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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2bh4-X-1123	`sad. -0.03 ruf. -0.67 dom. -0.03 bre. -0.10`	HIS	chainID: X, resSeq: 19, molecule: CYTOCHROME C-550	electron transporter oligomeric count: 1 pocket vol.: 377.0 Å³ d(Fe-oop): 0.049 Å
2bh4-X-1123	`sad. -0.03 ruf. -0.67 dom. -0.03 bre. -0.10`	LYS	chainID: X, resSeq: 100, molecule: CYTOCHROME C-550