4QDK:
reference: Structural insights into the catalytic mechanism of Synechocystis magnesium protoporphyrin IX O-methyltransferase (ChlM)., Chen X, Wang X, Feng J, Chen Y, Fang Y, Zhao S, Zhao A, Zhang M, Liu L, J Biol Chem. 2014 Sep 12;289(37):25690-8. doi: 10.1074/jbc.M114.584920. Epub 2014, Jul 30. PMID: 25077963

This OCA Structure page
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