The structure of the amino terminal transforming segment of the p21 protein, Tyr4-Thr20 (with Asp12), by two-dimensional NMR

P. A. Longo, M. S. Broido, J. Chen, H. F. Kung, M. R. Pincus

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The structure of a peptide from the transforming region (residues 4 - 20) of the p21 protein has been determined using two-dimensional NMR. In the normal protein, this segment contains a Gly residue at the critical 12 position; any substitution, other than Pro, at this position results in a transforming protein. Previously performed energy calculations indicated that this peptide segment is a structured one. In this study we find that the Asp12 containing peptide has a surprisingly well-defined structure in solution which has more similarity to the GDP-binding loop region in EF-tu than to that in p21.

Original languageEnglish
Pages (from-to)776-782
Number of pages7
JournalBiochemical and Biophysical Research Communications
Volume157
Issue number2
DOIs
StatePublished - 15 Dec 1988
Externally publishedYes

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