| 2GNK: reference: GlnK, a PII-homologue: structure reveals ATP binding site and indicates how the T-loops may be involved in molecular recognition., Xu Y, Cheah E, Carr PD, van Heeswijk WC, Westerhoff HV, Vasudevan SG, Ollis DL, J Mol Biol 1998 Sep 11;282(1):149-65. PMID: 9733647 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).