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77782 Ensembl ENSG00000051341 ENSMUSG00000034206 UniProt O75417 Q8CGS6 RefSeq (mRNA) NM_199420 NM_006596 NM_001159369 NM_029977 RefSeq (protein) NP_955452 NP_001152841 NP_084253 Location (UCSC) Chr 3: 121.43 – 121.55 Mb Chr 16: 36.83 – 36.92 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse DNA polymerase theta is an enzyme that in humans is encoded by the POLQ gene. This ...
Incomplete DNA synthesis and DNA strand breaks are both potential sources of genomic instability. An arsenal of DNA repair mechanisms exists to repair various forms of damaged DNA and minimize genomic instability. Most DNA repair mechanisms require an intact DNA strand as template to fix the damaged strand.
5430 20020 Ensembl ENSG00000284832 ENSG00000181222 ENSMUSG00000005198 UniProt P24928 P08775 RefSeq (mRNA) NM_000937 NM_009089 NM_001291068 RefSeq (protein) NP_000928 NP_001277997 Location (UCSC) Chr 17: 7.48 – 7.51 Mb Chr 11: 69.62 – 69.65 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse DNA-directed RNA polymerase II subunit RPB1, also known as RPB1, is an enzyme that is encoded ...
Microhomology-mediated end joining (MMEJ), also known as alternative nonhomologous end-joining (Alt-NHEJ) is one of the pathways for repairing double-strand breaks in DNA. As reviewed by McVey and Lee, [1] the foremost distinguishing property of MMEJ is the use of microhomologous sequences during the alignment of broken ends before joining, thereby resulting in deletions flanking the original ...
DNA synthesis is initiated by the RNA polymerase primase, which makes an RNA primer with a free 3'OH. [23] This primer is attached to the single-stranded DNA template, and DNA polymerase elongates the chain by incorporating nucleotides; DNA polymerase also proofreads the newly synthesized DNA strand. [23]
[7] [8] NHEJ is the main pathway in higher eukaryotes for repair of DNA DSBs. Chromosomal DSBs are the most severe type of DNA damage. During NHEJ, duplexes generated by the alignment of broken DNA ends usually contain small gaps that need to be filled in by a DNA polymerase. DNA polymerase lambda can perform this function. [9]
The protein encoded by this gene is found in the nucleus and is a cofactor of DNA polymerase delta. The encoded protein acts as a homotrimer and helps increase the processivity of leading strand synthesis during DNA replication. In response to DNA damage, this protein is ubiquitinated and is involved in the RAD6-dependent DNA repair pathway ...
Since DNA polymerase requires a free 3' OH group for initiation of synthesis, it can synthesize in only one direction by extending the 3' end of the preexisting nucleotide chain. Hence, DNA polymerase moves along the template strand in a 3'–5' direction, and the daughter strand is formed in a 5'–3' direction.
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