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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1n50-A-601	`sad. -0.40 ruf. -0.61 dom. +0.03 bre. +0.16`	HIS	chainID: A, resSeq: 51, molecule: NITRITE REDUCTASE	oxidoreductase oligomeric count: 2 pocket vol.: 394.0 Å³ d(Fe-oop): 0.034 Å
1n50-A-601	`sad. -0.40 ruf. -0.61 dom. +0.03 bre. +0.16`	MET	chainID: A, resSeq: 88, molecule: NITRITE REDUCTASE
1n50-B-601	`sad. -0.29 ruf. -0.35 dom. +0.02 bre. +0.12`	HIS	chainID: B, resSeq: 51, molecule: NITRITE REDUCTASE	oxidoreductase oligomeric count: 2 pocket vol.: 417.0 Å³ d(Fe-oop): 0.043 Å
1n50-B-601	`sad. -0.29 ruf. -0.35 dom. +0.02 bre. +0.12`	MET	chainID: B, resSeq: 88, molecule: NITRITE REDUCTASE