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select ligand

ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1b5m-A-201	`sad. +0.76 ruf. -0.00 dom. +0.04 bre. -0.05`	HIS	chainID: A, resSeq: 39, molecule: CYTOCHROME B5	electron transporter oligomeric count: 1 pocket vol.: 486.0 Å³ d(Fe-oop): 0.130 Å
1b5m-A-201	`sad. +0.76 ruf. -0.00 dom. +0.04 bre. -0.05`	HIS	chainID: A, resSeq: 63, molecule: CYTOCHROME B5