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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
2occ-A-515	`sad. -0.61 ruf. +0.01 dom. +0.26 bre. -0.14`	HIS	chainID: A, resSeq: 61, molecule: CYTOCHROME C OXIDASE	oxidoreductase oligomeric count: 13 pocket vol.: 627.0 Å³ d(Fe-oop): 0.124 Å
2occ-A-515	`sad. -0.61 ruf. +0.01 dom. +0.26 bre. -0.14`	HIS	chainID: A, resSeq: 378, molecule: CYTOCHROME C OXIDASE
2occ-A-516	`sad. -0.36 ruf. -0.06 dom. +0.49 bre. +0.03`	HIS	chainID: A, resSeq: 376, molecule: CYTOCHROME C OXIDASE	oxidoreductase oligomeric count: 13 pocket vol.: 733.0 Å³ d(Fe-oop): 0.053 Å
2occ-A-516	`sad. -0.36 ruf. -0.06 dom. +0.49 bre. +0.03`	PER	chainID: A, resSeq: 520, molecule: PEROXIDE ION
2occ-N-515	`sad. -0.61 ruf. +0.01 dom. +0.33 bre. -0.11`	HIS	chainID: N, resSeq: 61, molecule: CYTOCHROME C OXIDASE	oxidoreductase oligomeric count: 13 pocket vol.: 634.0 Å³ d(Fe-oop): 0.067 Å
2occ-N-515	`sad. -0.61 ruf. +0.01 dom. +0.33 bre. -0.11`	HIS	chainID: N, resSeq: 378, molecule: CYTOCHROME C OXIDASE
2occ-N-516	`sad. -0.24 ruf. +0.00 dom. +0.51 bre. +0.06`	HIS	chainID: N, resSeq: 376, molecule: CYTOCHROME C OXIDASE	oxidoreductase oligomeric count: 13 pocket vol.: 727.0 Å³ d(Fe-oop): 0.072 Å
2occ-N-516	`sad. -0.24 ruf. +0.00 dom. +0.51 bre. +0.06`	PER	chainID: N, resSeq: 520, molecule: PEROXIDE ION