The CCAAT-binding complex of eukaryotes: evolution of a second NLS in the HapB subunit of the filamentous fungus Aspergillus nidulans despite functional conservation at the molecular level between yeast, A.nidulans and human.

Abstract excerpt

The heterotrimeric CCAAT-binding complex is evolutionarily conserved in eukaryotic organisms, including fungi, plants and mammals. In the filamentous fungus Aspergillus nidulans, the corresponding complex was designated AnCF (A.nidulans CCAAT-binding factor). AnCF consists of the subunits HapB, HapC and HapE. All three subunits are necessary for DNA binding. HapB contains two putative nuclear localisation signal...

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