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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1k2u-A-750	`sad. -0.70 ruf. -0.44 dom. +0.56 bre. -0.05`	CYS	chainID: A, resSeq: 415, molecule: nitric-oxide synthase	oxidoreductase oligomeric count: 2 pocket vol.: 522.0 Å³ d(Fe-oop): 0.303 Å
1k2u-A-750	`sad. -0.70 ruf. -0.44 dom. +0.56 bre. -0.05`	Not assigned.
1k2u-B-750	`sad. -0.79 ruf. -0.37 dom. +0.60 bre. +0.02`	CYS	chainID: B, resSeq: 415, molecule: nitric-oxide synthase	oxidoreductase oligomeric count: 2 pocket vol.: 552.0 Å³ d(Fe-oop): 0.207 Å
1k2u-B-750	`sad. -0.79 ruf. -0.37 dom. +0.60 bre. +0.02`	Not assigned.