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Comparative Study
. 1982;1(5):591-5.
doi: 10.1002/j.1460-2075.1982.tb01213.x.

Homologies between different procaryotic DNA-binding regulatory proteins and between their sites of action

B Gicquel-Sanzey, P Cossart
Comparative Study

Homologies between different procaryotic DNA-binding regulatory proteins and between their sites of action

B Gicquel-Sanzey et al. EMBO J. 1982.

Abstract

Comparison of the amino acid sequences of 13 procaryotic regulatory proteins, including the products of genes crp (catabolite activator protein; CAP), lacI, galR , lexA, lysR, araC, trpR, and tnpR of Escherichia coli, of genes cI, cII and cro of phage lambda, cro of phage 434, and c2 of phage P22, has revealed two regions of homology. The sites of action of these proteins also share common features in their DNA sequence. Taking into account the models proposed for the lambda repressors, cro and cI, and for CAP, a general type of DNA-protein interaction is suggested.

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References

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