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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2nsi-A-550	`sad. -0.68 ruf. -0.67 dom. +0.68 bre. +0.27`	CYS	chainID: A, resSeq: 200, molecule: PROTEIN (NITRIC OXIDE SYNTHASE)	oxidoreductase oligomeric count: 2 pocket vol.: 522.0 Å³ d(Fe-oop): 0.307 Å
2nsi-A-550	`sad. -0.68 ruf. -0.67 dom. +0.68 bre. +0.27`	Not assigned.
2nsi-B-550	`sad. -0.64 ruf. -0.62 dom. +0.63 bre. +0.29`	CYS	chainID: B, resSeq: 200, molecule: PROTEIN (NITRIC OXIDE SYNTHASE)	oxidoreductase oligomeric count: 2 pocket vol.: 518.0 Å³ d(Fe-oop): 0.283 Å
2nsi-B-550	`sad. -0.64 ruf. -0.62 dom. +0.63 bre. +0.29`	Not assigned.
2nsi-C-550	`sad. -0.61 ruf. -0.69 dom. +0.67 bre. +0.33`	CYS	chainID: C, resSeq: 200, molecule: PROTEIN (NITRIC OXIDE SYNTHASE)	oxidoreductase oligomeric count: 2 pocket vol.: 535.0 Å³ d(Fe-oop): 0.236 Å
2nsi-C-550	`sad. -0.61 ruf. -0.69 dom. +0.67 bre. +0.33`	Not assigned.
2nsi-D-550	`sad. -0.70 ruf. -0.66 dom. +0.66 bre. +0.24`	CYS	chainID: D, resSeq: 200, molecule: PROTEIN (NITRIC OXIDE SYNTHASE)	oxidoreductase oligomeric count: 2 pocket vol.: 533.0 Å³ d(Fe-oop): 0.301 Å
2nsi-D-550	`sad. -0.70 ruf. -0.66 dom. +0.66 bre. +0.24`	Not assigned.