4N4C
Crystal structure of the C-terminal swapped dimer of a Bovine seminal ribonuclease mutant
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) | Seminal ribonuclease | polymer | 124 | 13721.7 | 2 | UniProt (P00669) Pfam (PF00074) | Bos taurus (bovine cow domestic cattle domestic cow) | S-RNase, Seminal RNase, Ribonuclease BS-1 |
| 2 | C, D (A) | PHOSPHATE ION | non-polymer | 95.0 | 2 | Chemie (PO4) | |||
| 3 | E, F (A, B) | water | water | 18.0 | 35 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 124 (UniProt: P00669)
| PDB | External Database | Details |
|---|---|---|
| Ser 16 | Gly 42 | engineered mutation |
| Thr 17 | Asn 43 | engineered mutation |
| Ala 19 | Pro 45 | engineered mutation |
| Ala 20 | Ser 46 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 27443.5 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 189.9 | |
| All* | Total formula weight | 27633.4 |
