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select ligand

ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1es1-A-201	`sad. +0.37 ruf. +0.26 dom. -0.16 bre. -0.07`	HIS	chainID: A, resSeq: 39, molecule: CYTOCHROME B5	electron transporter oligomeric count: 1 pocket vol.: 496.0 Å³ d(Fe-oop): 0.029 Å
1es1-A-201	`sad. +0.37 ruf. +0.26 dom. -0.16 bre. -0.07`	HIS	chainID: A, resSeq: 63, molecule: CYTOCHROME B5