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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4ugb-A-901	`sad. -0.22 ruf. -0.47 dom. +0.58 bre. +0.00`	CYS	chainID: A, resSeq: 66, molecule: NITRIC OXIDE SYNTHASE OXYGENASE	oxidoreductase oligomeric count: 2 pocket vol.: 524.0 Å³ d(Fe-oop): 0.186 Å
4ugb-A-901	`sad. -0.22 ruf. -0.47 dom. +0.58 bre. +0.00`	Not assigned.