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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4hpb-A-201	`sad. +0.36 ruf. -0.57 dom. +0.08 bre. -0.12`	HIS	chainID: A, resSeq: 59, molecule: Nitrophorin-4	oxidoreductase oligomeric count: 1 pocket vol.: 528.0 Å³ d(Fe-oop): 0.003 Å
4hpb-A-201	`sad. +0.36 ruf. -0.57 dom. +0.08 bre. -0.12`	BME	chainID: A, resSeq: 202, molecule: BETA-MERCAPTOETHANOL