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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1spg-A-144	`sad. +0.38 ruf. -0.43 dom. -0.26 bre. +0.02`	HIS	chainID: A, resSeq: 89, molecule: HEMOGLOBIN	oxygen carrier oligomeric count: 4 pocket vol.: 597.0 Å³ d(Fe-oop): 0.155 Å
1spg-A-144	`sad. +0.38 ruf. -0.43 dom. -0.26 bre. +0.02`	CMO	chainID: A, resSeq: 145, molecule: CARBON MONOXIDE
1spg-B-148	`sad. +0.27 ruf. -0.20 dom. -0.13 bre. -0.10`	HIS	chainID: B, resSeq: 92, molecule: HEMOGLOBIN	oxygen carrier oligomeric count: 4 pocket vol.: 600.0 Å³ d(Fe-oop): 0.053 Å
1spg-B-148	`sad. +0.27 ruf. -0.20 dom. -0.13 bre. -0.10`	CMO	chainID: B, resSeq: 149, molecule: CARBON MONOXIDE