8KDU
Crystal structure of trypsin with its substrate
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Cationic trypsin | polymer | 223 | 23324.3 | 1 | UniProt (P00760) In PDB | Bos taurus (cattle) | Beta-trypsin |
| 2 | A | ethyl (2~{S})-2-benzamido-5-carbamimidamido-pentanoate | non-polymer | 306.4 | 1 | Chemie (I4Q) | |||
| 3 | A | (2~{R})-2-benzamido-5-carbamimidamido-pentanoic acid | non-polymer | 278.3 | 1 | Chemie (JNR) | |||
| 4 | A | ARGININE | non-polymer | 175.2 | 1 | Chemie (ARG) | |||
| 5 | A | GUANIDINE | non-polymer | 59.1 | 1 | Chemie (GAI) | |||
| 6 | A | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 7 | A | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 8 | A | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 9 | A | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 10 | A | ETHANOL | non-polymer | 46.1 | 2 | Chemie (EOH) | |||
| 11 | water | water | 18.0 | 189 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 23324.3 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 1259.7 | |
| All* | Total formula weight | 24584.0 |
