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Human FGFR1 Gene cDNA Clone (full-length ORF Clone), expression ready, N-FLAG-tagged

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FGFR1cDNA Clone Product Information
cDNA Size:2196
cDNA Description:ORF Clone of Homo sapiens fibroblast growth factor receptor 1 DNA.
Gene Synonym:CEK, FLG, FLT2, KAL2, BFGFR, CD331, FGFBR, HBGFR, N-SAM, FLJ99988
Restriction Site:
Sequence Description:
Shipping_carrier:Each tube contains approximately 10 μg of lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at ambient temperature for three months.
pCMV3-SP-N-FLAG (suitable for secretary and membane protein expession) Vector Information
Vector Name pCMV3-SP-N-FLAG
Vector Size 6143bp
Vector Type Mammalian Expression Vector
Expression Method Constiutive, Stable / Transient
Promoter CMV
Antibiotic Resistance Kanamycin
Selection In Mammalian Cells Hygromycin
Protein Tag FLAG
Sequencing Primer Forward:T7(TAATACGACTCACTATAGGG)

pCMV3-SP-N-FLAG (suitable for secretary and membane protein expession) Physical Map
Schematic of pCMV3-SP-N-FLAG (suitable for secretary and membane protein expession) Multiple Cloning Sites

FLAG Tag Info

FLAG-tag, or FLAG octapeptide, is a polypeptide protein tag that can be added to a protein using recombinant DNA technology. It can be used for affinity chromatography, then used to separate recombinant, overexpressed protein from wild-type protein expressed by the host organism. It can also be used in the isolation of protein complexes with multiple subunits.

A FLAG-tag can be used in many different assays that require recognition by an antibody. If there is no antibody against the studied protein, adding a FLAG-tag to this protein allows one to follow the protein with an antibody against the FLAG sequence. Examples are cellular localization studies by immunofluorescence or detection by SDS PAGE protein electrophoresis.

The peptide sequence of the FLAG-tag from the N-terminus to the C-terminus is: DYKDDDDK (1012 Da). It can be used in conjunction with other affinity tags, for example a polyhistidine tag (His-tag), HA-tag or Myc-tag. It can be fused to the C-terminus or the N-terminus of a protein. Some commercially available antibodies (e.g., M1/4E11) recognize the epitope only when it is present at the N-terminus. However, other available antibodies (e.g., M2) are position-insensitive.

Fibroblast Growth Factor (FGF) & Receptor Related Products
Product nameProduct name
Cynomolgus FGFR1 / CD331 Protein (His Tag)Canine FGF14 / SCA27 ProteinCanine FGF9 / FGF-9 Protein (Fc Tag)Cynomolgus FGF21 / Fibroblast Growth Factor 21 Protein (His Tag)Human / Cynomolgus FGF16 / FGF-16 ProteinHuman FGFR2 / CD332 Protein (ECD, His Tag)Mouse bFGF / FGF2 Protein (His Tag)Cynomolgus / Rhesus FGFR3 / CD333 Protein (His Tag)Human FGFR3 / CD333 Protein (alpha(IIIb), His Tag)Human FGFR2 / CD332 Protein (beta(IIIc), His Tag)Human FGFR3 / CD333 Protein (alpha(IIIb), Fc Tag)Human FGF7 / FGF-7 / KGF Protein (His Tag)Human FGFR2 / CD332 Protein (alpha(IIIb), Fc Tag)Human aFGF / FGF1 ProteinHuman bFGF / FGF2 ProteinHuman FGF9 Protein (Fc Tag)Human FGFR4 / FGF Receptor 4 Protein (Fc Tag)Human FGFR4 / FGF Receptor 4 Protein (His & Fc Tag)Human FGFR4 / FGF Receptor 4 Protein (His Tag)Human FGF10 ProteinHuman FGFR1 / CD331 Protein (His & Fc Tag)Human FGFR1 / CD331 Protein (His Tag)Human FGFR1 / CD331 Protein (His & GST Tag)Human FGFR2 Protein (His & Fc Tag)Human FGFR2 / CD332 Protein (His Tag)Human FGFR2 / CD332 Protein (aa 400-821, His & GST Tag)Human FGF21 Protein (His Tag)Human FGFBP3 Protein (His Tag)Human FGF19 ProteinHuman FGF17 ProteinHuman FGF18 / FGF-18 Protein (His Tag)Human FGF14 / SCA27 Protein (isoform 1B)Cynomolgus FGFR3 Protein (Fc Tag)Human FGFR1OP / FOP Protein (His & GST Tag)Mouse FGFR3 / CD333 Protein (His & Fc Tag)Mouse FGFR3 / CD333 Protein (His Tag)Mouse FGF18 / FGF-18 Protein (His Tag)Mouse / Rat aFGF / FGF1 ProteinMouse FGFRL1 / FGFR5 Protein (His Tag)Mouse FGFR1 / CD331 Protein (Fc Tag)Mouse FGFR1 / CD331 Protein (His Tag)Mouse FGFR4 / CD334 Protein (His & Fc Tag)Mouse FGFR4 / CD334 Protein (His Tag)Mouse FGF21 / Fibroblast Growth Factor 21 Protein (His Tag)Mouse FGFR2 / CD332 Protein (Fc Tag)Mouse FGFR2 / CD332 Protein (His Tag)Canine aFGF / FGF1 ProteinCanine FGF12 ProteinRat FGFR4 / FGF Receptor 4 Protein (Fc Tag)Rat FGFR4 / FGF Receptor 4 Protein (His Tag)Cynomolgus aFGF / FGF1 ProteinCynomolgus FGFR1 / CD331 Protein (Fc Tag)Cynomolgus FGFR4 / FGF Receptor 4 Protein (Fc Tag)Cynomolgus FGFR4 / FGF Receptor 4 Protein (His Tag)Human FGFR3 / CD333 Protein (His Tag, ECD)Human FGFR3 / CD333 Protein (Fc Tag, ECD)Mouse FGF7 / FGF-7 / KGF Protein (His Tag)

FGFR1, also known as CD331, belongs to the fibroblast growth factor receptor subfamily where amino acid sequence is highly conserved between members and throughout evolution. FGFR family members differ from one another in their ligand affinities and tissue distribution. Fibroblast growth factors (FGFs) (FGF1 - 10 and 16 - 23) are mitogenic signaling molecules that have roles in angiogenesis, wound healing, cell migration, neural outgrowth and embryonic development. FGFs bind heparan sulfate glycosaminoglycans, which facilitates dimerization (activation) of FGF receptors. FGFR1 is a full-length representative protein consists of an extracellular region, composed of three immunoglobulin-like domains, a single hydrophobic membrane-spanning segment and a cytoplasmic tyrosine kinase domain. The extracellular portion of FGFR1 interacts with fibroblast growth factors, setting in motion a cascade of downstream signals, ultimately influencing mitogenesis and differentiation. This particular family member binds both acidic and basic fibroblast growth factors and is involved in limb induction. CD331 can be detected in astrocytoma, neuroblastoma and adrenal cortex cell lines. Some isoforms are detected in foreskin fibroblast cell lines, however isoform 17, isoform 18 and isoform 19 are not detected in these cells. Defects in FGFR1 are a cause of Pfeiffer syndrome ,idiopathic hypogonadotropic hypogonadism, Kallmann syndrome type 2, osteoglophonic dysplasia and trigonocephaly non-syndromic.

  • Schlessinger J, et al. (2000) Crystal structure of a ternary FGF-FGFR-heparin complex reveals a dual role for heparin in FGFR binding and dimerization. Mol Cell. 6(3):743-50.
  • Dodé C, et al. (2007) Novel FGFR1 sequence variants in Kallmann syndrome, and genetic evidence that the FGFR1c isoform is required in olfactory bulb and palate morphogenesis. Hum Mutat. 28(1): 97-8.
  • Kim HG, et al. (2005) Hypogonadotropic hypogonadism and cleft lip and palate caused by a balanced translocation producing haploinsufficiency for FGFR1. J Med Genet. 42(8):666-72.
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