1LU0
Atomic Resolution Structure of Squash Trypsin Inhibitor: Unexpected Metal Coordination
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Trypsin inhibitor I | polymer | 29 | 3261.9 | 2 | UniProt (P01074) Pfam (PF00299) | Cucurbita maxima (winter squash) | CMTI-I |
| 2 | C (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | D, G (A, B) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 4 | E (B) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | F (B) | (4R)-2-METHYLPENTANE-2,4-DIOL | non-polymer | 118.2 | 1 | Chemie (MRD) | |||
| 6 | H, I (A, B) | water | water | 18.0 | 76 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 29 (UniProt: P01074)
| PDB | External Database | Details |
|---|---|---|
| Leu 8 | Met 8 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 6523.8 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 463.8 | |
| All* | Total formula weight | 6987.6 |
