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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
4hka-A-401	`sad. -0.00 ruf. -0.01 dom. +0.00 bre. -0.56`	HIS	chainID: A, resSeq: 312, molecule: Tryptophan 2,3-dioxygenase	oxidoreductase oligomeric count: 4 pocket vol.: 467.0 Å³ d(Fe-oop): 0.001 Å
4hka-A-401	`sad. -0.00 ruf. -0.01 dom. +0.00 bre. -0.56`	Not assigned.