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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1ctm-A-253	`sad. -0.46 ruf. -0.72 dom. -0.02 bre. +0.06`	TYR	chainID: A, resSeq: 1, molecule: CYTOCHROME F	electron transporter oligomeric count: 1 pocket vol.: 328.0 Å³ d(Fe-oop): 0.007 Å
1ctm-A-253	`sad. -0.46 ruf. -0.72 dom. -0.02 bre. +0.06`	HIS	chainID: A, resSeq: 25, molecule: CYTOCHROME F