Yaqiang Wang

Oct 13, 2024 | biorxiv.org | Yuan Yang |Yaqiang Wang |Maria G Murrali |Sabrina Galvan

AbstractHexim proteins are RNA-dependent regulators whose main target is 7SK long non-coding RNA, a major regulator of eukaryotic mRNA transcription. 7SK RNPs control available intracellular concentrations of the kinase P-TEFb (Cdk9-CyclinT1/2) by sequestering it in an inactive form. Active P-TEFb phosphorylates NELF, DSIF, and the RNA polymerase II CTD to transition it from promoter-proximal pausing to productive elongation. P-TEFb associates with 7SK RNP via Hexim, which directly binds 7SK RNA.

Jun 21, 2024 | mdpi.com | Yiming Hu |Miao Yu |Yaqiang Wang |Haotian Wu

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