Endonuclease

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*'''ENN-I''' operates on DNA with separate restriction site and cleavage pattern.
*'''ENN-I''' operates on DNA with separate restriction site and cleavage pattern.
*'''ENN-II''' operates on overlapping restriction site and cleavage pattern.
*'''ENN-II''' operates on overlapping restriction site and cleavage pattern.
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*'''ENN-III''' is a bifunctional DNA glycosylase that removes oxidized pyrimidines from DNA<ref>PMID:30959406</ref>.
Some ENNs are encoded within introns thus facilitating their mobility. These ENNs or inteins are designated I-ENN<ref>PMID:12483517</ref>.<br />
Some ENNs are encoded within introns thus facilitating their mobility. These ENNs or inteins are designated I-ENN<ref>PMID:12483517</ref>.<br />
The '''Cas ENN''' proteins are part of '''CRISPR/Cas''' prokaryotic immune system which confers protection from foreign genetic elements like viruses. The '''CRISPR''' ('''C'''lustered '''R'''egularly '''I'''nterspersed '''S'''hort '''P'''alindromic '''R'''epeats) are DNA loci which are found in ca. 40% of the bacteria. The CRISPR/Cas system is being used lately as gene editing tool<ref>PMID:20056882</ref>. For more details see<br />
The '''Cas ENN''' proteins are part of '''CRISPR/Cas''' prokaryotic immune system which confers protection from foreign genetic elements like viruses. The '''CRISPR''' ('''C'''lustered '''R'''egularly '''I'''nterspersed '''S'''hort '''P'''alindromic '''R'''epeats) are DNA loci which are found in ca. 40% of the bacteria. The CRISPR/Cas system is being used lately as gene editing tool<ref>PMID:20056882</ref>. For more details see<br />

Revision as of 08:45, 17 June 2024

E. coli EcoRV endonuclease dimer (magenta, green) complex with DNA, (PDB code 1rva)

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References

  1. ↑ Sarre A, Stelter M, Rollo F, De Bonis S, Seck A, Hognon C, Ravanat JL, Monari A, Dehez F, Moe E, Timmins J. The three Endonuclease III variants of Deinococcus radiodurans possess distinct and complementary DNA repair activities. DNA Repair (Amst). 2019 Jun;78:45-59. PMID:30959406 doi:10.1016/j.dnarep.2019.03.014
  2. ↑ Nishino T, Morikawa K. Structure and function of nucleases in DNA repair: shape, grip and blade of the DNA scissors. Oncogene. 2002 Dec 16;21(58):9022-32. PMID:12483517 doi:http://dx.doi.org/10.1038/sj.onc.1206135
  3. ↑ Horvath P, Barrangou R. CRISPR/Cas, the immune system of bacteria and archaea. Science. 2010 Jan 8;327(5962):167-70. doi: 10.1126/science.1179555. PMID:20056882 doi:http://dx.doi.org/10.1126/science.1179555
  4. ↑ Flick KE, Jurica MS, Monnat RJ Jr, Stoddard BL. DNA binding and cleavage by the nuclear intron-encoded homing endonuclease I-PpoI. Nature. 1998 Jul 2;394(6688):96-101. PMID:9665136 doi:10.1038/27952

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