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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2fri-X-154	`sad. +0.11 ruf. -0.10 dom. -0.18 bre. -0.30`	HIS	chainID: X, resSeq: 93, molecule: Myoglobin	oxygen carrier oligomeric count: 1 pocket vol.: 522.0 Å³ d(Fe-oop): 0.054 Å
2fri-X-154	`sad. +0.11 ruf. -0.10 dom. -0.18 bre. -0.30`	NO2	chainID: X, resSeq: 159, molecule: NITRITE ION