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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4gd3-A-301	`sad. -0.38 ruf. -0.60 dom. -0.04 bre. -0.14`	HIS	chainID: A, resSeq: 63, molecule: Ni/Fe-hydrogenase 1 B-type cytochrome subunit	electron transporter oligomeric count: 5 pocket vol.: 448.0 Å³ d(Fe-oop): 0.006 Å
4gd3-A-301	`sad. -0.38 ruf. -0.60 dom. -0.04 bre. -0.14`	HIS	chainID: A, resSeq: 184, molecule: Ni/Fe-hydrogenase 1 B-type cytochrome subunit
4gd3-B-301	`sad. -0.36 ruf. -0.64 dom. +0.03 bre. -0.15`	HIS	chainID: B, resSeq: 63, molecule: Ni/Fe-hydrogenase 1 B-type cytochrome subunit	electron transporter oligomeric count: 5 pocket vol.: 436.0 Å³ d(Fe-oop): 0.005 Å
4gd3-B-301	`sad. -0.36 ruf. -0.64 dom. +0.03 bre. -0.15`	HIS	chainID: B, resSeq: 184, molecule: Ni/Fe-hydrogenase 1 B-type cytochrome subunit