Acetyl-CoA-mediated activation of Mycobacterium tuberculosis isocitrate lyase 2
Isocitrate lyase (ICL) isoforms 1 and 2 are enzymes in the glyoxylate and methylcitrate cycles that enable Mycobacterium tuberculosis (Mtb) to use lipids as a carbon source. Here the authors present the ligand-free Mtb ICL2 and acetyl-CoA bound ICL2 crystal structures, which reveal a structural reor...
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| Main Authors: | , , , , , , , |
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| Format: | article |
| Language: | EN |
| Published: |
Nature Portfolio
2019
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| Subjects: | |
| Online Access: | https://doaj.org/article/84f707b24cca4ccd924cf9d174e6fea6 |
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| Summary: | Isocitrate lyase (ICL) isoforms 1 and 2 are enzymes in the glyoxylate and methylcitrate cycles that enable Mycobacterium tuberculosis (Mtb) to use lipids as a carbon source. Here the authors present the ligand-free Mtb ICL2 and acetyl-CoA bound ICL2 crystal structures, which reveal a structural reorganisation upon acetyl-CoA binding that leads to an activation of its isocitrate lyase and methylcitrate lyase activities. |
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