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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
6f1q-A-503	`sad. +0.03 ruf. -0.81 dom. +0.00 bre. +0.00`	HIS	chainID: A, resSeq: 368, molecule: Nitrite reductase	oxidoreductase oligomeric count: 3 pocket vol.: 346.0 Å³ d(Fe-oop): 0.001 Å
6f1q-A-503	`sad. +0.03 ruf. -0.81 dom. +0.00 bre. +0.00`	MET	chainID: A, resSeq: 418, molecule: Nitrite reductase