Back

Trifunctional fatty acid derivatives demonstrate the impact of diazirine placement

Farley, S. E.; Hashimoto, R.; Evangelista, J.; Stein, F.; Haberkant, P.; Kikuchi, K.; Tafesse, F.; Schultz, C.

2024-05-15 biochemistry
10.1101/2024.05.15.594383 bioRxiv
Show abstract

Functionalized lipid probes are a critical new tool to interrogate the function of individual lipid species, but the structural parameters that constrain their utility have not been thoroughly described. Here, we synthesize three palmitic acid derivatives with a diazirine at different positions on the acyl chain and examine their metabolism, subcellular localization, and protein interactions. We demonstrate that while they produce very similar metabolites and subcellular distributions, probes with the diazirine at either end pulldown distinct subsets of proteins after photo-crosslinking. This highlights the importance of thoughtful diazirine placement when developing probes based on biological molecules.

Matching journals

The top 2 journals account for 50% of the predicted probability mass.

50% of probability mass above

"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.