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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4g51-A-202	`sad. +0.17 ruf. +0.03 dom. -0.42 bre. -0.10`	HIS	chainID: A, resSeq: 88, molecule: Hemoglobin subunit alpha	oxygen carrier oligomeric count: 4 pocket vol.: 525.0 Å³ d(Fe-oop): 0.172 Å
4g51-A-202	`sad. +0.17 ruf. +0.03 dom. -0.42 bre. -0.10`	NO	chainID: A, resSeq: 201, molecule: NITRIC OXIDE
4g51-B-202	`sad. +0.00 ruf. -0.71 dom. -0.33 bre. -0.01`	HIS	chainID: B, resSeq: 92, molecule: Hemoglobin subunit beta	oxygen carrier oligomeric count: 4 pocket vol.: 553.0 Å³ d(Fe-oop): 0.121 Å
4g51-B-202	`sad. +0.00 ruf. -0.71 dom. -0.33 bre. -0.01`	NO	chainID: B, resSeq: 201, molecule: NITRIC OXIDE
4g51-C-202	`sad. -0.20 ruf. +0.11 dom. -0.37 bre. -0.08`	HIS	chainID: C, resSeq: 88, molecule: Hemoglobin subunit alpha	oxygen carrier oligomeric count: 4 pocket vol.: 503.0 Å³ d(Fe-oop): 0.217 Å
4g51-C-202	`sad. -0.20 ruf. +0.11 dom. -0.37 bre. -0.08`	NO	chainID: C, resSeq: 201, molecule: NITRIC OXIDE
4g51-D-202	`sad. +0.40 ruf. -0.18 dom. -0.21 bre. -0.10`	HIS	chainID: D, resSeq: 92, molecule: Hemoglobin subunit beta	oxygen carrier oligomeric count: 4 pocket vol.: 612.0 Å³ d(Fe-oop): 0.210 Å
4g51-D-202	`sad. +0.40 ruf. -0.18 dom. -0.21 bre. -0.10`	NO	chainID: D, resSeq: 201, molecule: NITRIC OXIDE