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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1tkw-B-253	`sad. -0.30 ruf. -0.67 dom. -0.02 bre. -0.08`	TYR	chainID: B, resSeq: 1, molecule: Cytochrome f	electron transporter oligomeric count: 2 pocket vol.: 316.0 Å³ d(Fe-oop): 0.003 Å
1tkw-B-253	`sad. -0.30 ruf. -0.67 dom. -0.02 bre. -0.08`	HIS	chainID: B, resSeq: 25, molecule: Cytochrome f