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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3d4x-A-143	`sad. +0.16 ruf. -0.39 dom. -0.27 bre. -0.32`	HIS	chainID: A, resSeq: 87, molecule: Hemoglobin subunit alpha	oxygen carrier oligomeric count: 4 pocket vol.: 561.0 Å³ d(Fe-oop): 0.027 Å
3d4x-A-143	`sad. +0.16 ruf. -0.39 dom. -0.27 bre. -0.32`	HOH	chainID: A, resSeq: 142, molecule: water
3d4x-B-148	`sad. +0.06 ruf. -0.04 dom. -0.33 bre. -0.39`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin subunit beta-A/B	oxygen carrier oligomeric count: 4 pocket vol.: 614.0 Å³ d(Fe-oop): 0.041 Å
3d4x-B-148	`sad. +0.06 ruf. -0.04 dom. -0.33 bre. -0.39`	HOH	chainID: B, resSeq: 151, molecule: water
3d4x-C-143	`sad. +0.03 ruf. -0.35 dom. -0.21 bre. -0.35`	HIS	chainID: C, resSeq: 87, molecule: Hemoglobin subunit alpha	oxygen carrier oligomeric count: 4 pocket vol.: 537.0 Å³ d(Fe-oop): 0.003 Å
3d4x-C-143	`sad. +0.03 ruf. -0.35 dom. -0.21 bre. -0.35`	HOH	chainID: C, resSeq: 142, molecule: water
3d4x-D-148	`sad. +0.03 ruf. -0.24 dom. -0.30 bre. -0.29`	HIS	chainID: D, resSeq: 92, molecule: Hemoglobin subunit beta-A/B	oxygen carrier oligomeric count: 4 pocket vol.: 545.0 Å³ d(Fe-oop): 0.042 Å
3d4x-D-148	`sad. +0.03 ruf. -0.24 dom. -0.30 bre. -0.29`	HOH	chainID: D, resSeq: 164, molecule: water