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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2frj-X-154	`sad. +0.00 ruf. -0.00 dom. -0.22 bre. -0.22`	HIS	chainID: X, resSeq: 93, molecule: Myoglobin	oxygen carrier oligomeric count: 1 pocket vol.: 509.0 Å³ d(Fe-oop): 0.001 Å
2frj-X-154	`sad. +0.00 ruf. -0.00 dom. -0.22 bre. -0.22`	NO	chainID: X, resSeq: 155, molecule: NITRIC OXIDE