2VLG:
reference: Changes at the KinA PAS-A Dimerization Interface Influence Histidine Kinase Function(,)., Lee J, Tomchick DR, Brautigam CA, Machius M, Kort R, Hellingwerf KJ, Gardner KH, Biochemistry. 2008 Mar 7;. PMID: 18324779

This OCA Structure page
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