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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2zoo-A-600	`sad. +0.22 ruf. -0.91 dom. -0.04 bre. -0.21`	HIS	chainID: A, resSeq: 354, molecule: Probable nitrite reductase	oxidoreductase oligomeric count: 3 pocket vol.: 357.0 Å³ d(Fe-oop): 0.012 Å
2zoo-A-600	`sad. +0.22 ruf. -0.91 dom. -0.04 bre. -0.21`	MET	chainID: A, resSeq: 404, molecule: Probable nitrite reductase