Effect of zinc ions on the biochemical behavior of simian virus 40 small-t antigen expressed in bacteria.
AUTOR(ES)
Goswami, R
RESUMO
The simian virus 40 small-t antigen contains 10 cysteine residues, 6 of which are organized in two CysXCysXXCys clusters. Mutation of individual Cys residues in the two clusters or mutation of specific residues found between these clusters causes pronounced instability of the protein in animal cells. Protein instability correlates with failure of the bacterially expressed mutant proteins to bind zinc ions, an interaction which allows purification of large amounts of small-t antigen in monomeric form.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=240925Documentos Relacionados
- Simian virus 40 small-t antigen binds two zinc ions.
- Mutational analysis of simian virus 40 small-t antigen.
- Nucleotide sequence of the simian virus 40 small-t gene
- Control of protein phosphatase 2A by simian virus 40 small-t antigen.
- Simian virus 40 small-t antigen stimulates viral DNA replication in permissive monkey cells.
