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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3onz-A-143	`sad. +0.06 ruf. -0.60 dom. -0.31 bre. -0.26`	HIS	chainID: A, resSeq: 87, molecule: Hemoglobin subunit alpha	oxygen carrier oligomeric count: 4 pocket vol.: 532.0 Å³ d(Fe-oop): 0.010 Å
3onz-A-143	`sad. +0.06 ruf. -0.60 dom. -0.31 bre. -0.26`	NO2	chainID: A, resSeq: 142, molecule: NITRITE ION
3onz-B-148	`sad. +0.04 ruf. -0.45 dom. +0.22 bre. -0.26`	HIS	chainID: B, resSeq: 63, molecule: Hemoglobin subunit beta	oxygen carrier oligomeric count: 4 pocket vol.: 741.0 Å³ d(Fe-oop): 0.098 Å
3onz-B-148	`sad. +0.04 ruf. -0.45 dom. +0.22 bre. -0.26`	NO2	chainID: B, resSeq: 147, molecule: NITRITE ION