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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
5hwz-A-201	`sad. +0.28 ruf. -0.75 dom. +0.06 bre. -0.13`	HIS	chainID: A, resSeq: 59, molecule: Nitrophorin-4	oxidoreductase oligomeric count: 1 pocket vol.: 487.0 Å³ d(Fe-oop): 0.002 Å
5hwz-A-201	`sad. +0.28 ruf. -0.75 dom. +0.06 bre. -0.13`	NO2	chainID: A, resSeq: 202, molecule: NITRITE ION