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You are here:Home » Antibodies » Abs to Osteocalcin » Anti -Osteocalcin, gamma-carboxylated (Bone-Gla-Protein, BGP)

Anti -Osteocalcin, gamma-carboxylated (Bone-Gla-Protein, BGP)

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Specifications

Clone Host Grade Applications
Monoclonal Mouse Highly Purified B IH
Osteocalcin, also known as Bone-Gla-Protein (BGP), is a single chain (Mr=5800) vitamin K dependent protein produced by osteoblasts. It is found in high concentrations in bone (1-4). Post-translational modification by a vitamin K dependent carboxylase produces three g-carboxyglutamic acid residues at positions 17, 21 and 24. The mature protein contains 49 amino acids and a single intrachain disulfide bond joining Cys23 to Cys29. The secondary structure is highly calcium dependent and contains 14% alpha-helix, 20% beta-sheet and 67% random form in the presence of calcium, and 1% alpha-helix, 20% beta-sheet and 79% random form in the absence of calcium (4). BGP binds to phospholipid vesicles in the presence of calcium ions (Kd=6 x 10e-6 M). BGP also binds hydroxyapatite and is an efficient inhibitor of hydroxyapatite seeded crystal growth, suggesting a regulatory role in bone mineralization. Although the fundamental role of BGP in vivo remains elusive, in vitro experimentation suggests roles in both bone resorption and bone formation. BGP has been shown to function as a chemo-attractant in an in vitro macrophage mediated bone resorption system. The serum concentration of BGP has been linked to bone formation rates, and BGP levels are currently used in research assessment of osteoporosis and other metabolic bone disease states.
Catalog #O8060-20
ApplicationsSuitable for use in Immunohistochemistry and Western Blot. Other applications have not been tested.
Recommended DilutionImmunohistochemistry: Paraffin and frozen sections.
Optimal dilutions to be determined by the researcher.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 months at -20°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.
Clone TypeMonoclonal
IsotypeIgG2a
Clone No6D630
HostMouse
SourceBovine
Concentration~2mg/ml (after reconstitution)
FormSupplied as a lyophilized powder from 10mM PBS, pH 7.4, 1% BSA, 0.1% sodium azide. Reconstitute with 50ul sterile ddH2O. Dilute further with 10mM PBS, pH 7.4, 1% BSA, 0.1% sodium azide.
PurityPurified by ammonium sulfate precipitation and ion exchange chromatography.
ImmunogenBovine osteocalcin gamma-carboxylated at aa17.
SpecificityRecognizes bovine gamma-carboxylated (aa17) osteocalcin. Does not crossreact with the heat decarboxylated variant of the protein. Species Crossreactivity: human, rat, sheep, porcine, canine, goat, rabbit and chicken. Does not crossreact with mouse.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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