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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
6xk3-A-901	`sad. -0.55 ruf. -0.46 dom. +0.62 bre. -0.09`	CYS	chainID: A, resSeq: 66, molecule: Nitric oxide synthase oxygenase	oxidoreductase oligomeric count: 1 pocket vol.: 553.0 Å³ d(Fe-oop): 0.298 Å
6xk3-A-901	`sad. -0.55 ruf. -0.46 dom. +0.62 bre. -0.09`	Not assigned.