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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1pgf-A-601	`sad. -0.34 ruf. +0.38 dom. +0.18 bre. +0.21`	HIS	chainID: A, resSeq: 388, molecule: PROSTAGLANDIN H2 SYNTHASE-1	oxidoreductase oligomeric count: 2 pocket vol.: 530.0 Å³ d(Fe-oop): 0.083 Å
1pgf-A-601	`sad. -0.34 ruf. +0.38 dom. +0.18 bre. +0.21`	Not assigned.
1pgf-B-601	`sad. -0.34 ruf. +0.38 dom. +0.18 bre. +0.21`	HIS	chainID: B, resSeq: 388, molecule: PROSTAGLANDIN H2 SYNTHASE-1	oxidoreductase oligomeric count: 2 pocket vol.: 514.0 Å³ d(Fe-oop): 0.083 Å
1pgf-B-601	`sad. -0.34 ruf. +0.38 dom. +0.18 bre. +0.21`	Not assigned.