4L2M:
reference: The 2/2 hemoglobin from the cyanobacterium Synechococcus sp. PCC 7002 with covalently attached heme: Comparison of X-ray and NMR structures., Wenke BB, Lecomte JT, Heroux A, Schlessman JL, Proteins. 2013 Sep 2. doi: 10.1002/prot.24409. PMID: 23999883

This OCA Structure page
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