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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3wfd-B-801	`sad. -0.04 ruf. +0.52 dom. +0.44 bre. -0.11`	HIS	chainID: B, resSeq: 60, molecule: Nitric oxide reductase subunit B	oxidoreductase oligomeric count: 4 pocket vol.: 383.0 Å³ d(Fe-oop): 0.041 Å
3wfd-B-801	`sad. -0.04 ruf. +0.52 dom. +0.44 bre. -0.11`	HIS	chainID: B, resSeq: 349, molecule: Nitric oxide reductase subunit B
3wfd-B-802	`sad. -0.41 ruf. +0.48 dom. -0.15 bre. -0.09`	HIS	chainID: B, resSeq: 347, molecule: Nitric oxide reductase subunit B	oxidoreductase oligomeric count: 4 pocket vol.: 401.0 Å³ d(Fe-oop): 0.029 Å
3wfd-B-802	`sad. -0.41 ruf. +0.48 dom. -0.15 bre. -0.09`	AXO	chainID: B, resSeq: 804, molecule: (1E)-N-hydroxyethanimine
3wfd-C-201	`sad. +0.16 ruf. -0.13 dom. -0.14 bre. +0.00`	HIS	chainID: C, resSeq: 65, molecule: Nitric oxide reductase subunit C	electron transporter oligomeric count: 4 pocket vol.: 348.0 Å³ d(Fe-oop): 0.012 Å
3wfd-C-201	`sad. +0.16 ruf. -0.13 dom. -0.14 bre. +0.00`	MET	chainID: C, resSeq: 112, molecule: Nitric oxide reductase subunit C