The liganding of glycolipid transfer protein is controlled by glycolipid acyl structure
2006

How Glycolipid Transfer Protein Binds to Glycolipids

publication Evidence: high

Author Information

Author(s): Malinina Lucy, Malakhova Margarita L, Kanack Alex T, Lu Min, Abagyan Ruben, Brown Rhoderick E, Patel Dinshaw J

Primary Institution: Memorial Sloan-Kettering Cancer Center

Hypothesis

The binding of glycolipid transfer protein (GLTP) is influenced by the acyl structure of glycolipids.

Conclusion

The study reveals that the binding mode of glycolipids to GLTP varies based on the acyl chain length and structure.

Supporting Evidence

  • The study provides crystal structures of GLTP bound to glycolipids with varying acyl chain lengths.
  • Different binding modes were observed based on the acyl chain structure of the glycolipids.
  • GLTP's hydrophobic tunnel adapts to accommodate different lipid structures.

Takeaway

This study shows that glycolipid transfer proteins can grab onto different types of fats based on their shape, which helps them do their job in cells.

Methodology

The researchers used x-ray crystallography to determine the structures of GLTP complexes with various glycolipids.

Limitations

The study primarily focuses on specific glycolipids and may not represent all possible interactions with GLTP.

Digital Object Identifier (DOI)

10.1371/journal.pbio.0040362

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