Mutational analysis of simian virus 40 small-t antigen.

Abstract:

:Several point mutations in the simian virus 40 (SV40) small-t antigen have been analyzed for their effects on protein stability, transformation, transactivation, and binding of two cellular proteins. All mutations which affected cysteine residues in two cysteine clusters produced highly unstable small-t antigens. Four point mutations outside these clusters and one in-frame deletion mutant, dl890, produced stable proteins but reduced transformation efficiency. These were able to transactivate the EII promoter and bind the cellular proteins, suggesting that these activities are not sufficient for small-t-mediated enhancement of transformation.

journal_name

J Virol

journal_title

Journal of virology

authors

Jog P,Joshi B,Dhamankar V,Imperiale MJ,Rutila J,Rundell K

doi

10.1128/JVI.64.6.2895-2900.1990

subject

Has Abstract

pub_date

1990-06-01 00:00:00

pages

2895-900

issue

6

eissn

0022-538X

issn

1098-5514

journal_volume

64

pub_type

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