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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4pk6-A-501	`sad. +0.19 ruf. +0.18 dom. +0.13 bre. +0.02`	HIS	chainID: A, resSeq: 346, molecule: Indoleamine 2,3-dioxygenase 1	oxidoreductase oligomeric count: 2 pocket vol.: 526.0 Å³ d(Fe-oop): 0.073 Å
4pk6-A-501	`sad. +0.19 ruf. +0.18 dom. +0.13 bre. +0.02`	PKL	chainID: A, resSeq: 502, molecule: N-[2-(3-chlorophenyl)ethyl]-3-(4-methylphenyl)imidazo[2,1-b][1,3]thiazole-5-carboxamide
4pk6-B-501	`sad. +0.29 ruf. +0.24 dom. +0.02 bre. -0.01`	HIS	chainID: B, resSeq: 346, molecule: Indoleamine 2,3-dioxygenase 1	oxidoreductase oligomeric count: 2 pocket vol.: 517.0 Å³ d(Fe-oop): 0.068 Å
4pk6-B-501	`sad. +0.29 ruf. +0.24 dom. +0.02 bre. -0.01`	PKL	chainID: B, resSeq: 502, molecule: N-[2-(3-chlorophenyl)ethyl]-3-(4-methylphenyl)imidazo[2,1-b][1,3]thiazole-5-carboxamide