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.
Applications:Suitable for use in Western Blot, Immunofluorescence/Immunocytochemistry and ELISA.
Other applications not tested.
Recommended Dilution:Western Blot: 1:1000-1:3000, incubate membrane with diluted primary antibody in TBS, 5% milk, 0.1% Tween 20 at 4°C with gentle shaking, overnight
Immunofluorescence (IF-IC): 1:100-1:500ELISA (peptide): 1:20,000-1:40,000Optimal dilutions to be determined by the researcher.
Storage and Stability:May be stored at 4°C for short-term only.
Aliquot to avoid repeated freezing and thawing.
Store at -20°C.
Aliquots are stable for 12 months after receipt.
For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
仕様
Size：200ul
Host：rabbit
Source Antibody：human
Grade：Affinity Purified
Purity：Purified by immunoaffinity chromatography from serum.
Form：Supplied as a liquid in PBS, pH 7.4, 0.02% sodium azide, 50% glycerol.
Specificity：Recognizes endogenous levels of total human UBA52. Species Crossreactivity: mouse and monkey
Isotype：IgG
Calc Applications Abbrev：E IC IF WB
Calc Crossreactivity：Hu Mk Mo
Immunogen：Synthetic peptide corresponding to human UBA52 at C-terminal. Species sequence homology: porcine(100%), zebrafish(100%), bovine(100%), equine(100%), sheep(100%), canine(100%), chicken(100%), xenopus (100%)
