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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1v4x-A-144	`sad. +0.14 ruf. -0.16 dom. -0.34 bre. -0.30`	HIS	chainID: A, resSeq: 89, molecule: hemoglobin alpha chain	oxygen carrier oligomeric count: 4 pocket vol.: 524.0 Å³ d(Fe-oop): 0.378 Å
1v4x-A-144	`sad. +0.14 ruf. -0.16 dom. -0.34 bre. -0.30`	Not assigned.
1v4x-B-347	`sad. +0.27 ruf. -0.18 dom. -0.39 bre. -0.29`	HIS	chainID: B, resSeq: 292, molecule: hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 560.0 Å³ d(Fe-oop): 0.312 Å
1v4x-B-347	`sad. +0.27 ruf. -0.18 dom. -0.39 bre. -0.29`	Not assigned.
1v4x-C-544	`sad. +0.09 ruf. +0.10 dom. -0.41 bre. -0.18`	HIS	chainID: C, resSeq: 489, molecule: hemoglobin alpha chain	oxygen carrier oligomeric count: 4 pocket vol.: 529.0 Å³ d(Fe-oop): 0.383 Å
1v4x-C-544	`sad. +0.09 ruf. +0.10 dom. -0.41 bre. -0.18`	Not assigned.
1v4x-D-747	`sad. +0.30 ruf. +0.00 dom. -0.27 bre. -0.33`	HIS	chainID: D, resSeq: 692, molecule: hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 590.0 Å³ d(Fe-oop): 0.344 Å
1v4x-D-747	`sad. +0.30 ruf. +0.00 dom. -0.27 bre. -0.33`	Not assigned.