3QTL
Structural Basis for Dual-inhibition Mechanism of a Non-classical Kazal-type Serine Protease Inhibitor from Horseshoe Crab in Complex with Subtilisin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C | Subtilisin-like serin protease | polymer | 274 | 27306.2 | 3 | UniProt (Q1EM64) Pfam (PF00082) UniProt (by SIFTS) (Q6PNN5) In PDB | Bacillus licheniformis | |
| 2 | D | Kazal-type serine protease inhibitor SPI-1 | polymer | 75 | 8311.4 | 1 | UniProt (A1X1V8) Pfam (PF00050) Pfam (PF07648) In PDB | Carcinoscorpius rotundicauda (mangrove horseshoe crab) | |
| 3 | water | water | 18.0 | 157 | Chemie (HOH) |
Sequence modifications
D: 0 - 74 (UniProt: A1X1V8)
| PDB | External Database | Details |
|---|---|---|
| - | Val 90 | deletion |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 90230.0 | |
| All* | Total formula weight | 90230.0 |
