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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2at0-X-185	`sad. +0.13 ruf. +0.61 dom. -0.10 bre. -0.03`	HIS	chainID: X, resSeq: 59, molecule: Nitrophorin 4	oxidoreductase oligomeric count: 1 pocket vol.: 486.0 Å³ d(Fe-oop): 0.075 Å
2at0-X-185	`sad. +0.13 ruf. +0.61 dom. -0.10 bre. -0.03`	NO	chainID: X, resSeq: 186, molecule: NITRIC OXIDE