Anti-BEST1 Antibody (Cat MORAB-027F), Mouse IgG


Cat: MORAB-027F
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Specifications

Host speciesMouse (Mus musculus)
Species ReactivityChicken (Gallus gallus)
FormatLiquid or Lyophilized
BufferPBS, pH 7.4
Regulatory StatusFor Research Use Only
ShippingGel Pack
StorageStore at 4°C: short-term (1-2weeks)
Store at -20°C: long-term and future use
Purity> 95% was determined by SDS-PAEG
PurificationPurified with Protein A or G affinity chromatography

Application Information

ApplicationIA
Application NotesThe optimal dilution should be determined by the end user.

Target

IntroductionBestrophin calcium-activated chloride channels (CaCCs) regulate the flow of chloride and other monovalent anions across cellular membranes in response to intracellular calcium (Ca(2+)) levels. Mutations in bestrophin 1 (BEST1) cause certain eye diseases. Here we present X-ray structures of chicken BEST1-Fab complexes, at 2.85 Å resolution, with permeant anions and Ca(2+). Representing, to our knowledge, the first structure of a CaCC, the eukaryotic BEST1 channel, which recapitulates CaCC function in liposomes, is formed from a pentameric assembly of subunits. Ca(2+) binds to the channel's large cytosolic region. A single ion pore, approximately 95 Å in length, is located along the central axis and contains at least 15 binding sites for anions. A hydrophobic neck within the pore probably forms the gate. Phenylalanine residues within it may coordinate permeating anions via anion-π interactions. Conformational changes observed near the 'Ca(2+) clasp' hint at the mechanism of Ca(2+)-dependent gating. Disease-causing mutations are prevalent within the gating apparatus.
Alternative NamesBest1 bestrophin-1, BEST1
UniProt IDE1C3A0
For Research Use Only | Not For Clinical Use.
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