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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3u99-A-500	`sad. +0.34 ruf. -0.45 dom. -0.04 bre. -0.03`	HIS	chainID: A, resSeq: 101, molecule: Diheme cytochrome c	electron transporter oligomeric count: 1 pocket vol.: 402.0 Å³ d(Fe-oop): 0.005 Å
3u99-A-500	`sad. +0.34 ruf. -0.45 dom. -0.04 bre. -0.03`	HIS	chainID: A, resSeq: 125, molecule: Diheme cytochrome c
3u99-A-700	`sad. +0.53 ruf. +0.23 dom. +0.03 bre. -0.05`	HIS	chainID: A, resSeq: 23, molecule: Diheme cytochrome c	electron transporter oligomeric count: 1 pocket vol.: 408.0 Å³ d(Fe-oop): 0.021 Å
3u99-A-700	`sad. +0.53 ruf. +0.23 dom. +0.03 bre. -0.05`	HIS	chainID: A, resSeq: 46, molecule: Diheme cytochrome c