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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1nek-C-305	`sad. -0.18 ruf. +0.05 dom. -0.02 bre. -0.04`	HIS	chainID: C, resSeq: 84, molecule: Succinate dehydrogenase cytochrome b-556 subunit	electron transporter oligomeric count: 4 pocket vol.: 498.0 Å³ d(Fe-oop): 0.001 Å
1nek-C-305	`sad. -0.18 ruf. +0.05 dom. -0.02 bre. -0.04`	HIS	chainID: D, resSeq: 71, molecule: Succinate dehydrogenase hydrophobic membrane anchor protein