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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4np1-A-185	`sad. +0.15 ruf. +0.52 dom. -0.15 bre. -0.12`	HIS	chainID: A, resSeq: 59, molecule: NITROPHORIN 1	unclassified oligomeric count: 1 pocket vol.: 550.0 Å³ d(Fe-oop): 0.060 Å
4np1-A-185	`sad. +0.15 ruf. +0.52 dom. -0.15 bre. -0.12`	NO	chainID: A, resSeq: 186, molecule: NITRIC OXIDE
4np1-B-185	`sad. +0.08 ruf. +0.55 dom. -0.01 bre. -0.11`	HIS	chainID: B, resSeq: 59, molecule: NITROPHORIN 1	unclassified oligomeric count: 1 pocket vol.: 569.0 Å³ d(Fe-oop): 0.084 Å
4np1-B-185	`sad. +0.08 ruf. +0.55 dom. -0.01 bre. -0.11`	NO	chainID: B, resSeq: 186, molecule: NITRIC OXIDE