Replication Termination Protein: Difference between revisions
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[[Image:RTP.png|450px|right|thumb| Diagram of RTP monomer with secondary structure highlighted.]] | [[Image:RTP.png|450px|right|thumb| Diagram of RTP monomer with secondary structure highlighted.]] | ||
The replication termination protein (RTP) is one of only two well-defined proteins known to be involved in arresting DNA replication forks, the other being a protein known as tus (termination utilisation substance) from E. coli <ref> Kamada K, Horiuchi T, Ohsumi K, Shimamoto N, Morkikawa K, (1996) Structure of a replication-terminator protein complexed with DNA. Nature, 383:598-603 </ref>. RTP was discovered in Bacillus subtilis and has been identified as a DNA binding protein of the winged helix family that forms a dimer of 29kDa. This dimeric form has been shown to have an exceptionally high affinity for its cognate binding sites( Kd ~10-11M-1)<ref> Wilce et. al. (2001) Structure of the RTP−DNA complex and the mechanism of polar replication fork arrest. Nature Structural Biology, 8:206-210 </ref>, otherwise known as Termination sites (Ter sites). These Ter sites are found in multiple locations in the B. subtilis genome <ref> Gautam A. et.al. (2001) A single domain of the replication termination protein of Bacillus subtilis is involved in arresting both DnaB helicase and RNA polymerase. Journal of Biological Chemistry, 276:23471-23479</ref>. For more details see [[RTP and Tus]] | The replication termination protein (RTP) is one of only two well-defined proteins known to be involved in arresting DNA replication forks, the other being a protein known as tus (termination utilisation substance) from E. coli <ref> Kamada K, Horiuchi T, Ohsumi K, Shimamoto N, Morkikawa K, (1996) Structure of a replication-terminator protein complexed with DNA. Nature, 383:598-603 </ref>. RTP was discovered in Bacillus subtilis and has been identified as a DNA binding protein of the winged helix family that forms a dimer of 29kDa. This dimeric form has been shown to have an exceptionally high affinity for its cognate binding sites( Kd ~10-11M-1)<ref> Wilce et. al. (2001) Structure of the RTP−DNA complex and the mechanism of polar replication fork arrest. Nature Structural Biology, 8:206-210 </ref>, otherwise known as Termination sites (Ter sites). These Ter sites are found in multiple locations in the B. subtilis genome <ref> Gautam A. et.al. (2001) A single domain of the replication termination protein of Bacillus subtilis is involved in arresting both DnaB helicase and RNA polymerase. Journal of Biological Chemistry, 276:23471-23479</ref>. For more details see: [[RTP and Tus]]<br /> | ||
[[User:bianca Varney/Bacterial Replication Termination]]<br /> | |||
[[User:Chloe Paul/Replication Terminator Protein]]<br /> | |||
[[User:David Jung/BCHM3981 RTP Tus]]. | |||