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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4ctr-A-750	`sad. -0.22 ruf. -0.80 dom. +0.55 bre. -0.30`	CYS	chainID: A, resSeq: 415, molecule: NITRIC OXIDE SYNTHASE, BRAIN	oxidoreductase oligomeric count: 2 pocket vol.: 555.0 Å³ d(Fe-oop): 0.473 Å
4ctr-A-750	`sad. -0.22 ruf. -0.80 dom. +0.55 bre. -0.30`	Not assigned.
4ctr-B-750	`sad. -0.50 ruf. -0.48 dom. +0.70 bre. -0.33`	CYS	chainID: B, resSeq: 415, molecule: NITRIC OXIDE SYNTHASE, BRAIN	oxidoreductase oligomeric count: 2 pocket vol.: 527.0 Å³ d(Fe-oop): 0.436 Å
4ctr-B-750	`sad. -0.50 ruf. -0.48 dom. +0.70 bre. -0.33`	Not assigned.