A DNA clamp, also known as a sliding clamp, is a protein complex that serves as a processivity-promoting factor in DNA replication. As a critical component...
23 KB (2,044 words) - 07:04, 10 March 2024
increase is facilitated by the DNA polymerase's association with proteins known as the sliding DNA clamp. The clamps are multiple protein subunits associated...
59 KB (7,106 words) - 00:05, 4 June 2025
Processivity (category DNA replication)
the DNA polymerases performing the replication. DNA clamp proteins are integral components of the DNA replication machinery and serve to increase the...
6 KB (826 words) - 20:25, 10 September 2023
primer-template junctions interact with the clamp loader, which loads the sliding clamp onto the DNA to begin DNA synthesis. The components of the preinitiation...
60 KB (7,447 words) - 05:04, 1 June 2025
Look up clamp or clamps in Wiktionary, the free dictionary. Clamp may refer to: Brick clamp, an early method of baking bricks Clamp (tool), a device or...
2 KB (312 words) - 01:02, 17 May 2025
subunit's proofreading. 2 β units (dnaN) which act as sliding DNA clamps, they keep the polymerase bound to the DNA. 2 τ units (dnaX) which act to dimerize two...
7 KB (807 words) - 21:22, 4 May 2025
touch) the DNA. Clamp domain, which is inserted between the two subdomains of the core domain at the top of the lever helices; the clamp domain has a...
8 KB (900 words) - 00:35, 16 December 2020
dnaN is the gene that codes for the DNA clamp (also known as β sliding clamp) of DNA polymerase III in prokaryotes. The β clamp physically locks Pol III...
15 KB (1,869 words) - 01:01, 4 June 2025
organisms, DNA polymerases function in a large complex called the replisome that contains multiple accessory subunits, such as the DNA clamp or helicases...
167 KB (17,915 words) - 22:22, 29 May 2025
Origin of replication (redirect from DNA replication origin)
material between generations requires timely and accurate duplication of DNA by semiconservative replication prior to cell division to ensure each daughter...
113 KB (12,563 words) - 03:12, 16 December 2024
Replisome (category DNA replication)
(primase or DNA polymerase alpha) Ensuring processivity (clamp loading factors, ring-shaped clamp proteins, strand binding proteins) High-fidelity DNA replication...
32 KB (3,700 words) - 00:38, 1 January 2024
DNA polymerase epsilon is a member of the DNA polymerase family of enzymes found in eukaryotes. It is composed of the following four subunits: POLE (central...
3 KB (336 words) - 03:59, 2 December 2024
A Ramachandran plot generated from human PCNA, a trimeric DNA clamp protein that contains both β-sheet and α-helix (PDB ID 1AXC). The red, brown, and...
16 KB (1,761 words) - 16:42, 2 June 2025
Proliferating cell nuclear antigen (category DNA replication)
Proliferating cell nuclear antigen (PCNA) is a DNA clamp that acts as a processivity factor for DNA polymerase δ in eukaryotic cells and is essential for...
55 KB (6,180 words) - 10:18, 9 May 2025
(PDB 1AXC), a sliding DNA clamp protein that is part of the DNA replication complex and serves as a processivity factor for DNA polymerase. The three...
5 KB (563 words) - 22:40, 23 May 2025
through its role as the clamp loader for PCNA (which involves catalysing the loading of PCNA on to DNA) is important for DNA Pol δ function.[citation...
2 KB (259 words) - 21:21, 11 December 2023
DNA polymerase epsilon catalytic subunit is an enzyme that in humans is encoded by the POLE gene. It is the central catalytic subunit of DNA polymerase...
9 KB (1,103 words) - 12:15, 20 March 2024
Replicon (genetics) (category DNA replication)
replicator is the entire DNA sequence (including, but not limited to the origin of replication) required to direct the initiation of DNA replication. The initiator...
6 KB (634 words) - 22:52, 2 December 2023
T7 phage (section DNA replication and repair)
is the T7 DNA polymerase. T7 DNA polymerase uses E. coli's endogenous thioredoxin, a REDOX protein, as a sliding DNA clamp during phage DNA replication...
17 KB (1,770 words) - 07:21, 27 August 2024
ADP-ribosylation (section DNA repair)
modification that is involved in many cellular processes, including cell signaling, DNA repair, gene regulation and apoptosis. Improper ADP-ribosylation has been...
29 KB (3,545 words) - 06:50, 27 February 2025
Replication factor C (category DNA replication)
replication as a clamp loader, similar to the γ Complex in Escherichia coli. Its role as a clamp loader involves catalyzing the loading of PCNA onto DNA. It binds...
6 KB (866 words) - 13:30, 2 July 2024
thermostable DNA polymerases (Q5 polymerase) were generated from various thermostable polymerases and the DNA clamp of the thermostable DNA-binding protein...
41 KB (5,192 words) - 18:26, 29 November 2024
of DNA replication stress. The RAD9-HUS1-Rad1 (9-1-1) heterotrimeric clamp and its clamp loader RFCRad17 are able to recognize gapped or nicked DNA. The...
121 KB (14,916 words) - 04:06, 3 January 2025
DNA polymerase delta subunit 3 is an enzyme that in humans is encoded by the POLD3 gene. It is a component of the DNA polymerase delta complex. POLD3...
6 KB (740 words) - 17:22, 3 December 2023
Transcription (biology) (redirect from DNA transcription)
as DNA damage or an active replication fork. In bacteria, the Mfd ATPase can remove a RNA polymerase stalled at a lesion by prying open its clamp. It...
58 KB (6,898 words) - 13:44, 24 May 2025
all coronavirus variants of concern. ZyCoV-D vaccine – The world's first DNA-based vaccine for humans. Carbon nitride solar reactor – In September 2021...
205 KB (23,046 words) - 04:07, 29 May 2025
pairs with the homopurine DNA strand in the DNA-PNA duplex. A tail clamp PNA (tcPNA) is also another form of triplex clamp that can also be formed. TcPNAs...
47 KB (6,098 words) - 00:58, 25 May 2025
Circular chromosome (redirect from Bacterial DNA)
and the core subunits of DNA Pol III dissociates from the β sliding clamp [B sliding clap is the processivity subunit of DNA Pol III]. The RNA primer...
21 KB (2,745 words) - 08:39, 17 November 2024
that nicks are sites for RFC-dependent loading of the replication sliding clamp, proliferating cell nuclear antigen (PCNA), in an orientation-specific manner...
37 KB (4,466 words) - 20:37, 29 May 2025
N-terminal domain, approx. 365 amino acids. The eukaryotic equivalent to the DNA clamp loader is replication factor C, with the subunits RFC1, RFC2, RFC3, RFC4...
2 KB (208 words) - 22:57, 28 January 2023