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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1rq4-A-142	`sad. +0.25 ruf. -0.19 dom. +0.15 bre. -0.07`	NO	chainID: A, resSeq: 150, molecule: NITRIC OXIDE	oxygen carrier oligomeric count: 4 pocket vol.: 587.0 Å³ d(Fe-oop): 0.197 Å
1rq4-A-142	`sad. +0.25 ruf. -0.19 dom. +0.15 bre. -0.07`	Not assigned.
1rq4-B-147	`sad. +0.28 ruf. +0.29 dom. -0.26 bre. -0.11`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 606.0 Å³ d(Fe-oop): 0.027 Å
1rq4-B-147	`sad. +0.28 ruf. +0.29 dom. -0.26 bre. -0.11`	NO	chainID: B, resSeq: 150, molecule: NITRIC OXIDE
1rq4-C-142	`sad. +0.33 ruf. -0.14 dom. +0.23 bre. +0.02`	NO	chainID: C, resSeq: 150, molecule: NITRIC OXIDE	oxygen carrier oligomeric count: 4 pocket vol.: 572.0 Å³ d(Fe-oop): 0.179 Å
1rq4-C-142	`sad. +0.33 ruf. -0.14 dom. +0.23 bre. +0.02`	Not assigned.
1rq4-D-147	`sad. +0.47 ruf. +0.20 dom. -0.27 bre. -0.04`	HIS	chainID: D, resSeq: 92, molecule: Hemoglobin beta chain	oxygen carrier oligomeric count: 4 pocket vol.: 582.0 Å³ d(Fe-oop): 0.115 Å
1rq4-D-147	`sad. +0.47 ruf. +0.20 dom. -0.27 bre. -0.04`	NO	chainID: D, resSeq: 150, molecule: NITRIC OXIDE