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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1iw1-A-901	`sad. -0.10 ruf. -0.16 dom. +0.21 bre. -0.24`	HIS	chainID: A, resSeq: 20, molecule: Heme oxygenase	oxidoreductase oligomeric count: 1 pocket vol.: 548.0 Å³ d(Fe-oop): 0.269 Å
1iw1-A-901	`sad. -0.10 ruf. -0.16 dom. +0.21 bre. -0.24`	Not assigned.
1iw1-B-902	`sad. -0.17 ruf. +0.07 dom. +0.09 bre. -0.11`	HIS	chainID: B, resSeq: 320, molecule: Heme oxygenase	oxidoreductase oligomeric count: 1 pocket vol.: 541.0 Å³ d(Fe-oop): 0.175 Å
1iw1-B-902	`sad. -0.17 ruf. +0.07 dom. +0.09 bre. -0.11`	Not assigned.
1iw1-C-903	`sad. -0.01 ruf. +0.06 dom. +0.13 bre. -0.11`	HIS	chainID: C, resSeq: 620, molecule: Heme oxygenase	oxidoreductase oligomeric count: 1 pocket vol.: 548.0 Å³ d(Fe-oop): 0.149 Å
1iw1-C-903	`sad. -0.01 ruf. +0.06 dom. +0.13 bre. -0.11`	Not assigned.