1EJM
CRYSTAL STRUCTURE OF THE BPTI ALA16LEU MUTANT IN COMPLEX WITH BOVINE TRYPSIN
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C, E (A, C, E) | BETA-TRYPSIN | polymer | 223 | 23324.3 | 3 | UniProt (P00760) Pfam (PF00089) | Bos taurus (cattle) | |
| 2 | B, D, F (B, D, F) | PANCREATIC TRYPSIN INHIBITOR | polymer | 58 | 6579.6 | 3 | UniProt (P00974) Pfam (PF00014) | Bos taurus (cattle) | BASIC PROTEASE INHIBITOR, BPI, APROTININ |
| 3 | G, H, I, J, K... (A, B, C, D, E...) | SULFATE ION | non-polymer | 96.1 | 12 | Chemie (SO4) | |||
| 4 | S, T, U, V, W... (A, B, C, D, E...) | water | water | 18.0 | 611 | Chemie (HOH) |
Sequence modifications
B, D, F: 501 - 558 (UniProt: P00974)
| PDB | External Database | Details |
|---|---|---|
| Arg 515 | Lys 50 | engineered mutation |
| Leu 516 | Arg 51 | engineered mutation |
| Leu 552 | Met 87 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 89711.7 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 1152.8 | |
| All* | Total formula weight | 90864.5 |






