2Q7G:
reference: Structure of pyrrolysyl-tRNA synthetase, an archaeal enzyme for genetic code innovation., Kavran JM, Gundllapalli S, O'donoghue P, Englert M, Soll D, Steitz TA, Proc Natl Acad Sci U S A. 2007 Jul 3;104(27):11268-73. Epub 2007 Jun 25. PMID: 17592110

This OCA Structure page
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