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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4g1v-A-401	`sad. +0.06 ruf. -0.79 dom. -0.36 bre. -0.16`	HIS	chainID: A, resSeq: 85, molecule: Flavohemoglobin	oxidoreductase oligomeric count: 1 pocket vol.: 443.0 Å³ d(Fe-oop): 0.010 Å
4g1v-A-401	`sad. +0.06 ruf. -0.79 dom. -0.36 bre. -0.16`	NO2	chainID: A, resSeq: 404, molecule: NITRITE ION