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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3d1k-A-200	`sad. +0.08 ruf. -0.34 dom. -0.24 bre. -0.10`	HIS	chainID: A, resSeq: 88, molecule: Hemoglobin subunit alpha-1	oxygen carrier oligomeric count: 4 pocket vol.: 512.0 Å³ d(Fe-oop): 0.016 Å
3d1k-A-200	`sad. +0.08 ruf. -0.34 dom. -0.24 bre. -0.10`	CMO	chainID: A, resSeq: 199, molecule: CARBON MONOXIDE
3d1k-B-400	`sad. +0.11 ruf. -0.21 dom. -0.32 bre. -0.09`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin subunit beta-1/2	oxygen carrier oligomeric count: 4 pocket vol.: 531.0 Å³ d(Fe-oop): 0.097 Å
3d1k-B-400	`sad. +0.11 ruf. -0.21 dom. -0.32 bre. -0.09`	HOH	chainID: B, resSeq: 399, molecule: water