Human FOLR4/Juno Protein (FOL-HM1R4)

  • Express System: HEK293
  • Product Tag: C-His
  • Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
  • Exact Sequence: Gly20-Ser228

Catalog: FOL-HM1R4

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Product Description Recombinant Human FOLR4/Juno Protein is expressed from HEK293 with His tag at the C-Terminus.It contains Gly20-Ser228.

Product Background

Izumo1 is the only essential sperm-egg fusion protein currently known on mammalian sperm, and its egg receptor (Juno; formerly Folr4) was recently discovered. Male knockout mice for Izumo1 and female knockout mice for Juno are both healthy but sterile. Here, both sperm-egg binding proteins are shown to be evolving under positive selection. Juno's presence in mammals alone, suggesting a recent mammalian-specific duplication and neofunctionalization of the ancestral folate receptor.

Product Category

Recombinant Protein

Target

FOLR4/Juno
Synonyms Folate receptor 4; FR-delta; Izumo1r; Folbp3; Juno; FOLR4, LOC390243

Gene/Protein ID

A6ND01-1

Species

Human

Exact Sequence

Gly20-Ser228
Molecular Weight The protein has a predicted MW of 25 kDa. Due to glycosylation, the protein migrates to 30-35 kDa based on Tris-Bis PAGE result.

Product Tag

C-His

Express System

HEK293
Purity > 95% as determined by Tris-Bis 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.
The purity of Human FOLR4 is greater than 95% as determined by SEC-HPLC.
Human FOLR4 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

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