Western Blot: Detects farnesyl motif derived from isoprenylated C-A-A-X sequence. Alsocross-reacts with geranylgeranyl motif. Detects KLH as well. Not suitable for Western blotdue to hydrophobicity of isoprenylated motif. Other applications not tested. Optimal dilutions are dependent on conditions and should be determined by the user.
Restrictions
For Research Use only
Concentration
1.0 mg/mL
Buffer
Phosphate buffered saline with 0.08 % Sodium Azide
Agent conservateur
Sodium azide
Précaution d'utilisation
This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Conseil sur la manipulation
Avoid repeated freezing and thawing.
Stock
-20 °C
Stockage commentaire
The antibody can be shipped at ambient temperature. Store (in aliquots) at -20 °C only.
Antigène
Farnesyl
Classe de substances
Chemical
Sujet
Protein isoprenylation is a post-translational modification that affects about 0.5?% of cellular proteins and is essential for the biological activity of proteins. Two enzymes catalyze the attachment of two prenyl groups to the sulfhydryl group of carboxyl-terminal cysteine groups. Proteins which are prenylated by these enzymes have a distinct motif at the C-terminal of the protein, C-A1-A2-X (C = Cysteine, A 1 & A2 = aliphatic amino acids). The two enzymes involved in this transfer are farnesyltransferase and geranylgeranyltransferase. These transfer a 15 carbon farnesyl or a 20 carbon geranygeranyl, respectively, from a prenyl-pyrophosphate to the protein. Examples of proteins containing this C-A-A-X motif are members of the Ras small G protein family, the nuclear lamins and the gamma subunit of trimeric G proteins. Prenylation of proteins is necessary for membrane association of proteins as well as protein-protein interactions and the nature of the linked isoprenyl group can influence the protein interactions, such as the interaction between G proteins and receptors.