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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3d1a-A-142	`sad. -0.03 ruf. -0.07 dom. -0.51 bre. -0.18`	HIS	chainID: A, resSeq: 87, molecule: Hemoglobin subunit alpha-1/2	oxygen carrier oligomeric count: 4 pocket vol.: 517.0 Å³ d(Fe-oop): 0.047 Å
3d1a-A-142	`sad. -0.03 ruf. -0.07 dom. -0.51 bre. -0.18`	HOH	chainID: A, resSeq: 156, molecule: water
3d1a-B-147	`sad. +0.19 ruf. -0.15 dom. -0.57 bre. -0.13`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin subunit beta-A	oxygen carrier oligomeric count: 4 pocket vol.: 545.0 Å³ d(Fe-oop): 0.025 Å
3d1a-B-147	`sad. +0.19 ruf. -0.15 dom. -0.57 bre. -0.13`	HOH	chainID: B, resSeq: 148, molecule: water
3d1a-C-142	`sad. -0.04 ruf. -0.53 dom. -0.24 bre. -0.21`	HIS	chainID: C, resSeq: 87, molecule: Hemoglobin subunit alpha-1/2	oxygen carrier oligomeric count: 4 pocket vol.: 561.0 Å³ d(Fe-oop): 0.068 Å
3d1a-C-142	`sad. -0.04 ruf. -0.53 dom. -0.24 bre. -0.21`	HOH	chainID: C, resSeq: 153, molecule: water
3d1a-D-147	`sad. +0.15 ruf. -0.08 dom. -0.29 bre. -0.19`	HIS	chainID: D, resSeq: 92, molecule: Hemoglobin subunit beta-A	oxygen carrier oligomeric count: 4 pocket vol.: 538.0 Å³ d(Fe-oop): 0.015 Å
3d1a-D-147	`sad. +0.15 ruf. -0.08 dom. -0.29 bre. -0.19`	HOH	chainID: D, resSeq: 154, molecule: water