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Datasheet

OspB Control Protein

1 References
000-001-C15
100 µg
WB, SDS-PAGE
Borrelia burgdorferi
E. coli
$399.00 /Per Item
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Background

OspB, is one of the major Outer Surface Proteins of the outer membrane of Borrelia burgdorferi, which is composed of various unique outer surface proteins (Osp) that have been characterized (OspA through OspF). The Osp proteins are lipoproteins anchored by N-terminally attached fatty acid molecules to the membrane. They are presumed to play a role in virulence, transmission, or survival in the tick. Two of the major surface Ag of Borrelia burgdorferi, the 31-kDa OspA and 34-kDa OspB proteins, show a high degree of sequence similarity, are encoded by a 49-kb plasmid and share a common promoter, and are coordinately transcribed. OspA, OspB, and OspD are expressed by B. burgdorferi residing in the gut of unfed ticks, suggesting that they promote the persistence of the spirochete in ticks between blood meals. OspB has a contributing role in the adherence of B. burgdorferi to the tick gut. The C terminus of OspB is important for eliciting a protective immune response to OspB. B. burgdorferi has the ability to vary its surface proteins in response to immune attack. Lyme disease proteins are ideal for researchers interested in immunology, neurology, rheumatology, coinfections, autoimmune, and neurodegenerative diseases.

Product Details

OspB Control Protein - 000-001-C15
Outer surface protein B, Borrelia burgdorferi OspB, control protein
Borrelia burgdorferi
E. coli
Recombinant Protein

Target Details

ospB, locus BB_A16  - View All ospB, locus BB_A16 Products
OspB is a fusion protein with an MBP tag and was expressed in E. coli. Analysis by SDS-PAGE resulted in a pattern consistent with purified OspB and was estimated to be greater than 90% pure.

Application Details

SDS-PAGE, WB
OspB is suitable as a control in immunological assays. Specific conditions for reactivity should be optimized by the end user. Expect a band at 72.7 kDa for OspB-MBP, (30.3 kDa for OspB and 42.4 for MBP) in size corresponding to OspB by Western blotting in the appropriate cell lysate or extract. Outer surface protein B was tested in SDS-PAGE and WB.

Formulation

Liquid (sterile filtered)
1mg/ml by UV absorbance at 280 nm
0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2
0.01% (w/v) Sodium Azide
None

Shipping & Handling

Dry Ice
Store vial at -20 °C prior to opening. Aliquot contents and freeze at -20 °C or below for extended storage. Avoid cycles of freezing and thawing. Centrifuge product if not completely clear after standing at room temperature. Dilute only prior to immediate use.
Expiration date is six (6) months from date of receipt.
(). Borrelia-specific antibody profiles and complement deposition in joint fluid distinguish antibiotic-refractory from -responsive Lyme arthritis. iScience.
Applications
Protein Assay

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This product is for research use only and is not intended for therapeutic or diagnostic applications. Please contact a technical service representative for more information. All products of animal origin manufactured by Rockland Immunochemicals are derived from starting materials of North American origin. Collection was performed in United States Department of Agriculture (USDA) inspected facilities and all materials have been inspected and certified to be free of disease and suitable for exportation. All properties listed are typical characteristics and are not specifications. All suggestions and data are offered in good faith but without guarantee as conditions and methods of use of our products are beyond our control. All claims must be made within 30 days following the date of delivery. The prospective user must determine the suitability of our materials before adopting them on a commercial scale. Suggested uses of our products are not recommendations to use our products in violation of any patent or as a license under any patent of Rockland Immunochemicals, Inc. If you require a commercial license to use this material and do not have one, then return this material, unopened to: Rockland Inc., P.O. BOX 5199, Limerick, Pennsylvania, USA.

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