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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1y21-A-300	`sad. -0.23 ruf. -0.50 dom. +0.26 bre. -0.25`	NO	chainID: A, resSeq: 298, molecule: NITRIC OXIDE	unclassified oligomeric count: 1 pocket vol.: 501.0 Å³ d(Fe-oop): 0.162 Å
1y21-A-300	`sad. -0.23 ruf. -0.50 dom. +0.26 bre. -0.25`	Not assigned.