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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3iqb-A-500	`sad. -0.23 ruf. -0.27 dom. +0.41 bre. -0.25`	HIS	chainID: A, resSeq: 102, molecule: Methyl-accepting chemotaxis protein	unclassified oligomeric count: 1 pocket vol.: 421.0 Å³ d(Fe-oop): 0.049 Å
3iqb-A-500	`sad. -0.23 ruf. -0.27 dom. +0.41 bre. -0.25`	OXY	chainID: A, resSeq: 501, molecule: OXYGEN MOLECULE