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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1xj4-A-719	`sad. +0.59 ruf. +0.12 dom. -0.34 bre. -0.16`	HIS	chainID: A, resSeq: 200, molecule: Sensor protein fixL	transferase oligomeric count: 1 pocket vol.: 465.0 Å³ d(Fe-oop): 0.038 Å
1xj4-A-719	`sad. +0.59 ruf. +0.12 dom. -0.34 bre. -0.16`	CMO	chainID: A, resSeq: 1720, molecule: CARBON MONOXIDE
1xj4-B-719	`sad. +0.40 ruf. +0.15 dom. -0.30 bre. -0.16`	HIS	chainID: B, resSeq: 200, molecule: Sensor protein fixL	transferase oligomeric count: 1 pocket vol.: 462.0 Å³ d(Fe-oop): 0.022 Å
1xj4-B-719	`sad. +0.40 ruf. +0.15 dom. -0.30 bre. -0.16`	CMO	chainID: B, resSeq: 5720, molecule: CARBON MONOXIDE