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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4key-A-501	`sad. -0.34 ruf. -0.49 dom. -0.12 bre. -0.23`	CYS	chainID: A, resSeq: 400, molecule: Bifunctional P-450/NADPH-P450 reductase	oxidoreductase oligomeric count: 1 pocket vol.: 446.0 Å³ d(Fe-oop): 0.157 Å
4key-A-501	`sad. -0.34 ruf. -0.49 dom. -0.12 bre. -0.23`	Not assigned.
4key-B-501	`sad. -0.28 ruf. -0.38 dom. -0.06 bre. -0.42`	CYS	chainID: B, resSeq: 400, molecule: Bifunctional P-450/NADPH-P450 reductase	oxidoreductase oligomeric count: 1 pocket vol.: 428.0 Å³ d(Fe-oop): 0.098 Å
4key-B-501	`sad. -0.28 ruf. -0.38 dom. -0.06 bre. -0.42`	Not assigned.