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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3tgc-A-185	`sad. +0.18 ruf. -0.70 dom. +0.09 bre. -0.14`	HIS	chainID: A, resSeq: 59, molecule: Nitrophorin-4	oxidoreductase oligomeric count: 1 pocket vol.: 470.0 Å³ d(Fe-oop): 0.029 Å
3tgc-A-185	`sad. +0.18 ruf. -0.70 dom. +0.09 bre. -0.14`	NO2	chainID: A, resSeq: 186, molecule: NITRITE ION