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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2m33-A-400	`sad. +0.06 ruf. +0.17 dom. +0.09 bre. +0.04`	HIS	chainID: A, resSeq: 44, molecule: Cytochrome b5	electron transporter oligomeric count: 1 pocket vol.: 604.0 Å³ d(Fe-oop): 0.039 Å
2m33-A-400	`sad. +0.06 ruf. +0.17 dom. +0.09 bre. +0.04`	HIS	chainID: A, resSeq: 68, molecule: Cytochrome b5