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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4pd4-C-4001	`sad. -0.05 ruf. -0.30 dom. +0.15 bre. -0.28`	HIS	chainID: C, resSeq: 82, molecule: Cytochrome b	translocase oligomeric count: 22 pocket vol.: 390.0 Å³ d(Fe-oop): 0.035 Å
4pd4-C-4001	`sad. -0.05 ruf. -0.30 dom. +0.15 bre. -0.28`	HIS	chainID: C, resSeq: 183, molecule: Cytochrome b
4pd4-C-4002	`sad. -0.62 ruf. -1.20 dom. -0.03 bre. -0.01`	HIS	chainID: C, resSeq: 96, molecule: Cytochrome b	translocase oligomeric count: 22 pocket vol.: 383.0 Å³ d(Fe-oop): 0.074 Å
4pd4-C-4002	`sad. -0.62 ruf. -1.20 dom. -0.03 bre. -0.01`	HIS	chainID: C, resSeq: 197, molecule: Cytochrome b
4pd4-D-401	`sad. +0.05 ruf. -0.28 dom. -0.02 bre. -0.30`	HIS	chainID: D, resSeq: 105, molecule: Cytochrome c1, heme protein, mitochondrial	translocase oligomeric count: 22 pocket vol.: 478.0 Å³ d(Fe-oop): 0.081 Å
4pd4-D-401	`sad. +0.05 ruf. -0.28 dom. -0.02 bre. -0.30`	MET	chainID: D, resSeq: 225, molecule: Cytochrome c1, heme protein, mitochondrial