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Rabbit Polyclonal Anti-Ub antibody (STJ98816)
Supplier: St John’s Laboratory Ltd.
Recommended applications: IHC-P, ELISA
Recommended dilution: IHC-P 1:50-300; ELISA 1:5000-20000
Recommended protocols: check protocols
Click or hover above images to see image description for Anti-Ub antibody.
Check alternative names for the antibodyExpand
SCBT cat No:
|Catalogue No.|| |
Human, Mouse, Rat
Anti-Ub antibody detects endogenous Ub.
Synthetic peptide from human protein at AA range: 1-50.
|Recommended dilution|| |
IHC-P 1:50-300; ELISA 1:5000-20000
Anti-Ub antibody was tube-contained in PBS, pH 7.4, containing 0.02% sodium azide as Preservative and 50% Glycerol.
Anti-Ub antibody was affinity-purified from rabbit serum by affinity-chromatography using specific immunogen.
-20 Celsius degree. Avoid repeated freeze/thaw cycles.
|Database links|| |
|Protein function|| |
Ubiquitin: Exists either covalently attached to another protein, or free (unanchored). When covalently bound, it is conjugated to target proteins via an isopeptide bond either as a monomer (monoubiquitin), a polymer linked via different Lys residues of the ubiquitin (polyubiquitin chains) or a linear polymer linked via the initiator Met of the ubiquitin (linear polyubiquitin chains). Polyubiquitin chains, when attached to a target protein, have different functions depending on the Lys residue of the ubiquitin that is linked: Lys-6-linked may be involved in DNA repair; Lys-11-linked is involved in ERAD (endoplasmic reticulum-associated degradation) and in cell-cycle regulation; Lys-29-linked is involved in lysosomal degradation; Lys-33-linked is involved in kinase modification; Lys-48-linked is involved in protein degradation via the proteasome; Lys-63-linked is involved in endocytosis, DNA-damage responses as well as in signaling processes leading to activation of the transcription factor NF-kappa-B. Linear polymer chains formed via attachment by the initiator Met lead to cell signaling. Ubiquitin is usually conjugated to Lys residues of target proteins, however, in rare cases, conjugation to Cys or Ser residues has been observed. When polyubiquitin is free (unanchored-polyubiquitin), it also has distinct roles, such as in activation of protein kinases, and in signaling. .
|Protein sequence and domain|| |
Belongs to the ubiquitin family. ; Contains 3 ubiquitin-like domains.
|Protein post-translational modifications|| |
Ubiquitin: Phosphorylated at Ser-65 by PINK1 during mitophagy. Phosphorylated ubiquitin specifically binds and activates parkin (PARK2), triggering mitophagy (PubMed:24660806, PubMed:24751536, PubMed:24784582, PubMed:25527291). Phosphorylation does not affect E1-mediated E2 charging of ubiquitin but affects discharging of E2 enzymes to form polyubiquitin chains. It also affects deubiquitination by deubiquitinase enzymes such as USP30 (PubMed:25527291). .
|Protein cellular localization|| |
Ubiquitin: Cytoplasm . Nucleus .
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St John’s Laboratory Ltd.
|Product type|| |
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