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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1xxt-A-142	`sad. +0.12 ruf. -0.27 dom. -0.73 bre. -0.05`	HIS	chainID: A, resSeq: 87, molecule: Hemoglobin alpha chain	oxygen carrier oligomeric count: 4 pocket vol.: 513.0 Å³ d(Fe-oop): 0.395 Å
1xxt-A-142	`sad. +0.12 ruf. -0.27 dom. -0.73 bre. -0.05`	Not assigned.
1xxt-B-147	`sad. +0.43 ruf. +0.12 dom. -0.47 bre. -0.07`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 591.0 Å³ d(Fe-oop): 0.367 Å
1xxt-B-147	`sad. +0.43 ruf. +0.12 dom. -0.47 bre. -0.07`	Not assigned.
1xxt-C-142	`sad. +0.25 ruf. -0.25 dom. -0.73 bre. -0.00`	HIS	chainID: C, resSeq: 87, molecule: Hemoglobin alpha chain	oxygen carrier oligomeric count: 4 pocket vol.: 549.0 Å³ d(Fe-oop): 0.509 Å
1xxt-C-142	`sad. +0.25 ruf. -0.25 dom. -0.73 bre. -0.00`	Not assigned.
1xxt-D-147	`sad. +0.47 ruf. +0.10 dom. -0.50 bre. -0.08`	HIS	chainID: D, resSeq: 92, molecule: Hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 582.0 Å³ d(Fe-oop): 0.379 Å
1xxt-D-147	`sad. +0.47 ruf. +0.10 dom. -0.50 bre. -0.08`	Not assigned.