Control Peptide for G4000-01G (ascites) and G4000-01D (affinity purified)
An 18-aa peptide sequence near the amino terminus of rat GAD65 .
Gamma-Aminobutyric acid (GABA) is the major inhibitory neurotransmitter in the brain. Glutamic acid decarboxylase (GAD; E.C.4.1.1.15) catalyzes the decarboxylation of glutamate to produce GABA-the rate limiting step in the synthesis of GABA. The two major isoform of GAD, GAD67 (MW 67kD) and GAD65 (MW 65kD) are derived from distinct genes and differ in their subcellular distribution. GAD67 is 594 aa single chain polypeptide encoded by human chromosome 2 gene, whereas GAD65 is am amphiphilic and membrane anchored protein (585 aa, chromosome 10). GAD isoform shares ~65% homology. GAD is also a major autoantigen associated with SMS (stiff-man syndrome).
Applications:
Suitable for use in ELISA. Not suitable for Western Blot, low MW:<3kD, Other applications have not been tested.
Recommended Dilution:
ELISA: 5-10ug control peptide/1ug of affinity pure IgG or 1ul antiserum.
Optimal dilutions to be determined by the researcher.
Storage and Stability:
May be stored at 4 degrees C for short-term only. For long-term storage, store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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