The LexA repressor or LexA (Locus for X-ray sensitivity A) is a transcriptional repressor (EC 3.4.21.88) that represses SOS response genes coding primarily...
7 KB (722 words) - 04:30, 31 July 2024
stimulated by single-stranded DNA, is involved in the inactivation of the repressor (LexA) of SOS response genes thereby inducing the response. It is an error-prone...
13 KB (1,497 words) - 02:17, 30 July 2024
Lambda phage (redirect from Lambda ci and cro repressor)
replication of the lambda genome (OP). Cro dominates the repressor site (see "Repressor" section), repressing synthesis from the PRM promoter (which is a promoter...
54 KB (5,957 words) - 20:51, 23 July 2024
co-protease function in the autocatalytic cleavage of the LexA repressor and the λ repressor. The RecA protein binds strongly and in long clusters to ssDNA...
13 KB (1,411 words) - 19:29, 29 July 2024
Lexa in Wiktionary, the free dictionary. Lexa may refer to: Lexa, Arkansas, a city in Phillips County, United States Repressor lexA Lexa (name) Lexa (singer)...
651 bytes (102 words) - 19:07, 5 January 2023
which the LexA repressor binds to repress the transcription of SOS-induced proteins. SOS boxes are found near the promoter of various genes. LexA binds to...
6 KB (512 words) - 17:22, 18 July 2024
the SOS response: lexA encodes a repressor for all the genes in the system, and recA encodes a protein able to cleave the LexA repressor upon activation...
7 KB (954 words) - 08:08, 17 September 2021
activate LexA autoprotease activity, which ultimately leads to cleavage of LexA dimer and subsequent LexA degradation. The loss of LexA repressor induces...
129 KB (15,900 words) - 06:12, 13 August 2024
Transcription of the SOS response genes is negatively regulated by the LexA repressor. LexA binds to the promoter of the UmuDC operon and inhibits gene transcription...
10 KB (1,099 words) - 00:05, 28 June 2024
he cloned the E. coli LexA repressor and showed how it controlled the cell's response to DNA damage, used LexA as a repressor in yeast, and created fusion...
16 KB (1,640 words) - 22:58, 3 November 2023