Abcam, ab114333, Recombinant Human DDB1 protein

Size: 10µg
Recombinant Human DDB1 protein is a Human Full Length protein, in the 1 to 1140 aa range, expressed in Wheat germ, suitable for SDS-PAGE, ELISA, WB.
Key facts
Expression system:Wheat germ,
Tags:GST tag N-Terminus,
Applications:WB, ELISA, SDS-PAGESee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:No,
Accession:Q16531,
Animal free:No,
Carrier free:No,
Species:Human,
Storage buffer:pH: 8Constituents: 0.79% Tris HCl, 0.3% Glutathione

Properties and Storage Information:
Shipped at conditions-Dry Ice, Appropriate short-term storage conditions--80°C, Appropriate long-term storage conditions--80°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
DDB1 also known as Damage-Specific DNA Binding Protein 1 and DDB00A acts mechanically by recognizing and binding to DNA damage sites particularly UV-induced lesions. It functions as part of the UV-damaged DNA-binding protein complex. DDB1 has a molecular weight of approximately 127 kDa. It expresses in various tissues prominently in cells that are actively cycling. The protein often cooperates with other proteins to promote DNA repair and maintenance of genomic stability.
Biological function summary
In terms of cellular processes beyond DDB1's immediate interactions it plays a critical role in DNA repair mechanisms and the cell cycle. DDB1 is part of the larger CUL4-DDB1 ubiquitin ligase complex which targets specific proteins for ubiquitination and subsequent degradation therefore facilitating DNA repair and regulating cell cycle progression. This ability to target damaged proteins or signaling errors for removal helps maintain cellular health and preserve genetic information integrity.
Pathways
DDB1 is pivotal in the nucleotide excision repair pathway and the DNA damage response pathway. It interacts dynamically with proteins such as XPC (xeroderma pigmentosum group C) to initiate repair mechanisms ensuring the proper removal of damaged DNA sections. Moreover DDB1's role in ubiquitination connects it to pathways regulating protein turnover and cellular homeostasis interacting with the ubiquitin-proteasome system which is important for controlling protein degradation.
DDB1's malfunction or misregulation associates with conditions like xeroderma pigmentosum due to its role in DNA damage repair. It is also linked to certain cancer types where DNA repair deficiencies contribute to uncontrolled cell proliferation. Through these diseases DDB1 often interacts with proteins such as BRWD3 which may modulate DDB1's activity or stability influencing the disease outcomes by affecting the DNA repair capacity or recognizing specific proteins for degradation.