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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1ix4-A-300	`sad. -0.03 ruf. -0.39 dom. -0.02 bre. -0.23`	HIS	chainID: A, resSeq: 25, molecule: HEME OXYGENASE-1	oxidoreductase oligomeric count: 1 pocket vol.: 589.0 Å³ d(Fe-oop): 0.014 Å
1ix4-A-300	`sad. -0.03 ruf. -0.39 dom. -0.02 bre. -0.23`	CMO	chainID: A, resSeq: 1001, molecule: CARBON MONOXIDE