Human Beta Klotho Protein (KLB-HM101)
  • Express System: HEK293
  • Product Tag: C-His
  • Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
  • Activity: Immobilized Human Beta Klotho at 2ug/ml (100ul/Well). Dose response curve for Anti-Beta Klotho Antibody1, hFc Tag with the EC50 of 24.1ng/ml determined by ELISA (QC Test). The affinity constant of 0.54nM as determined in SPR assay (Biacore T200). See testing image for detail.
  • Amino Acid Range: Met30-Thr983
Catalog #KLB-HM101
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Product Description
 Recombinant Human Beta Klotho Protein is expressed from HEK293 with His tag at the C-Terminus.It contains Met30-Thr983.
Product Background
 Beta-klotho (KLB) is a coreceptor required for endocrine fibroblast growth factor (FGF) 15/19 and FGF21 signaling in the brain. Klb is prominent within the hypothalamus, which is consistent with its metabolic functions, but diverse roles for Klb are now emerging. Central Klb expression is low but discrete and may govern FGF-targeted sites.
Product Category
 Recombinant Protein
Target
 Beta Klotho
Synonyms
 betaKlotho; beta-klotho; BKL; KLB; klotho beta like; Klotho beta; MGC142213
Accession
Species
 Human
Biotinylated
 no
Amino Acid Range
 Met30-Thr983
Molecular Weight
 The protein has a predicted MW of 111.6 kDa. Due to glycosylation, the protein migrates to 115-130 kDa based on Bis-Tris PAGE result.
Activity
 Immobilized Human Beta Klotho at 2ug/ml (100ul/Well). Dose response curve for Anti-Beta Klotho Antibody1, hFc Tag with the EC50 of 24.1ng/ml determined by ELISA (QC Test). The affinity constant of 0.54nM as determined in SPR assay (Biacore T200). See testing image for detail.
Product Tag
 C-His
Express System
 HEK293
Purity
 > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin
 Less than 1EU per ug by the LAL method.
Form
 Lyophilized
Shipping
 Shipped at ambient temperature.
Formulation
 Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution
 Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability And Storage
 Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
Human Beta Klotho, His Tag captured on CM5 Chip via anti-His antibody can bind Human FGF21, mFc Tag with an affinity constant of 0.54nM as determined in SPR assay (Biacore T200).
Immobilized Human Beta Klotho at 2ug/ml (100ul/Well). Dose response curve for Anti-Beta Klotho Antibody1, hFc Tag with the EC50 of 24.1ng/ml determined by ELISA (QC Test).
Immobilized Human Beta Klotho at 2ug/ml (100ul/Well). Dose response curve for Anti-Beta Klotho Antibody2, hFc Tag with the EC50 of 34.6ng/ml determined by ELISA (QC Test).
Immobilized Human FGF21, mFc Tag at 2ug/ml (100ul/Well) on the plate. Dose response curve for Human Beta Klotho, His Tag with the EC50 of 1.48ug/ml determined by ELISA.
Human Beta Klotho on Bis-Tris PAGE under reduced conditions. The purity is greater than 95%.
The purity of Human Beta Klotho is greater than 95% as determined by SEC-HPLC.

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