S100 Calcium Binding Protein B/S100B

  • Catalog number
    E21-K82
  • Price
    Please ask
  • Size
    10ug
  • Shipping_Temperature
    Ambient
  • Product_State
    Lyophilized
  • Formulation_Description
    Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH7.4.
  • Storage
    Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at < -20°C for 3 months.
  • Reconstitution
    Always centrifuge tubes before opening. Do not mix by vortex or pipetting.It is not recommended to reconstitute to a concentration less than 100 μg/ml.Dissolve the lyophilized protein in ddH2O.Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
  • Purity
    Greater than 95% as determined by reducing SDS-PAGE.
  • Endotoxin
    Less than 0.1 ng/µg (1 IEU/µg) as determined by LAL test.
  • Background
    S100-B, is an acidic protein with a molecular weight of 21 kDa belonging to the S100 family. S100-B contains two EF-hand-type calcium-binding motifs separated by a hinge region with a hydrophobic cleft. S100-B plays an important role in neurodevelopment, differentiation, and brain construction. S100-B has neuroprotective effects, but at high concentrations S100-B is neurotoxic. Extracellular concentration of S100-B increases following brain damage, which easily penetrates into cerebrospinal fluid in brain damage and then into the blood. S100-B is expressed and produced by astrocytes in vertebrate brains and in the CNS, and the astrocytes are the major cells producing S100-B protein in gray matter, as well as oligodendrocytes are the predominant S100-B in protein producing cells in white matter. The major advantage of using S100-B is that elevations in serum or CSF levels provide a sensitive measure for determining CNS injury at the molecular level before gross changes develop, enabling timely delivery of crucial medical intervention before irreversible damage occurs. In addition, S100-B, which is also present in Mouse melanocytes, is a reliable marker for melanoma malignancy both in bioptic tissue and in serum.
  • Alternative Names
    Protein S100-B; S-100 protein beta chain; S-100 protein subunit beta; S100 calcium-binding protein B; S100b; S100 beta; S100 calcium binding protein B
  • Expression system
    E.coli
  • Gene target
  • Gene symbol
    S100B, S100A1, S100Z, S100A8, S100A9
  • Short name
    S100 Calcium Binding Protein B/S100B
  • Species
    Mouse
  • Alternative name
    S100 Calcium Binding Protein B/S100B
Gene info
  • Identity
  • Gene
  • Long gene name
    S100 calcium binding protein B
  • Synonyms gene name
    • S100 calcium binding protein, beta (neural)
  • Synonyms
  • GenBank acession
  • Locus
  • Discovery year
    1988-06-27
  • Entrez gene record
  • Pubmed identfication
  • RefSeq identity
  • Classification
    • S100 calcium binding proteins
    • EF-hand domain containing
  • VEGA ID
Gene info
Gene info
Gene info
Gene info
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