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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4ctx-A-750	`sad. -0.50 ruf. -0.74 dom. +0.66 bre. -0.03`	CYS	chainID: A, resSeq: 415, molecule: NITRIC OXIDE SYNTHASE, BRAIN	oxidoreductase oligomeric count: 2 pocket vol.: 552.0 Å³ d(Fe-oop): 0.053 Å
4ctx-A-750	`sad. -0.50 ruf. -0.74 dom. +0.66 bre. -0.03`	Not assigned.
4ctx-B-750	`sad. -0.62 ruf. -0.62 dom. +0.72 bre. +0.03`	CYS	chainID: B, resSeq: 415, molecule: NITRIC OXIDE SYNTHASE, BRAIN	oxidoreductase oligomeric count: 2 pocket vol.: 573.0 Å³ d(Fe-oop): 0.056 Å
4ctx-B-750	`sad. -0.62 ruf. -0.62 dom. +0.72 bre. +0.03`	Not assigned.