| 3KX5: reference: Glutamate-haem ester bond formation is disfavoured in flavocytochrome P450 BM3: characterization of glutamate substitution mutants at the haem site of P450 BM3., Girvan HM, Levy CW, Williams P, Fisher K, Cheesman MR, Rigby SE, Leys D, Munro AW, Biochem J. 2010 Apr 14;427(3):455-66. PMID: 20180779 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).