1RVE B PRELIMINARY 24-FEB-92 ECO RV ENDONUCLEASE (E.C.3.1.21.4) DOMAIN 1: [Assigned by homology with 1RVEA]B 2 to B 245 ; The following residues NOT assigned to any domain: Chain "B" 2 - 245 [PDB Header] [PREPI] [RASMOL] [NCBI ENTREZ] [SCOP]