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Formaldehyde crosslinking: a tool for the study of chromatin complexes.

Hoffman, Elizabeth A; Frey, Brian L; Smith, Lloyd M; Auble, David T.
J Biol Chem; 290(44): 26404-11, 2015 Oct 30.
Artigo em Inglês | MEDLINE | ID: mdl-26354429
Formaldehyde has been used for decades to probe macromolecular structure and function and to trap complexes, cells, and tissues for further analysis. Formaldehyde crosslinking is routinely employed for detection and quantification of protein-DNA interactions, interactions between chromatin proteins, and interactions between distal segments of the chromatin fiber. Despite widespread use and a rich biochemical literature, important aspects of formaldehyde behavior in cells have not been well described. Here, we highlight features of formaldehyde chemistry relevant to its use in analyses of chromatin complexes, focusing on how its properties may influence studies of chromatin structure and function.
Selo DaSilva