Article
Accumulated helix-destabilizing mutations in the leucine zipper of c-Fos leads to attenuation and temperature sensitivity of function.
Oncogene - 1 Jul 1993
Nicklin M J, Zechner D, Kislyakova T
Abstract excerpt
Fos protein heterodimerizes through one surface of an alpha-helical domain called the leucine zipper. We have investigated the effect of destabilizing this domain by multiply substituting small residues of its non-interacting surface with glycine. Ternary complex formation between mutated Fos, Jun and DNA was determined in vitro in the presence of denaturant. We also tested the ability of constitutively...
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