Sandbox GGC15
From Proteopedia
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==DNA TOPOISOMERASE I== | ==DNA TOPOISOMERASE I== | ||
<StructureSection load='1A36' size='340' side='right' caption='Caption for this structure' scene=''> | <StructureSection load='1A36' size='340' side='right' caption='Caption for this structure' scene=''> | ||
| - | Eukaryotic DNA topoisomerase I (topo I) is a protein that reduces the strain from the supercoils that are caused during transcription and translation<ref>DOI 10.1073/pnas.242259599</ref>. There are two types of topoisomerases. Type 1 topoisomerases are monomeric and break one strand of DNA<ref>PMID:9488644</ref>. Type 2 topoisomerases are dimeric, meaning that they made up of two units and break both strands of the DNA helix<ref name="Staker et al., 2002" | + | Eukaryotic DNA topoisomerase I (topo I) is a protein that reduces the strain from the supercoils that are caused during transcription and translation<ref name="Redinbo et al., 1998">DOI 10.1073/pnas.242259599</ref>. There are two types of topoisomerases. Type 1 topoisomerases are monomeric and break one strand of DNA<ref name="Staker et al., 2002">PMID:9488644</ref>. Type 2 topoisomerases are dimeric, meaning that they made up of two units and break both strands of the DNA helix<ref name="Staker et al., 2002" />. They are able to pass another part of the duplex through the cut, and close the cut using ATP<ref name="Staker et al., 2002" />. |
== Function == | == Function == | ||
Revision as of 20:29, 27 April 2021
DNA TOPOISOMERASE I
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References
- ↑ Staker BL, Hjerrild K, Feese MD, Behnke CA, Burgin AB Jr, Stewart L. The mechanism of topoisomerase I poisoning by a camptothecin analog. Proc Natl Acad Sci U S A. 2002 Nov 26;99(24):15387-92. Epub 2002 Nov 8. PMID:12426403 doi:10.1073/pnas.242259599
- ↑ 2.0 2.1 2.2 Redinbo MR, Stewart L, Kuhn P, Champoux JJ, Hol WG. Crystal structures of human topoisomerase I in covalent and noncovalent complexes with DNA. Science. 1998 Mar 6;279(5356):1504-13. PMID:9488644
