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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
6pyy-A-401	`sad. -0.04 ruf. -0.42 dom. -0.08 bre. -0.04`	HIS	chainID: A, resSeq: 328, molecule: Tryptophan 2,3-dioxygenase	oxidoreductase oligomeric count: 4 pocket vol.: 421.0 Å³ d(Fe-oop): 0.108 Å
6pyy-A-401	`sad. -0.04 ruf. -0.42 dom. -0.08 bre. -0.04`	Not assigned.
6pyy-B-401	`sad. -0.11 ruf. -0.36 dom. -0.14 bre. -0.05`	HIS	chainID: B, resSeq: 328, molecule: Tryptophan 2,3-dioxygenase	oxidoreductase oligomeric count: 4 pocket vol.: 418.0 Å³ d(Fe-oop): 0.123 Å
6pyy-B-401	`sad. -0.11 ruf. -0.36 dom. -0.14 bre. -0.05`	Not assigned.
6pyy-C-401	`sad. -0.01 ruf. -0.14 dom. -0.06 bre. -0.12`	HIS	chainID: C, resSeq: 328, molecule: Tryptophan 2,3-dioxygenase	oxidoreductase oligomeric count: 4 pocket vol.: 426.0 Å³ d(Fe-oop): 0.066 Å
6pyy-C-401	`sad. -0.01 ruf. -0.14 dom. -0.06 bre. -0.12`	Not assigned.
6pyy-D-401	`sad. +0.07 ruf. -0.34 dom. -0.14 bre. -0.00`	HIS	chainID: D, resSeq: 328, molecule: Tryptophan 2,3-dioxygenase	oxidoreductase oligomeric count: 4 pocket vol.: 464.0 Å³ d(Fe-oop): 0.060 Å
6pyy-D-401	`sad. +0.07 ruf. -0.34 dom. -0.14 bre. -0.00`	Not assigned.