2P21
STRUCTURE OF $RAS PROTEIN
- DOI: 10.2210/pdb2P21/pdb
- Deposited: 1989-07-07 Released: 1989-07-12 
- Entry 2P21 was removed from the distribution of released PDB entries (status Obsolete) on 1992-07-15.
- It has been replaced (superseded) by 1Q21.