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Nature. 1982 Jul 29;298(5873):447-51.

Homology among DNA-binding proteins suggests use of a conserved super-secondary structure.

Abstract

The amino acid sequences of the repressor and cro proteins of phages lambda, 434 and P22 are homologous, especially in a region in which repressor and lambda cro have a similar alpha-helix-turn-alpha-helix secondary structure. Model-building studies indicate that this structure is important in DNA binding, and we suggest it may be a common feature of many DNa-binding proteins.

PMID:
6896364
DOI:
10.1038/298447a0
[Indexed for MEDLINE]

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