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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4yu3-A-201	`sad. +0.24 ruf. -0.51 dom. -0.12 bre. -0.23`	HIS	chainID: A, resSeq: 87, molecule: hemoglobin	oxygen carrier oligomeric count: 4 pocket vol.: 546.0 Å³ d(Fe-oop): 0.021 Å
4yu3-A-201	`sad. +0.24 ruf. -0.51 dom. -0.12 bre. -0.23`	OXY	chainID: A, resSeq: 202, molecule: OXYGEN MOLECULE
4yu3-B-201	`sad. +0.28 ruf. -0.21 dom. -0.31 bre. -0.35`	HIS	chainID: B, resSeq: 92, molecule: hemoglobin	oxygen carrier oligomeric count: 4 pocket vol.: 580.0 Å³ d(Fe-oop): 0.013 Å
4yu3-B-201	`sad. +0.28 ruf. -0.21 dom. -0.31 bre. -0.35`	OXY	chainID: B, resSeq: 202, molecule: OXYGEN MOLECULE