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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1fsx-A-143	`sad. +0.35 ruf. -0.26 dom. -0.26 bre. -0.26`	HIS	chainID: A, resSeq: 87, molecule: HEMOGLOBIN ALPHA CHAIN	oxygen carrier oligomeric count: 4 pocket vol.: 576.0 Å³ d(Fe-oop): 0.014 Å
1fsx-A-143	`sad. +0.35 ruf. -0.26 dom. -0.26 bre. -0.26`	CMO	chainID: A, resSeq: 142, molecule: CARBON MONOXIDE
1fsx-B-348	`sad. +0.11 ruf. -0.31 dom. -0.16 bre. -0.20`	HIS	chainID: B, resSeq: 292, molecule: HEMOGLOBIN BETA CHAIN	oxygen carrier oligomeric count: 4 pocket vol.: 601.0 Å³ d(Fe-oop): 0.056 Å
1fsx-B-348	`sad. +0.11 ruf. -0.31 dom. -0.16 bre. -0.20`	CMO	chainID: B, resSeq: 347, molecule: CARBON MONOXIDE
1fsx-C-543	`sad. +0.27 ruf. -0.46 dom. -0.21 bre. -0.24`	HIS	chainID: C, resSeq: 487, molecule: HEMOGLOBIN ALPHA CHAIN	oxygen carrier oligomeric count: 4 pocket vol.: 544.0 Å³ d(Fe-oop): 0.027 Å
1fsx-C-543	`sad. +0.27 ruf. -0.46 dom. -0.21 bre. -0.24`	CMO	chainID: C, resSeq: 542, molecule: CARBON MONOXIDE
1fsx-D-748	`sad. +0.01 ruf. -0.16 dom. -0.12 bre. -0.20`	HIS	chainID: D, resSeq: 692, molecule: HEMOGLOBIN BETA CHAIN	oxygen carrier oligomeric count: 4 pocket vol.: 538.0 Å³ d(Fe-oop): 0.066 Å
1fsx-D-748	`sad. +0.01 ruf. -0.16 dom. -0.12 bre. -0.20`	CMO	chainID: D, resSeq: 747, molecule: CARBON MONOXIDE