Anti-SPARC Antibody Picoband™

Product Name

Anti-SPARC Antibody Picoband™

View all SPARC Antibodies

SKU/Catalog Number

PB9559

Size

100 μg/vial

Form

Lyophilized

Description

Boster Bio Anti-SPARC Antibody Picoband™ catalog # PB9559. Tested in WB applications. This antibody reacts with Human.

Storage & Handling

Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.

Cite This Product

Anti-SPARC Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # PB9559)

Host

Rabbit

Contents

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

A synthetic peptide corresponding to a sequence at the C-terminus of human SPARC, different from the related mouse and rat sequences by four amino acids.

*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.

Cross-reactivity

No cross-reactivity with other proteins

Reactive Species

PB9559 is reactive to SPARC in Human

Applications

PB9559 is guaranteed for WB Boster Guarantee

Observed Molecular Weight

35 kDa

Calculated molecular weight

34.632kDa

Background of SPARC

SPARC, secreted protein acidic and rich in cysteine , also known as Osteonectin is a protein that in humans is encoded by the SPARC gene. The human SPARC gene is 26.5 kb long, and contains 10 exons and 9 introns and is located on chromosome 5q31-q33. SPARC is a glycoprotein of 40 kD. SPARC is an acidic, cysteine-rich glycoprotein consisting of a single polypeptide chain that can be broken into 4 domains: 1) an Ca++ binding domains near the glutamic acidic-rich region at the amino terminus (domain I), 2) a cysteine- rich (domain II), 3) a hydrophilic region (domain III) and 4) an EF hand motif at the carboxy terminus region (domain IV). Osteonectin is a glycoprotein in the bone that binds sodium. It is secreted by osteoblasts during bone formation, initiating mineralization and promoting mineral crystal formation. Osteonectin also shows affinity for collagen in addition to bone mineral calcium. A correlation between osteonectin over expression and ampullary cancers and chronic pancreatitis has been found.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Reconsitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

Western blot, 0.1-0.5μg/ml, Human

Validation Images & Assay Conditions

Click image to see more details

Figure 1. Western blot analysis of SPARC using anti-SPARC antibody (PB9559).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours.
Lane 1: HELA Whole Cell Lysate at 40ug,
Lane 2: 293T Whole Cell Lysate at 40ug,
Lane 3: MCF-7 Whole Cell Lysate at 40ug.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-SPARC antigen affinity purified polyclonal antibody (Catalog # PB9559) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for SPARC at approximately 35 kDa. The expected band size for SPARC is at 35 kDa.

Gene/Protein Information For SPARC (Source: Uniprot.org, NCBI)

Alternative Names

Basement-membrane protein 40; BM-40; ONcysteine-rich protein; Osteonectin; Secreted protein acidic and rich in cysteine; secreted protein, acidic, cysteine-rich (osteonectin); SPARC SPARC BM-40, OI17, ON, ONT secreted protein acidic and cysteine rich SPARC|basement-membrane protein 40|secreted protein, acidic, cysteine-rich (osteonectin)

For more info on SPARC, check out the SPARC Infographic

We have 30,000+ of these available, one for each gene! Check them out.

In this infographic, you will see the following information for SPARC: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].

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