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Updated: Jun 6, 2026
08:55
Rab10 Phosphorylation Detection by LRRK2 Activity Using SDS-PAGE with a Phosphate-binding Tag
Published on: December 14, 2017
A structural glimpse into lipid phosphate dephosphorylation by human LPP2.
1Beijing National Laboratory for Condensed Matter Physics, Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China.
Structure (London, England : 1993)
|June 4, 2026
Summary
Researchers reveal the first high-resolution cryo-electron microscopy structure of human LPP2. This structure elucidates its tetrameric assembly and a substrate pre-binding state, offering insights into lipid recognition and regulation.
Area of Science:
- Structural biology
- Biochemistry
- Molecular biology
Background:
- The lysophospholipid acyltransferases (LPPs) are crucial enzymes involved in lipid metabolism.
- Understanding the structural basis of LPP function is essential for elucidating their roles in cellular processes and disease.
Purpose of the Study:
- To determine the high-resolution cryo-electron microscopy (cryo-EM) structure of human lysophospholipid acyltransferase 2 (LPP2).
- To gain mechanistic insights into substrate recognition, catalytic activity, oligomerization, and isoform-specific regulation within the LPP family.
Main Methods:
- High-resolution cryo-electron microscopy (cryo-EM) analysis.
- Structural determination and characterization of human LPP2.
Main Results:
- The first high-resolution cryo-EM structure of human LPP2 was determined.
- The structure reveals a tetrameric assembly of LPP2.
- A putative substrate pre-binding state was identified, offering mechanistic insights.
Conclusions:
- The determined LPP2 structure provides critical insights into lipid recognition and catalytic mechanisms.
- The findings elucidate the oligomerization and isoform-specific regulation of LPP enzymes.
- This structural information is vital for understanding LPP family function and potential therapeutic targeting.
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