4R9I
Crystal structure of cysteine proteinase inhibitor Serpin18 from Bombyx mori
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A (A) | Serpin-18 | polymer | 378 | 42904.4 | 1 | UniProt (C0J8G7) Pfam (PF00079) | Bombyx mori (silkworm) | serine/cysteine proteinase inhibitor |
2 | B (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
3 | C (A) | CITRATE ANION | non-polymer | 189.1 | 1 | Chemie (FLC) | |||
4 | D (A) | BETA-MERCAPTOETHANOL | non-polymer | 78.1 | 1 | Chemie (BME) | |||
5 | E (A) | water | water | 18.0 | 518 | Chemie (HOH) |
Sequence modifications
A: 21 - 392 (UniProt: C0J8G7)
PDB | External Database | Details |
---|---|---|
His 15 | - | expression tag |
His 16 | - | expression tag |
His 17 | - | expression tag |
His 18 | - | expression tag |
His 19 | - | expression tag |
Met 20 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 42904.4 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 290.2 | |
All* | Total formula weight | 43194.7 |