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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
7r2u-A-503	`sad. -0.02 ruf. -0.69 dom. -0.01 bre. -0.16`	HIS	chainID: A, resSeq: 368, molecule: Copper-containing nitrite reductase	oxidoreductase oligomeric count: 3 pocket vol.: 346.0 Å³ d(Fe-oop): 0.002 Å
7r2u-A-503	`sad. -0.02 ruf. -0.69 dom. -0.01 bre. -0.16`	MET	chainID: A, resSeq: 418, molecule: Copper-containing nitrite reductase