1RPF
THE STRUCTURES OF RNASE COMPLEXED WITH 3'-CMP AND D(CPA): ACTIVE SITE CONFORMATION AND CONSERVED WATER MOLECULES
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | RIBONUCLEASE A | polymer | 124 | 13708.3 | 1 | UniProt (P61823) Pfam (PF00074)  | Bos taurus (cattle) | |
| 2 | B (A)  | CYTIDINE-3'-MONOPHOSPHATE | non-polymer | 323.2 | 1 | Chemie (C3P) | |||
| 3 | C (A)  | water | water | 18.0 | 115 | Chemie (HOH) | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 | 
| Total formula weight | 13708.3 | |
| Non-Polymers* | Number of molecules | 1 | 
| Total formula weight | 323.2 | |
| All* | Total formula weight | 14031.5 | 






