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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
3r0g-A-200	`sad. +0.23 ruf. -1.47 dom. -0.03 bre. -0.03`	HIS	chainID: A, resSeq: 120, molecule: Methanosarcina acetivorans protoglobin	oxygen carrier oligomeric count: 2 pocket vol.: 446.0 Å³ d(Fe-oop): 0.095 Å
3r0g-A-200	`sad. +0.23 ruf. -1.47 dom. -0.03 bre. -0.03`	HOH	chainID: A, resSeq: 209, molecule: water
3r0g-B-200	`sad. +0.24 ruf. -1.48 dom. +0.02 bre. -0.03`	HIS	chainID: B, resSeq: 120, molecule: Methanosarcina acetivorans protoglobin	oxygen carrier oligomeric count: 2 pocket vol.: 430.0 Å³ d(Fe-oop): 0.146 Å
3r0g-B-200	`sad. +0.24 ruf. -1.48 dom. +0.02 bre. -0.03`	HOH	chainID: B, resSeq: 198, molecule: water