Difference between revisions of "Part:BBa K1961002"
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The RecO protein is involved in DNA metabolism; it is required for DNA replication and normal SOS inducibility. When DNA is damaged and forms single-stranded DNA, Rec A binds single-stranded DNA (ssDNA). The binding of RecA onto ssDNA forms a nucleoprotein filament that promotes LexA cleavage (thereby inducing the SOS response). Recombinase mediator proteins RecF, RecO, and RecR act together to promote loading of RecA onto single stranded DNA. | The RecO protein is involved in DNA metabolism; it is required for DNA replication and normal SOS inducibility. When DNA is damaged and forms single-stranded DNA, Rec A binds single-stranded DNA (ssDNA). The binding of RecA onto ssDNA forms a nucleoprotein filament that promotes LexA cleavage (thereby inducing the SOS response). Recombinase mediator proteins RecF, RecO, and RecR act together to promote loading of RecA onto single stranded DNA. | ||
| − | + | [[File:HSiTAIWAN_Electronic.jpeg|600px|thumb|left|alt text]] | |
'''Background '''<br> | '''Background '''<br> | ||
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[[File:The FOR pathway and RecA filament in the process of SOS response.jpeg|400px|thumb|left|alt text]] | [[File:The FOR pathway and RecA filament in the process of SOS response.jpeg|400px|thumb|left|alt text]] | ||
| + | This figure is obtained from the reference below. | ||
| + | [[FileHSiTAIWAN_Electronic.jpeg|400px|thumb|left|alt text]] | ||
'''Refernce '''<br> | '''Refernce '''<br> | ||
Latest revision as of 20:42, 30 October 2016
RecO protein-SOS mediator protein
The RecO protein is involved in DNA metabolism; it is required for DNA replication and normal SOS inducibility. When DNA is damaged and forms single-stranded DNA, Rec A binds single-stranded DNA (ssDNA). The binding of RecA onto ssDNA forms a nucleoprotein filament that promotes LexA cleavage (thereby inducing the SOS response). Recombinase mediator proteins RecF, RecO, and RecR act together to promote loading of RecA onto single stranded DNA.
Background
RecA is a protein in nearly all bacteria and all organisms. Following a break on a single-stranded DNA (ssDNA), the exonuclease RecJ cleaves single-stranded DNA. The single-strand DNA-binding protein (SSB) binds to the daughter strand gap, preserving the integrity of the DNA. Recombinase mediator proteins RecF, RecO, and RecR act together to promote loading of RecA onto single stranded DNA. Rec A binds single-stranded DNA (ssDNA), forming a nucleoprotein filament that promotes LexA cleavage (thereby inducing the SOS response).
This figure is obtained from the reference below.
Refernce
Naofumi Handa, Katsumi Morimatsu, Susan T. Lovett, Stephen C. Kowalczykowski. Reconstitution of initial steps of dsDNA break repair by the RecF pathway of E. coli. GENES & DEVELOPMENT (2009). 23(10):1234–1245
Sequence and Features
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21COMPATIBLE WITH RFC[21]
- 23COMPATIBLE WITH RFC[23]
- 25COMPATIBLE WITH RFC[25]
- 1000COMPATIBLE WITH RFC[1000]