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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1t68-X-201	`sad. +0.47 ruf. -1.32 dom. +0.14 bre. +0.11`	HIS	chainID: X, resSeq: 57, molecule: Nitrophorin 2	unclassified oligomeric count: 1 pocket vol.: 492.0 Å³ d(Fe-oop): 0.045 Å
1t68-X-201	`sad. +0.47 ruf. -1.32 dom. +0.14 bre. +0.11`	NO	chainID: X, resSeq: 202, molecule: NITRIC OXIDE