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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4hdl-A-72	`sad. -0.21 ruf. -0.96 dom. +0.11 bre. -0.08`	HIS	chainID: A, resSeq: 17, molecule: PpcA	electron transporter oligomeric count: 1 pocket vol.: 593.0 Å³ d(Fe-oop): 0.047 Å
4hdl-A-72	`sad. -0.21 ruf. -0.96 dom. +0.11 bre. -0.08`	HIS	chainID: A, resSeq: 31, molecule: PpcA
4hdl-A-73	`sad. -0.35 ruf. -0.37 dom. -0.04 bre. -0.16`	HIS	chainID: A, resSeq: 20, molecule: PpcA	electron transporter oligomeric count: 1 pocket vol.: 494.0 Å³ d(Fe-oop): 0.006 Å
4hdl-A-73	`sad. -0.35 ruf. -0.37 dom. -0.04 bre. -0.16`	HIS	chainID: A, resSeq: 55, molecule: PpcA
4hdl-A-74	`sad. -0.08 ruf. -0.91 dom. -0.09 bre. -0.12`	HIS	chainID: A, resSeq: 47, molecule: PpcA	electron transporter oligomeric count: 1 pocket vol.: 456.0 Å³ d(Fe-oop): 0.031 Å
4hdl-A-74	`sad. -0.08 ruf. -0.91 dom. -0.09 bre. -0.12`	HIS	chainID: A, resSeq: 69, molecule: PpcA