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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2hkx-A-300	`sad. +0.09 ruf. +0.60 dom. +0.18 bre. -0.30`	HIS	chainID: A, resSeq: 82, molecule: Carbon monoxide oxidation system transcription regulator CooA-1	unclassified oligomeric count: 2 pocket vol.: 560.0 Å³ d(Fe-oop): 0.042 Å
2hkx-A-300	`sad. +0.09 ruf. +0.60 dom. +0.18 bre. -0.30`	CMO	chainID: A, resSeq: 400, molecule: CARBON MONOXIDE