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. 1991 Nov 15;88(22):10004–10008. doi: 10.1073/pnas.88.22.10004

The nonphosphorylated form of RNA polymerase II preferentially associates with the preinitiation complex.

H Lu 1, O Flores 1, R Weinmann 1, D Reinberg 1
PMCID: PMC52855  PMID: 1946417

Abstract

The two forms of RNA polymerase II that exist in vivo, phosphorylated (IIO) and nonphosphorylated (IIA), were purified to apparent homogeneity from HeLa cells. The nonphosphorylated form preferentially binds to the preinitiation complex. RNA polymerase II in the complex was converted by a cellular protein kinase to the phosphorylated form.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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