | LYS97 |
| D | LEU33 |
| D | GLN34 |
| D | ASP35 |
| D | HOH402 |
| site_id | AD7 |
| Number of Residues | 3 |
| Details | binding site for residue PEG D 304 |
| Chain | Residue |
| D | ASN6 |
| D | GLU38 |
| D | ILE39 |
| site_id | AD8 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 E 301 |
| Chain | Residue |
| B | ARG43 |
| E | CYS19 |
| E | GLY20 |
| E | ASP21 |
| E | ARG24 |
| E | ARG87 |
| E | GLY89 |
| E | THR90 |
| site_id | AD9 |
| Number of Residues | 5 |
| Details | binding site for residue HPA E 302 |
| Chain | Residue |
| E | GLY92 |
| E | PHE159 |
| E | ILE178 |
| E | LEU206 |
| E | THR90 |
| site_id | AE1 |
| Number of Residues | 3 |
| Details | binding site for residue PEG E 303 |
| Chain | Residue |
| E | ASN6 |
| E | GLU38 |
| E | ILE39 |
| site_id | AE2 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 F 301 |
| Chain | Residue |
| C | ARG43 |
| F | GLY20 |
| F | ASP21 |
| F | ARG24 |
| F | ARG87 |
| F | GLY89 |
| F | THR90 |
| F | HOH402 |
| site_id | AE3 |
| Number of Residues | 6 |
| Details | binding site for residue HPA F 302 |
| Chain | Residue |
| F | THR90 |
| F | CYS91 |
| F | GLY92 |
| F | PHE159 |
| F | LEU206 |
| F | HOH441 |
| site_id | AE4 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 F 303 |
| Chain | Residue |
| A | LYS209 |
| A | HOH413 |
| F | GLN34 |
| F | ASP35 |
| site_id | AE5 |
| Number of Residues | 5 |
| Details | binding site for residue ACT F 304 |
| Chain | Residue |
| C | TYR160 |
| C | SER161 |
| C | PHE162 |
| F | LYS78 |
| F | GLU191 |
Functional Information from PROSITE/UniProt
| site_id | PS01232 |
| Number of Residues | 16 |
| Details | PNP_UDP_1 Purine and other phosphorylases family 1 signature. GhGMGiAScTIyvtEL |
| Chain | Residue | Details |
| A | GLY61-LEU76 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI2 |
| Number of Residues | 6 |
| Details | Active site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 12 |
| Details | Binding site: {"evidences":[{"source":"UniProtKB","id":"P50389","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 48 |
| Details | Binding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P50389","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 6 |
| Details | Site: {"description":"Important for catalytic activity","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |






