Datasheet

CAPS1 Antibody
CATALOG NUMBER: 4561

Availability: In stock

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Specifications
Properties
Additional Info
Background

Specifications

SPECIES REACTIVITY:Human, Mouse, Rat
HOMOLOGY:Predicted species reactivity based on immunogen sequence: Bovine: (86%)
TESTED APPLICATIONS:ELISA, IF, IHC-P, WB
APPLICATIONS:CAPS1 antibody can be used for detection of CAPS1 by Western blot at 0.25 - 0.5 μg/mL. Antibody can also be used for immunohistochemistry starting at 5 μg/mL. For immunofluorescence start at 20 μg/mL.
USER NOTE:Optimal dilutions for each application to be determined by the researcher.
POSITIVE CONTROL:1) Cat. No. 1463 - Rat Brain Tissue Lysate
 2) Cat. No. 10-301 - Human Brain Tissue Slide
SPECIFICITY:Numerous isoforms of CAPS1 are known to exist. This CAPS1 antibody is predicted to be specific to CAPS1 and not recognize CAPS2.
IMMUNOGEN:CAPS1 antibody was raised against a 21 amino acid synthetic peptide near the amino terminus of the human CAPS1.

The immunogen is located within amino acids 90 - 140 of CAPS1.
HOST SPECIES:Rabbit

Properties

PURIFICATION:CAPS1 Antibody is affinity chromatography purified via peptide column.
PHYSICAL STATE:Liquid
BUFFER:CAPS1 Antibody is supplied in PBS containing 0.02% sodium azide.
CONCENTRATION:1 mg/mL
STORAGE CONDITIONS:CAPS1 antibody can be stored at 4˚C for three months and -20˚C, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.
CLONALITY:Polyclonal
ISOTYPE:IgG
CONJUGATE:Unconjugated

Additional Info

ALTERNATE NAMES:CAPS1 Antibody: CAPS, CAPS1, CADPS1, CAPS, KIAA1121, Calcium-dependent secretion activator 1, Calcium-dependent activator protein for secretion 1, CAPS-1
ACCESSION NO.:NP_899631
PROTEIN GI NO.:34452713
OFFICIAL SYMBOL:CADPS
GENE ID:8618

Background

BACKGROUND:CAPS1 Antibody: CAPS1 and its related protein CAPS2 encode novel neural/endocrine-specific cytosolic and peripheral membrane proteins. Both are essential components of the synaptic vesicle priming machinery and are required for the Ca2+-regulated exocytosis of secretory vesicles; CAPS-deficienct neurons contain no or very few fusion competent synaptic vesicles, causing a selective impairment of fast phasic transmitter release. CAPS1 acts at a stage in exocytosis that follows ATP-dependent priming, which involves the essential synthesis of phosphatidylinositol 4, 5-bisphosphate and is thought to be a specific regulator of large dense-core vesicle fusion.
REFERENCES: 1) Walent JH, Porter BW, and Martin TF. A novel 145 kD brain cytosolic protein reconstitutes Ca(2+)-regulated secretion in permeable neuroendocrine cells. Cell1992; 70:765-775.
2) Juckusch WJ, Speidel D, Sigler A, et al. CAPS-1 and CAPS-2 are essential synaptic vesicle priming proteins. Cell2007; 131:796-808.
3) Rupnick M, Kreft M, Sikdat SK, et al. Rapid regulated dense-core vesicle exocytosis requires the CAPS protein. Proc. Natl. Acad. Sci. USA2000; 97:5627-32.

For Research Use Only