4QAU:
reference: A Novel Tyrosine-Heme CO Covalent Linkage in F43Y Myoglobin: A New Post-translational Modification of Heme Proteins., Yan DJ, Li W, Xiang Y, Wen GB, Lin YW, Tan X, Chembiochem. 2015 Jan 2;16(1):47-50. doi: 10.1002/cbic.201402504. Epub 2014 Nov, 12. PMID: 25392956

This OCA Structure page
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