• Flap endonucleases (FENs, also known as 5' durgs in older references) are a class of nucleolytic enzymes that act as both 5'-3' exonucleases and structure-specific...
    5 KB (614 words) - 03:57, 20 February 2024
  • Thumbnail for Flap structure-specific endonuclease 1
    Flap endonuclease 1 is an enzyme that in humans is encoded by the FEN1 gene. The protein encoded by this gene removes 5' overhanging "flaps" (or short...
    23 KB (2,642 words) - 21:34, 20 February 2024
  • Thumbnail for Okazaki fragments
    displaces the RNA/DNA initiator primer into a 5′ flap. The FEN1 5’-3’ endonuclease recognizes that the 5’ flap is displaced, and it cleaves, creating a substrate...
    34 KB (4,470 words) - 07:49, 11 November 2024
  • In molecular biology, endonucleases are enzymes that cleave the phosphodiester bond within a polynucleotide chain (namely DNA or RNA). Some, such as deoxyribonuclease...
    25 KB (2,688 words) - 17:16, 23 May 2025
  • Thumbnail for Base excision repair
    removes the 5' flap generated during long patch BER. This endonuclease shows a strong preference for a long 5' flap adjacent to a 1-nt 3' flap. The yeast...
    29 KB (3,493 words) - 01:31, 15 January 2025
  • 3'-end, which is an approach generally known as Taq-MAMA. Flap endonuclease (FEN) is an endonuclease that catalyzes structure-specific cleavage. This cleavage...
    37 KB (5,012 words) - 04:27, 16 June 2025
  • Thumbnail for DNA repair
    microhomology regions followed by recruitment of flap structure-specific endonuclease 1 (FEN1) to remove overhanging flaps. This is followed by recruitment of XRCC1–LIG3...
    132 KB (16,142 words) - 16:06, 11 June 2025
  • Thumbnail for GEN1, Holliday junction 5' flap endonuclease
    GEN1, Holliday junction 5' flap endonuclease is a protein that in humans is encoded by the GEN1 gene. This gene encodes a member of the Rad2/xeroderma...
    6 KB (802 words) - 18:50, 12 May 2025
  • Thumbnail for Nuclease
    produced in the DNA backbone by base pair mismatches. For details see flap endonuclease. There are more than 900 restriction enzymes, some sequence specific...
    22 KB (2,538 words) - 09:39, 13 February 2025
  • Thumbnail for CpG site
    KH, Lin D, Shen B (2008). "Overexpression and hypomethylation of flap endonuclease 1 gene in breast and other cancers". Mol. Cancer Res. 6 (11): 1710–7...
    51 KB (5,459 words) - 15:10, 5 April 2025
  • Final Exit Network (FEN), an American right-to-die advocacy group Flap endonuclease Forsyth–Edwards Notation (FEN) for chess positions Fédération des...
    2 KB (297 words) - 17:39, 19 February 2025
  • Thumbnail for Proliferating cell nuclear antigen
    methyltransferase DNA polymerases E2 SUMO-conjugating enzyme E3 ubiquitin ligases Flap endonuclease Helicases Histone acetyltransferase Histone chaperone Histone deacetylase...
    55 KB (6,180 words) - 10:18, 9 May 2025
  • the enzymes DNA polymerase family B, the topoisomerase II A, the FLAP endonuclease and the processing factor proliferating cell nuclear antigen. Other...
    28 KB (3,021 words) - 03:23, 26 May 2025
  • Thumbnail for Cancer epigenetics
    least a small deletion, so that it is a mutagenic pathway. FEN1, the flap endonuclease in MMEJ, is epigenetically increased by promoter hypomethylation and...
    111 KB (12,542 words) - 09:15, 9 June 2025
  • Thumbnail for Nucleotide excision repair
    to copy the undamaged strand via translocation. DNA ligase I and Flap endonuclease 1 or the Ligase-III-XRCC1 complex seal the nicks to complete NER....
    33 KB (3,623 words) - 18:02, 20 August 2024
  • Thumbnail for Eukaryotic DNA replication
    creating a flap structure. This flap is then cleaved by endonucleases. At the replication fork, the gap in DNA after removal of the flap is sealed by...
    121 KB (14,916 words) - 04:06, 3 January 2025
  • Thumbnail for FAN1
    nucleotide and another strand with a gap. FAN1 preferentially acts as a 5’ flap endonuclease. This is illustrated in Figure 2, which shows the sequence of substrate...
    16 KB (1,817 words) - 20:16, 22 January 2024
  • Thumbnail for DNA demethylation
    flap. Pol β can also perform long-patch displacement synthesis. Long-patch synthesis typically inserts 2–10 new nucleotides. Then flap endonuclease removes...
    41 KB (5,135 words) - 18:23, 6 February 2025
  • Thumbnail for Chromosome 2
    chain 1 pseudogene 3 GEN1 encoding protein GEN1, Holliday junction 5' flap endonuclease GCKR: Glucokinase regulator GFPT1: glutamine—fructose-6-phosphate...
    40 KB (2,544 words) - 18:50, 18 May 2025
  • Thumbnail for Exonuclease 1
    of human exonuclease 1 exhibits 5' to 3' exonuclease and flap structure-specific endonuclease activities". J. Biol. Chem. 274 (53): 37763–9. doi:10.1074/jbc...
    13 KB (1,638 words) - 12:22, 17 June 2025
  • Thumbnail for Taq polymerase
    doi:10.1073/pnas.96.17.9491. PMC 22236. PMID 10449720. "Will the 5'→3' flap endonuclease activity of Taq DNA Polymerase degrade primers?". New England Biolabs...
    22 KB (2,627 words) - 14:06, 26 May 2025
  • KH, Lin D, Shen B (2008). "Overexpression and hypomethylation of flap endonuclease 1 gene in breast and other cancers". Mol. Cancer Res. 6 (11): 1710–1717...
    19 KB (2,390 words) - 22:58, 3 December 2023
  • Thumbnail for DNA replication
    plasmids that use the rolling circle replication (RCR) mechanism, the RCR endonuclease creates a nick in the genome strand (single stranded viruses) or one...
    60 KB (7,447 words) - 19:09, 7 June 2025
  • Thumbnail for Werner syndrome helicase
    Wu L, Bohr VA, Hickson ID, Brosh RM (March 2004). "Stimulation of flap endonuclease-1 by the Bloom's syndrome protein". J. Biol. Chem. 279 (11): 9847–56...
    33 KB (4,150 words) - 13:37, 10 April 2025
  • fragment Eukaryotic (synthesis in S phase) Replication factor C RFC1 Flap endonuclease FEN1 Topoisomerase Replication protein A RPA1 Eukaryotic DNA polymerase:...
    6 KB (634 words) - 22:52, 2 December 2023
  • pathway of fission yeast meiotic recombination in the absence of a DNA flap endonuclease". Genetics. 171 (4): 1499–511. doi:10.1534/genetics.105.046821. PMC 1456079...
    15 KB (1,706 words) - 11:18, 21 May 2024
  • Thumbnail for Bloom syndrome protein
    Wu L, Bohr VA, Hickson ID, Brosh RM (March 2004). "Stimulation of flap endonuclease-1 by the Bloom's syndrome protein". J. Biol. Chem. 279 (11): 9847–56...
    21 KB (2,565 words) - 06:29, 24 September 2024
  • Thumbnail for ADP-ribosylation
    Boulares HA, Yakovlev AG, Smulson ME (2000). "Genome Degradation by DNAS1L3 Endonuclease: A Key PARP-1-Regulated Event in Apoptosis". Madame Curie Bioscience...
    29 KB (3,545 words) - 06:50, 27 February 2025
  • fragment Eukaryotic (synthesis in S phase) Replication factor C RFC1 Flap endonuclease FEN1 Topoisomerase Replication protein A RPA1 Eukaryotic DNA polymerase:...
    3 KB (336 words) - 03:59, 2 December 2024
  • Thumbnail for Schizosaccharomyces pombe
    pathway of fission yeast meiotic recombination in the absence of a DNA flap endonuclease". Genetics. 171 (4): 1499–1511. doi:10.1534/genetics.105.046821. PMC 1456079...
    53 KB (6,075 words) - 23:12, 3 February 2025