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repressor LexA

Cat No.
EXWM-4179
Description
RecA protein and single-stranded DNA are required for activity, which is attributed to a Ser/Lys dyad. The LexA protein represses the SOS regulon, which regulates the genes involved in DNA repair. In the presence of single-stranded DNA, the RecA protein interacts with repressor LexA, causing it to undergo an autocatalytic cleavage which disrupts the DNA-binding part of the repressor, and inactivates it. The consequent derepression of the SOS regulon leads to DNA repair. This peptidase activity of LexA was previously attributed to the RecA protein. Type example of peptidase family S24
Form
Liquid or lyophilized powder
Enzyme Commission Number
CAS No.
84721-00-6
Storage
Store it at +4 ºC for short term. For long term storage, store it at -20 ºC~-80 ºC.
Synonyms
LexA repressor
Reaction
Hydrolysis of Ala84┼Gly bond in repressor LexA
Notes
This item requires custom production and lead time is between 5-9 weeks. We can custom produce according to your specifications.
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