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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2r1h-A-143	`sad. -0.01 ruf. +0.07 dom. -0.45 bre. -0.26`	HIS	chainID: A, resSeq: 88, molecule: Hemoglobin subunit alpha-4	oxygen carrier oligomeric count: 4 pocket vol.: 534.0 Å³ d(Fe-oop): 0.113 Å
2r1h-A-143	`sad. -0.01 ruf. +0.07 dom. -0.45 bre. -0.26`	HOH	chainID: A, resSeq: 155, molecule: water
2r1h-B-148	`sad. +0.19 ruf. -0.03 dom. -0.35 bre. -0.28`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin subunit beta-4	oxygen carrier oligomeric count: 4 pocket vol.: 593.0 Å³ d(Fe-oop): 0.144 Å
2r1h-B-148	`sad. +0.19 ruf. -0.03 dom. -0.35 bre. -0.28`	HOH	chainID: B, resSeq: 2785, molecule: water
2r1h-C-143	`sad. -0.06 ruf. +0.09 dom. -0.37 bre. -0.25`	HIS	chainID: C, resSeq: 88, molecule: Hemoglobin subunit alpha-4	oxygen carrier oligomeric count: 4 pocket vol.: 497.0 Å³ d(Fe-oop): 0.125 Å
2r1h-C-143	`sad. -0.06 ruf. +0.09 dom. -0.37 bre. -0.25`	HOH	chainID: C, resSeq: 2782, molecule: water
2r1h-D-148	`sad. -0.02 ruf. -0.04 dom. -0.29 bre. -0.13`	HIS	chainID: D, resSeq: 92, molecule: Hemoglobin subunit beta-4	oxygen carrier oligomeric count: 4 pocket vol.: 579.0 Å³ d(Fe-oop): 0.117 Å
2r1h-D-148	`sad. -0.02 ruf. -0.04 dom. -0.29 bre. -0.13`	Not assigned.