Abcam, ab73015, Anti-Parkin (phospho S101) antibody

Size: 100µL
Rabbit Polyclonal Parkin phospho S101 antibody. Suitable for WB and reacts with Transfected cell lysate - Human samples. Cited in 10 publications. Immunogen corresponding to Synthetic Peptide within Human PRKN phospho S101.
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Synthetic Peptide within Human PRKN phospho S101. The exact immunogen used to generate this antibody is proprietary information.O60260,
Specificity:ab73015 is specific for the ~52k parkin protein phosphorylated at Ser101. Immunolabeling of the parkin band is absent in parkin S101 mutants.

Product details:
Recent evidence suggests that phosphorylation of parkin at Ser101 may have an important regulatory role on its E3 ubiquitin ligase activity (Yamamoto et al., 2005).

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Purification notes-ab73015 is prepared from rabbit serum by affinity purification via sequential chromatography on phospho- and dephosphopeptide affinity columns., Storage buffer-pH: 7.5Constituents: 50% Glycerol (glycerin, glycerine), 0.87% Sodium chloride, 0.238% HEPES, 0.01% BSA, Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°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.
The Parkin protein also known as PRK8 or Park2 is an E3 ubiquitin ligase with a molecular weight of approximately 52 kDa. This protein plays a critical role in tagging damaged proteins for degradation maintaining cellular health. Parkin is expressed in various tissues with significant levels in dopaminergic neurons in the brain. It is encoded by the PARK2 gene and has been linked to the regulation of mitochondrial quality and autophagy processes contributing to cellular homeostasis.
Biological function summary
Parkin is essential for the regulation of mitochondria through its involvement in the mitochondrial quality control system. It functions as part of a complex with other proteins that respond to mitochondrial damage by tagging them with ubiquitin molecules. This mechanism allows for the removal of defective mitochondria via mitophagy critical for preventing the accumulation of damaged cellular components.
Pathways
Parkin interacts with pathways involved in the cellular stress response particularly the PINK1 (PTEN Induced Kinase
pathway. PINK1 phosphorylates Parkin activating it to label damaged mitochondria. Another critical pathway involves proteasomal degradation where Parkin collaborates with Ubiquitin to manage protein turnover. These pathways highlight its relationships with other cellular stress-regulating proteins enhancing our understanding of its roles in maintaining cellular integrity.
Mutations in the gene coding for Parkin are linked to Parkinson's disease (PD) and some forms of juvenile autosomal recessive parkinsonism. The Parkin protein's dysfunctional activity leads to impaired mitochondrial management and protein aggregation in neurons contributing significantly to neurodegenerative disease. In conditions such as PD Parkin interacts with other proteins such as PINK1 reinforcing its role in mitochondrial protection and indicating the protein's importance in disease progression and potential therapeutic targeting.