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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1d06-A-501	`sad. +0.59 ruf. +0.17 dom. -0.58 bre. -0.08`	HIS	chainID: A, resSeq: 194, molecule: nitrogen fixation regulatory protein fixL	transferase oligomeric count: 1 pocket vol.: 391.0 Å³ d(Fe-oop): 0.318 Å
1d06-A-501	`sad. +0.59 ruf. +0.17 dom. -0.58 bre. -0.08`	Not assigned.