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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3aec-C-1305	`sad. -0.47 ruf. +0.57 dom. +0.33 bre. -0.25`	HIS	chainID: C, resSeq: 101, molecule: Succinate dehydrogenase cytochrome b560 subunit, mitochondrial	electron transporter oligomeric count: 4 pocket vol.: 543.0 Å³ d(Fe-oop): 0.049 Å
3aec-C-1305	`sad. -0.47 ruf. +0.57 dom. +0.33 bre. -0.25`	HIS	chainID: D, resSeq: 79, molecule: Succinate dehydrogenase [ubiquinone] cytochrome b small subunit, mitochondrial