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select ligand

ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1a2s-A-90	`sad. -0.01 ruf. -0.67 dom. -0.05 bre. -0.26`	HIS	chainID: A, resSeq: 19, molecule: CYTOCHROME C6	electron transporter oligomeric count: 1 pocket vol.: 340.0 Å³ d(Fe-oop): 0.039 Å
1a2s-A-90	`sad. -0.01 ruf. -0.67 dom. -0.05 bre. -0.26`	MET	chainID: A, resSeq: 61, molecule: CYTOCHROME C6