useful for for the studies of SOS regulation

Anti RecA polyclonal antibody


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Background

E. coli RecA protein plays critically important roles in homologous recombination, recombination repair and regulation of cellular responses to DNA damage (SOS response). RecA promotes auto-cleavage of LexA repressor by its coprotease activity after DNA damage, and induces many proteins related to DNA repair, including RecA itself (1).
The product was prepared by immunizing rabbit with the recombinant protein, which was over-expressed in E. coli, and highly purified by chromatography.
Using this antiserum in Western blotting, the band of 38 kD corresponding to RecA was obtained from the extract of E. coli cells (Fig. 1).

Fig.1 Detection of E.coli RecA by Western blotting using anti-RecA antibody
   Lane 1, Purified RecA.
   Lane 2, Extract of E.coli AB1157.
   The antiserum was diluted 3,000 fold before use.

1)It can be used in Western blotting or ELISA for the detection and titration of E. coli RecA protein for the studies of SOS regulation (2, 3). For western blotting, use the serum at ~1,000 dilution.
2) Since RecA has many functions and interacts with various proteins in the cell, the protein complexes can be detected by immuno-precipitaion with the anti-RecA antibody.
3) RecA forms foci on nucleoids in the cells after exposure to DNA damaging treatments. The foci is visualized by immuno-staining of the cells using this antibody as the first antibody

<Reference>
1. Friedberg EC, et al. DNA Repair and Mutagenesis 2nd ed., ASM Presss (2005)
2. Hishida T, et al., Genes Dev. 18, 1886-1897 (2004)
3. Shibata T, et al. Genes Cells 10, 181-191 (2005)

Product List

Product Name Cat# Quantity Price

Anti RecA Escherichia coli  (Rabbit) Unlabeled DataSheet

BAM-61-003-EX

50 UG ¥31,500
$420

Anti RecA Escherichia coli  (Rabbit) Unlabeled DataSheet

BAM-61-004-EX

250 UG ¥124,500
$1660

Purified LexA protein


Product Name Cat# Quantity Price

RecA Protein Escherichia coli DataSheet

BAM-01-001EX

100 UG ¥9,500
$127

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