1PQ5
Trypsin at pH 5, 0.85 A
Functional Information from GO Data
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 A 601 |
| Chain | Residue |
| A | ARG88 |
| A | SER184 |
| A | SER185 |
| A | HOH852 |
| A | HOH878 |
| A | HOH895 |
| A | HOH896 |
| A | HOH961 |
| A | HOH1063 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 A 602 |
| Chain | Residue |
| A | ARG119 |
| A | ALA122 |
| A | ASN220 |
| A | ARG232 |
| A | HOH804 |
| A | HOH805 |
| A | HOH937 |
| A | HOH979 |
| A | HOH980 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE SO4 A 603 |
| Chain | Residue |
| A | GLN63 |
| A | GLY112 |
| A | GLY113 |
| A | HOH776 |
| A | HOH842 |
| A | HOH921 |
| A | HOH1115 |
| A | HOH1132 |
| A | HOH1151 |
| A | HOH1165 |
| site_id | AC4 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE ARG A 703 |
| Chain | Residue |
| A | HIS56 |
| A | ASP189 |
| A | SER190 |
| A | CYS191 |
| A | GLN192 |
| A | GLY193 |
| A | ASP194 |
| A | SER195 |
| A | VAL210 |
| A | SER211 |
| A | GLY215 |
| A | GLY223 |
| A | HOH704 |
| A | HOH705 |
| A | HOH802 |
| A | HOH827 |
| A | HOH837 |
| A | HOH884 |
Functional Information from PROSITE/UniProt
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 3 |
| Details | ACT_SITE: Charge relay system |
| Chain | Residue | Details |
| A | HIS56 | |
| A | ASP99 | |
| A | SER195 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | SITE: Required for specificity |
| Chain | Residue | Details |
| A | ASP189 |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| A | HIS56 | |
| A | ASP99 |
| site_id | CSA2 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| A | SER195 | |
| A | GLY196 |
| site_id | CSA3 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| A | SER195 | |
| A | GLY193 |
| site_id | CSA4 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| A | SER195 | |
| A | HIS56 | |
| A | ASP99 |
| site_id | CSA5 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| A | SER195 | |
| A | GLY193 | |
| A | HIS56 | |
| A | ASP99 |
| site_id | CSA6 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| A | SER195 | |
| A | HIS56 | |
| A | ASP99 | |
| A | GLY196 |
| site_id | CSA7 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| A | SER195 | |
| A | SER211 | |
| A | GLY193 | |
| A | HIS56 | |
| A | ASP99 |
| site_id | MCSA1 |
| Number of Residues | 6 |
| Details | M-CSA 173 |
| Chain | Residue | Details |
| A | HIS56 | hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| A | ASP99 | activator, electrostatic stabiliser, hydrogen bond acceptor |
| A | GLN192 | electrostatic stabiliser, hydrogen bond donor, transition state stabiliser |
| A | GLY193 | electrostatic stabiliser, hydrogen bond donor, transition state stabiliser |
| A | ASP194 | electrostatic stabiliser, hydrogen bond donor, transition state stabiliser |
| A | SER195 | electrostatic stabiliser, transition state stabiliser |
