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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1xzu-A-142	`sad. +0.14 ruf. -0.26 dom. -0.57 bre. -0.13`	HIS	chainID: A, resSeq: 87, molecule: Hemoglobin alpha chain	oxygen carrier oligomeric count: 4 pocket vol.: 529.0 Å³ d(Fe-oop): 0.196 Å
1xzu-A-142	`sad. +0.14 ruf. -0.26 dom. -0.57 bre. -0.13`	HOH	chainID: A, resSeq: 219, molecule: water
1xzu-B-147	`sad. +0.39 ruf. +0.10 dom. -0.42 bre. -0.04`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 599.0 Å³ d(Fe-oop): 0.325 Å
1xzu-B-147	`sad. +0.39 ruf. +0.10 dom. -0.42 bre. -0.04`	Not assigned.
1xzu-C-142	`sad. +0.30 ruf. -0.25 dom. -0.57 bre. -0.06`	HIS	chainID: C, resSeq: 87, molecule: Hemoglobin alpha chain	oxygen carrier oligomeric count: 4 pocket vol.: 557.0 Å³ d(Fe-oop): 0.317 Å
1xzu-C-142	`sad. +0.30 ruf. -0.25 dom. -0.57 bre. -0.06`	Not assigned.
1xzu-D-147	`sad. +0.39 ruf. +0.09 dom. -0.45 bre. -0.12`	HIS	chainID: D, resSeq: 92, molecule: Hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 572.0 Å³ d(Fe-oop): 0.263 Å
1xzu-D-147	`sad. +0.39 ruf. +0.09 dom. -0.45 bre. -0.12`	Not assigned.