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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1sy0-A-185	`sad. +0.36 ruf. +0.68 dom. -0.04 bre. -0.01`	HIS	chainID: A, resSeq: 59, molecule: Nitrophorin 4	oxidoreductase oligomeric count: 1 pocket vol.: 448.0 Å³ d(Fe-oop): 0.024 Å
1sy0-A-185	`sad. +0.36 ruf. +0.68 dom. -0.04 bre. -0.01`	NH4	chainID: A, resSeq: 201, molecule: AMMONIUM ION