6BX8
Human Mesotrypsin (PRSS3) Complexed with Tissue Factor Pathway Inhibitor Variant (TFPI1-KD1-K15R-I17C-I34C)
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004252 | molecular_function | serine-type endopeptidase activity |
| A | 0006508 | biological_process | proteolysis |
| B | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| C | 0004252 | molecular_function | serine-type endopeptidase activity |
| C | 0006508 | biological_process | proteolysis |
| D | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| E | 0004252 | molecular_function | serine-type endopeptidase activity |
| E | 0006508 | biological_process | proteolysis |
| F | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| G | 0004252 | molecular_function | serine-type endopeptidase activity |
| G | 0006508 | biological_process | proteolysis |
| H | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 B 101 |
| Chain | Residue |
| A | TYR20 |
| A | THR21 |
| B | ARG20 |
| B | ARG44 |
| B | HOH202 |
| B | HOH217 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 C 301 |
| Chain | Residue |
| D | ARG44 |
| D | GLU46 |
| D | HOH107 |
| D | HOH116 |
| D | HOH138 |
| C | TYR20 |
| C | THR21 |
| D | ARG20 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 F 101 |
| Chain | Residue |
| E | TYR20 |
| E | THR21 |
| E | ARG96 |
| E | HOH476 |
| F | ARG20 |
| F | ARG44 |
| F | HOH205 |
| F | HOH208 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 H 101 |
| Chain | Residue |
| G | GLY18 |
| G | LYS188 |
| H | ARG20 |
| H | TYR35 |
| H | ARG44 |
Functional Information from PROSITE/UniProt
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC |
| Chain | Residue | Details |
| A | VAL53-CYS58 |
| site_id | PS00280 |
| Number of Residues | 19 |
| Details | BPTI_KUNITZ_1 Pancreatic trypsin inhibitor (Kunitz) family signature. FcyGGCegnqnrFesleeC |
| Chain | Residue | Details |
| B | PHE33-CYS51 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 880 |
| Details | Domain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 12 |
| Details | Active site: {"description":"Charge relay system","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 12 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11827488","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25301953","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1H4W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L33","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L3T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P92","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P95","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U30","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5JBT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TP0","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11827488","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25301953","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1H4W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L33","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L3T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P92","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P95","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U30","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5JBT","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11827488","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25301953","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27810896","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1H4W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L33","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L3T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P92","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3P95","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4U32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5JBT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5TP0","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 4 |
| Details | Site: {"description":"Required for specificity","evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 4 |
| Details | Modified residue: {"description":"Sulfotyrosine","evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 200 |
| Details | Domain: {"description":"BPTI/Kunitz inhibitor 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00031","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 4 |
| Details | Site: {"description":"Reactive bond"} |
| Chain | Residue | Details |
