4U30
Human mesotrypsin complexed with bikunin Kunitz domain 2
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004252 | molecular_function | serine-type endopeptidase activity |
| A | 0006508 | biological_process | proteolysis |
| B | 0004252 | molecular_function | serine-type endopeptidase activity |
| B | 0006508 | biological_process | proteolysis |
| C | 0004252 | molecular_function | serine-type endopeptidase activity |
| C | 0006508 | biological_process | proteolysis |
| D | 0004252 | molecular_function | serine-type endopeptidase activity |
| D | 0006508 | biological_process | proteolysis |
| W | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| X | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| Y | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| Z | 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 CA A 301 |
| Chain | Residue |
| A | GLU70 |
| A | ASN72 |
| A | VAL75 |
| A | GLU77 |
| A | GLU80 |
| A | HOH423 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue CA B 301 |
| Chain | Residue |
| B | GLU77 |
| B | GLU80 |
| B | HOH408 |
| B | GLU70 |
| B | ASN72 |
| B | VAL75 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | binding site for residue CA C 301 |
| Chain | Residue |
| C | GLU70 |
| C | ASN72 |
| C | VAL75 |
| C | GLU77 |
| C | GLU80 |
| C | HOH414 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue CA D 301 |
| Chain | Residue |
| D | GLU70 |
| D | ASN72 |
| D | VAL75 |
| D | GLU77 |
| D | GLU80 |
| D | HOH441 |
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. FpyGGCqgngnkFysekeC |
| Chain | Residue | Details |
| X | PHE33-CYS51 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 12 |
| Details | ACT_SITE: Charge relay system => ECO:0000255|PROSITE-ProRule:PRU00274, ECO:0000305|PubMed:27810896 |
| Chain | Residue | Details |
| A | HIS57 | |
| D | HIS57 | |
| D | ASP102 | |
| D | ALA195 | |
| A | ASP102 | |
| A | ALA195 | |
| B | HIS57 | |
| B | ASP102 | |
| B | ALA195 | |
| C | HIS57 | |
| C | ASP102 | |
| C | ALA195 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 12 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:11827488, ECO:0000269|PubMed:25301953, ECO:0000269|PubMed:27810896, ECO:0007744|PDB:1H4W, ECO:0007744|PDB:3L33, ECO:0007744|PDB:3L3T, ECO:0007744|PDB:3P92, ECO:0007744|PDB:3P95, ECO:0007744|PDB:4U30, ECO:0007744|PDB:4U32, ECO:0007744|PDB:5JBT, ECO:0007744|PDB:5TP0 |
| Chain | Residue | Details |
| A | GLU70 | |
| D | GLU70 | |
| D | ASN72 | |
| D | VAL75 | |
| A | ASN72 | |
| A | VAL75 | |
| B | GLU70 | |
| B | ASN72 | |
| B | VAL75 | |
| C | GLU70 | |
| C | ASN72 | |
| C | VAL75 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 4 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:11827488, ECO:0000269|PubMed:25301953, ECO:0000269|PubMed:27810896, ECO:0007744|PDB:1H4W, ECO:0007744|PDB:3L33, ECO:0007744|PDB:3L3T, ECO:0007744|PDB:3P92, ECO:0007744|PDB:3P95, ECO:0007744|PDB:4U30, ECO:0007744|PDB:4U32, ECO:0007744|PDB:5JBT |
| Chain | Residue | Details |
| A | GLU77 | |
| B | GLU77 | |
| C | GLU77 | |
| D | GLU77 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 4 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:11827488, ECO:0000269|PubMed:25301953, ECO:0000269|PubMed:27810896, ECO:0007744|PDB:1H4W, ECO:0007744|PDB:3L33, ECO:0007744|PDB:3L3T, ECO:0007744|PDB:3P92, ECO:0007744|PDB:3P95, ECO:0007744|PDB:4U32, ECO:0007744|PDB:5JBT, ECO:0007744|PDB:5TP0 |
| Chain | Residue | Details |
| A | GLU80 | |
| B | GLU80 | |
| C | GLU80 | |
| D | GLU80 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 4 |
| Details | SITE: Required for specificity => ECO:0000250 |
| Chain | Residue | Details |
| A | ASP189 | |
| B | ASP189 | |
| C | ASP189 | |
| D | ASP189 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 4 |
| Details | MOD_RES: Sulfotyrosine => ECO:0000250 |
| Chain | Residue | Details |
| A | TYR151 | |
| B | TYR151 | |
| C | TYR151 | |
| D | TYR151 |
