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SRP6461 Sigma-Aldrich

FOLR1 human

recombinant, expressed in HEK 293 cells, ≥95% (SDS-PAGE)

Synonym: FBP, FOLR-1, FOLR, Folate receptor-alpha

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Properties

biological source   human
recombinant   expressed in HEK 293 cells
assay   ≥95% (SDS-PAGE)
form   lyophilized
mol wt   calculated mol wt 25.4 kDa
  observed mol wt 33-37 kDa by SDS-PAGE (DTT-reduced. Protein migrates due to glycosylation. Arg 25 is the predicted N-terminal.)
packaging   pkg of 10 and 50 μg
impurities   <1 EU/μg endotoxin (LAL test)
conjugate   6-His tagged (C-terminus)
UniProt accession no.   P15328
shipped in   wet ice
storage temp.   −20°C
Gene Information   human ... FOLR1(2348)

Description

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 μg/mL. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.

Physical form

Lyophilized from 0.22 μm filtered solution in PBS, pH 7.4. Normally Mannitol or Trehalose is added as protectants before lyophilization.

General description

Folate Receptor 1 (FOLR1) also known as Folate receptor α, Folate Binding Protein (FBP), FOLR, and is a member of the folate receptor (FOLR) family. Members of this gene family have a high affinity for folic acid and for several reduced folic acid derivatives, and mediate delivery of 5-methyltetrahydrofolate to the interior of cells. Mature FOLR1 is an N-glycosylated protein that is anchored to the cell surface by a GPI linkage. FOLR1 is predominantly expressed on epithelial cells and is dramatically upregulated on many carcinomas. FOLR1 is internalized to the endosomal system where it dissociates from its ligand before recycling to the cell surface. A soluble form of FOLR1 can be proteolytically shed from the cell surface into the serum and breast milk. Defects in FOLR1 are the cause of neurodegeneration due to cerebral folate transport deficiency (NCFTD). NCFTD is an autosomal recessive disorder resulting from brain-specific folate deficiency early in life.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport

Documents

Certificate of Analysis


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Protocols & Articles
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