Critical role of tyrosine 277 in the ligand-binding and transactivating properties of retinoic acid receptor alpha

Abstract

Retinoic acid receptors specifically bind all-trans-retinoic acid (RA) and function as RA-inducible transcriptional regulatory factors. Binding of RA to RARalpha, beta, and gamma is sensitive to nitration with tetranitromethane, a tyrosine-specific modifying reagent. To identify tyrosine residue(s) that are important for RA binding, we carried out chemical… (More)

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