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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4fni-A-201	`sad. -0.23 ruf. -1.51 dom. -0.20 bre. -0.01`	HIS	chainID: A, resSeq: 76, molecule: Heme-degrading monooxygenase isdI	oxidoreductase oligomeric count: 2 pocket vol.: 459.0 Å³ d(Fe-oop): 0.003 Å
4fni-A-201	`sad. -0.23 ruf. -1.51 dom. -0.20 bre. -0.01`	CYN	chainID: A, resSeq: 202, molecule: CYANIDE ION
4fni-B-201	`sad. -0.22 ruf. +1.88 dom. +0.19 bre. +0.21`	HIS	chainID: B, resSeq: 76, molecule: Heme-degrading monooxygenase isdI	oxidoreductase oligomeric count: 2 pocket vol.: 471.0 Å³ d(Fe-oop): 0.010 Å
4fni-B-201	`sad. -0.22 ruf. +1.88 dom. +0.19 bre. +0.21`	CYN	chainID: B, resSeq: 202, molecule: CYANIDE ION