Words similar to heteromeric
Example sentences for: heteromeric
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In most cells, unliganded glucocorticoid receptors (GR) reside predominately in the cytoplasm, where they exist as a heteromeric complex comprised minimally of GR, 90-kDa and 70-kDa heat shock proteins (hsp90 and hsp70).
Based on data obtained from affinity labeling and site directed mutagenesis studies, several regions of the nicotinic acetylcholine receptor have been implicated in ligand binding [ 10 ] . Six essential loops appear to contribute to the binding site with the position of each loop differing slightly depending on whether the receptor is heteromeric or homomeric [ 4 ] . For homomeric receptors such as the α7 nAChR, the loops are identified as A, B, C, D, E and F [ 4 11 ] . The amino acids that interact with ligands presumably extend into the binding site from these loops.
TGFβ signals through a heteromeric receptor complex of type II and type I receptor serine-threonine kinases, which activates the downstream Smad signal transduction pathway [ 7 ] . After TGFβ binding to the receptor complex, the TGFβ type II receptor kinase phosphorylates TGFβ type I receptor which inititates the downstream response by phosphorylating receptor-regulated Smads (R-Smads), such as Smad2 and Smad3.
If the higher molecular weight band does represent a dimer of subunits, the heteromeric VR1/Δ2-52 ought to be intermediate in size between the homomeric dimers.
Like other members of the TGF-β superfamily, BMPs induce intracellular signaling via heteromeric complexes of the type I and type II serine-threonine kinase receptors [ 5 6 ] . The Smad family proteins are now known to function as key signal transducers downstream of the TGF-β family type I receptors [ 6 7 8 ] . The activated BMP type I receptors directly recruit and phosphorylate a set of cytoplasmic Smad proteins that are specific for the BMP type I receptors.
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