3OPV
Crystal structure of E. Coli purine nucleoside phosphorylase Arg24Ala mutant
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| A | 0006152 | biological_process | purine nucleoside catabolic process |
| A | 0006974 | biological_process | DNA damage response |
| A | 0009116 | biological_process | nucleoside metabolic process |
| A | 0009164 | biological_process | nucleoside catabolic process |
| A | 0016020 | cellular_component | membrane |
| A | 0016763 | molecular_function | pentosyltransferase activity |
| A | 0019686 | biological_process | purine nucleoside interconversion |
| A | 0042278 | biological_process | purine nucleoside metabolic process |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0047975 | molecular_function | guanosine phosphorylase activity |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005829 | cellular_component | cytosol |
| B | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| B | 0006152 | biological_process | purine nucleoside catabolic process |
| B | 0006974 | biological_process | DNA damage response |
| B | 0009116 | biological_process | nucleoside metabolic process |
| B | 0009164 | biological_process | nucleoside catabolic process |
| B | 0016020 | cellular_component | membrane |
| B | 0016763 | molecular_function | pentosyltransferase activity |
| B | 0019686 | biological_process | purine nucleoside interconversion |
| B | 0042278 | biological_process | purine nucleoside metabolic process |
| B | 0042802 | molecular_function | identical protein binding |
| B | 0047975 | molecular_function | guanosine phosphorylase activity |
| C | 0003824 | molecular_function | catalytic activity |
| C | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| C | 0005737 | cellular_component | cytoplasm |
| C | 0005829 | cellular_component | cytosol |
| C | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| C | 0006152 | biological_process | purine nucleoside catabolic process |
| C | 0006974 | biological_process | DNA damage response |
| C | 0009116 | biological_process | nucleoside metabolic process |
| C | 0009164 | biological_process | nucleoside catabolic process |
| C | 0016020 | cellular_component | membrane |
| C | 0016763 | molecular_function | pentosyltransferase activity |
| C | 0019686 | biological_process | purine nucleoside interconversion |
| C | 0042278 | biological_process | purine nucleoside metabolic process |
| C | 0042802 | molecular_function | identical protein binding |
| C | 0047975 | molecular_function | guanosine phosphorylase activity |
| D | 0003824 | molecular_function | catalytic activity |
| D | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| D | 0005737 | cellular_component | cytoplasm |
| D | 0005829 | cellular_component | cytosol |
| D | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| D | 0006152 | biological_process | purine nucleoside catabolic process |
| D | 0006974 | biological_process | DNA damage response |
| D | 0009116 | biological_process | nucleoside metabolic process |
| D | 0009164 | biological_process | nucleoside catabolic process |
| D | 0016020 | cellular_component | membrane |
| D | 0016763 | molecular_function | pentosyltransferase activity |
| D | 0019686 | biological_process | purine nucleoside interconversion |
| D | 0042278 | biological_process | purine nucleoside metabolic process |
| D | 0042802 | molecular_function | identical protein binding |
| D | 0047975 | molecular_function | guanosine phosphorylase activity |
| E | 0003824 | molecular_function | catalytic activity |
| E | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| E | 0005737 | cellular_component | cytoplasm |
| E | 0005829 | cellular_component | cytosol |
| E | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| E | 0006152 | biological_process | purine nucleoside catabolic process |
| E | 0006974 | biological_process | DNA damage response |
| E | 0009116 | biological_process | nucleoside metabolic process |
| E | 0009164 | biological_process | nucleoside catabolic process |
| E | 0016020 | cellular_component | membrane |
| E | 0016763 | molecular_function | pentosyltransferase activity |
| E | 0019686 | biological_process | purine nucleoside interconversion |
| E | 0042278 | biological_process | purine nucleoside metabolic process |
| E | 0042802 | molecular_function | identical protein binding |
| E | 0047975 | molecular_function | guanosine phosphorylase activity |
| F | 0003824 | molecular_function | catalytic activity |
| F | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| F | 0005737 | cellular_component | cytoplasm |
| F | 0005829 | cellular_component | cytosol |
| F | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| F | 0006152 | biological_process | purine nucleoside catabolic process |
| F | 0006974 | biological_process | DNA damage response |
| F | 0009116 | biological_process | nucleoside metabolic process |
| F | 0009164 | biological_process | nucleoside catabolic process |
| F | 0016020 | cellular_component | membrane |
| F | 0016763 | molecular_function | pentosyltransferase activity |
| F | 0019686 | biological_process | purine nucleoside interconversion |
| F | 0042278 | biological_process | purine nucleoside metabolic process |
| F | 0042802 | molecular_function | identical protein binding |
| F | 0047975 | molecular_function | guanosine phosphorylase activity |
| G | 0003824 | molecular_function | catalytic activity |
| G | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| G | 0005737 | cellular_component | cytoplasm |
| G | 0005829 | cellular_component | cytosol |
| G | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| G | 0006152 | biological_process | purine nucleoside catabolic process |
| G | 0006974 | biological_process | DNA damage response |
| G | 0009116 | biological_process | nucleoside metabolic process |
| G | 0009164 | biological_process | nucleoside catabolic process |
| G | 0016020 | cellular_component | membrane |
| G | 0016763 | molecular_function | pentosyltransferase activity |
| G | 0019686 | biological_process | purine nucleoside interconversion |
| G | 0042278 | biological_process | purine nucleoside metabolic process |
| G | 0042802 | molecular_function | identical protein binding |
| G | 0047975 | molecular_function | guanosine phosphorylase activity |
| H | 0003824 | molecular_function | catalytic activity |
| H | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| H | 0005737 | cellular_component | cytoplasm |
| H | 0005829 | cellular_component | cytosol |
| H | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| H | 0006152 | biological_process | purine nucleoside catabolic process |
| H | 0006974 | biological_process | DNA damage response |
| H | 0009116 | biological_process | nucleoside metabolic process |
| H | 0009164 | biological_process | nucleoside catabolic process |
| H | 0016020 | cellular_component | membrane |
| H | 0016763 | molecular_function | pentosyltransferase activity |
| H | 0019686 | biological_process | purine nucleoside interconversion |
| H | 0042278 | biological_process | purine nucleoside metabolic process |
| H | 0042802 | molecular_function | identical protein binding |
| H | 0047975 | molecular_function | guanosine phosphorylase activity |
| I | 0003824 | molecular_function | catalytic activity |
| I | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| I | 0005737 | cellular_component | cytoplasm |
| I | 0005829 | cellular_component | cytosol |
| I | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| I | 0006152 | biological_process | purine nucleoside catabolic process |
| I | 0006974 | biological_process | DNA damage response |
| I | 0009116 | biological_process | nucleoside metabolic process |
| I | 0009164 | biological_process | nucleoside catabolic process |
| I | 0016020 | cellular_component | membrane |
| I | 0016763 | molecular_function | pentosyltransferase activity |
| I | 0019686 | biological_process | purine nucleoside interconversion |
| I | 0042278 | biological_process | purine nucleoside metabolic process |
| I | 0042802 | molecular_function | identical protein binding |
| I | 0047975 | molecular_function | guanosine phosphorylase activity |
| J | 0003824 | molecular_function | catalytic activity |
| J | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| J | 0005737 | cellular_component | cytoplasm |
| J | 0005829 | cellular_component | cytosol |
| J | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| J | 0006152 | biological_process | purine nucleoside catabolic process |
| J | 0006974 | biological_process | DNA damage response |
| J | 0009116 | biological_process | nucleoside metabolic process |
| J | 0009164 | biological_process | nucleoside catabolic process |
| J | 0016020 | cellular_component | membrane |
| J | 0016763 | molecular_function | pentosyltransferase activity |
| J | 0019686 | biological_process | purine nucleoside interconversion |
| J | 0042278 | biological_process | purine nucleoside metabolic process |
| J | 0042802 | molecular_function | identical protein binding |
| J | 0047975 | molecular_function | guanosine phosphorylase activity |
| K | 0003824 | molecular_function | catalytic activity |
| K | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| K | 0005737 | cellular_component | cytoplasm |
| K | 0005829 | cellular_component | cytosol |
| K | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| K | 0006152 | biological_process | purine nucleoside catabolic process |
| K | 0006974 | biological_process | DNA damage response |
| K | 0009116 | biological_process | nucleoside metabolic process |
| K | 0009164 | biological_process | nucleoside catabolic process |
| K | 0016020 | cellular_component | membrane |
| K | 0016763 | molecular_function | pentosyltransferase activity |
| K | 0019686 | biological_process | purine nucleoside interconversion |
| K | 0042278 | biological_process | purine nucleoside metabolic process |
| K | 0042802 | molecular_function | identical protein binding |
| K | 0047975 | molecular_function | guanosine phosphorylase activity |
| L | 0003824 | molecular_function | catalytic activity |
| L | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| L | 0005737 | cellular_component | cytoplasm |
| L | 0005829 | cellular_component | cytosol |
| L | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| L | 0006152 | biological_process | purine nucleoside catabolic process |
| L | 0006974 | biological_process | DNA damage response |
| L | 0009116 | biological_process | nucleoside metabolic process |
| L | 0009164 | biological_process | nucleoside catabolic process |
| L | 0016020 | cellular_component | membrane |
| L | 0016763 | molecular_function | pentosyltransferase activity |
| L | 0019686 | biological_process | purine nucleoside interconversion |
| L | 0042278 | biological_process | purine nucleoside metabolic process |
| L | 0042802 | molecular_function | identical protein binding |
| L | 0047975 | molecular_function | guanosine phosphorylase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PO4 A 238 |
| Chain | Residue |
| A | GLY20 |
| A | ARG87 |
| A | GLY89 |
| A | SER90 |
| A | HOH1369 |
| D | ARG43 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PO4 B 238 |
| Chain | Residue |
| B | SER90 |
| B | HOH249 |
| B | HOH293 |
| E | ARG43 |
| B | GLY20 |
| B | ARG87 |
| B | GLY89 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PO4 C 238 |
| Chain | Residue |
| C | GLY20 |
| C | ARG87 |
| C | VAL88 |
| C | GLY89 |
| C | SER90 |
| C | HOH266 |
| C | HOH1305 |
| F | ARG43 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE PO4 D 238 |
| Chain | Residue |
| A | ARG43 |
| D | GLY20 |
| D | ARG87 |
| D | VAL88 |
| D | GLY89 |
| D | SER90 |
| D | HOH268 |
| D | HOH302 |
| D | HOH1117 |
| site_id | AC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PO4 E 238 |
| Chain | Residue |
| B | ARG43 |
| E | GLY20 |
| E | ARG87 |
| E | GLY89 |
| E | SER90 |
| E | HOH277 |
| E | HOH766 |
| E | HOH809 |
| site_id | AC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PO4 F 238 |
| Chain | Residue |
| C | ARG43 |
| F | GLY20 |
| F | ARG87 |
| F | GLY89 |
| F | SER90 |
| F | HOH304 |
| F | HOH963 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PO4 G 238 |
| Chain | Residue |
| G | GLY20 |
| G | ARG87 |
| G | GLY89 |
| G | SER90 |
| G | HOH317 |
| J | ARG43 |
| site_id | AC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PO4 H 238 |
| Chain | Residue |
| H | GLY20 |
| H | ARG87 |
| H | GLY89 |
| H | SER90 |
| H | HOH350 |
| H | HOH771 |
| K | ARG43 |
| site_id | AC9 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PO4 I 238 |
| Chain | Residue |
| I | GLY20 |
| I | ARG87 |
| I | GLY89 |
| I | SER90 |
| I | HOH484 |
| I | HOH1071 |
| L | ARG43 |
| site_id | BC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PO4 J 238 |
| Chain | Residue |
| G | ARG43 |
| J | GLY20 |
| J | ARG87 |
| J | GLY89 |
| J | SER90 |
| J | HOH503 |
| J | HOH965 |
| site_id | BC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PO4 K 238 |
| Chain | Residue |
| H | ARG43 |
| K | GLY20 |
| K | ARG87 |
| K | GLY89 |
| K | SER90 |
| K | HOH561 |
| K | HOH564 |
| K | HOH575 |
| site_id | BC3 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PO4 L 238 |
| Chain | Residue |
| I | ARG43 |
| L | GLY20 |
| L | ARG87 |
| L | GLY89 |
| L | SER90 |
| L | HOH639 |
| L | HOH904 |
| L | HOH905 |
| site_id | BC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PO4 L 239 |
| Chain | Residue |
| K | PRO96 |
| K | GLU171 |
| K | ARG207 |
| L | GLY164 |
| L | GLU165 |
| L | HOH1217 |
| site_id | BC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 L 240 |
| Chain | Residue |
| D | LYS53 |
| D | LYS226 |
| L | ARG101 |
| L | HOH656 |
Functional Information from PROSITE/UniProt
| site_id | PS01232 |
| Number of Residues | 16 |
| Details | PNP_UDP_1 Purine and other phosphorylases family 1 signature. GhGMGiPScSIytkEL |
| Chain | Residue | Details |
| A | GLY61-LEU76 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 12 |
| Details | Active site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 12 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 60 |
| Details | Binding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"11786017","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21672603","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1K9S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3ONV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OPV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 12 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11786017","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21672603","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1K9S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3ONV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OOH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3OPV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 36 |
| Details | Binding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4TS3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TS9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TTJ","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 12 |
| Details | Site: {"description":"Important for catalytic activity","evidences":[{"source":"HAMAP-Rule","id":"MF_01627","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"21672603","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30337572","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 12 |
| Details | Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| A | GLY20 | electrostatic stabiliser |
| A | ALA24 | electrostatic stabiliser |
| A | ARG43 | electrostatic stabiliser |
| A | ARG87 | electrostatic stabiliser |
| A | SER90 | electrostatic stabiliser |
| A | ASP204 | proton shuttle (general acid/base) |
| A | ARG217 | enhance reactivity |
| site_id | MCSA10 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| J | GLY20 | electrostatic stabiliser |
| J | ALA24 | electrostatic stabiliser |
| J | ARG43 | electrostatic stabiliser |
| J | ARG87 | electrostatic stabiliser |
| J | SER90 | electrostatic stabiliser |
| J | ASP204 | proton shuttle (general acid/base) |
| J | ARG217 | enhance reactivity |
| site_id | MCSA11 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| K | GLY20 | electrostatic stabiliser |
| K | ALA24 | electrostatic stabiliser |
| K | ARG43 | electrostatic stabiliser |
| K | ARG87 | electrostatic stabiliser |
| K | SER90 | electrostatic stabiliser |
| K | ASP204 | proton shuttle (general acid/base) |
| K | ARG217 | enhance reactivity |
| site_id | MCSA12 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| L | GLY20 | electrostatic stabiliser |
| L | ALA24 | electrostatic stabiliser |
| L | ARG43 | electrostatic stabiliser |
| L | ARG87 | electrostatic stabiliser |
| L | SER90 | electrostatic stabiliser |
| L | ASP204 | proton shuttle (general acid/base) |
| L | ARG217 | enhance reactivity |
| site_id | MCSA2 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| B | GLY20 | electrostatic stabiliser |
| B | ALA24 | electrostatic stabiliser |
| B | ARG43 | electrostatic stabiliser |
| B | ARG87 | electrostatic stabiliser |
| B | SER90 | electrostatic stabiliser |
| B | ASP204 | proton shuttle (general acid/base) |
| B | ARG217 | enhance reactivity |
| site_id | MCSA3 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| C | GLY20 | electrostatic stabiliser |
| C | ALA24 | electrostatic stabiliser |
| C | ARG43 | electrostatic stabiliser |
| C | ARG87 | electrostatic stabiliser |
| C | SER90 | electrostatic stabiliser |
| C | ASP204 | proton shuttle (general acid/base) |
| C | ARG217 | enhance reactivity |
| site_id | MCSA4 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| D | GLY20 | electrostatic stabiliser |
| D | ALA24 | electrostatic stabiliser |
| D | ARG43 | electrostatic stabiliser |
| D | ARG87 | electrostatic stabiliser |
| D | SER90 | electrostatic stabiliser |
| D | ASP204 | proton shuttle (general acid/base) |
| D | ARG217 | enhance reactivity |
| site_id | MCSA5 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| E | GLY20 | electrostatic stabiliser |
| E | ALA24 | electrostatic stabiliser |
| E | ARG43 | electrostatic stabiliser |
| E | ARG87 | electrostatic stabiliser |
| E | SER90 | electrostatic stabiliser |
| E | ASP204 | proton shuttle (general acid/base) |
| E | ARG217 | enhance reactivity |
| site_id | MCSA6 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| F | GLY20 | electrostatic stabiliser |
| F | ALA24 | electrostatic stabiliser |
| F | ARG43 | electrostatic stabiliser |
| F | ARG87 | electrostatic stabiliser |
| F | SER90 | electrostatic stabiliser |
| F | ASP204 | proton shuttle (general acid/base) |
| F | ARG217 | enhance reactivity |
| site_id | MCSA7 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| G | GLY20 | electrostatic stabiliser |
| G | ALA24 | electrostatic stabiliser |
| G | ARG43 | electrostatic stabiliser |
| G | ARG87 | electrostatic stabiliser |
| G | SER90 | electrostatic stabiliser |
| G | ASP204 | proton shuttle (general acid/base) |
| G | ARG217 | enhance reactivity |
| site_id | MCSA8 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| H | GLY20 | electrostatic stabiliser |
| H | ALA24 | electrostatic stabiliser |
| H | ARG43 | electrostatic stabiliser |
| H | ARG87 | electrostatic stabiliser |
| H | SER90 | electrostatic stabiliser |
| H | ASP204 | proton shuttle (general acid/base) |
| H | ARG217 | enhance reactivity |
| site_id | MCSA9 |
| Number of Residues | 7 |
| Details | M-CSA 375 |
| Chain | Residue | Details |
| I | GLY20 | electrostatic stabiliser |
| I | ALA24 | electrostatic stabiliser |
| I | ARG43 | electrostatic stabiliser |
| I | ARG87 | electrostatic stabiliser |
| I | SER90 | electrostatic stabiliser |
| I | ASP204 | proton shuttle (general acid/base) |
| I | ARG217 | enhance reactivity |






