1RIL:
reference: Crystal structure of ribonuclease H from Thermus thermophilus HB8 refined at 2.8 A resolution., Ishikawa K, Okumura M, Katayanagi K, Kimura S, Kanaya S, Nakamura H, Morikawa K, J Mol Biol 1993 Mar 20;230(2):529-42. PMID: 8385228

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).