Human IGF-II R/IGF2R Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB24471

R&D Systems, part of Bio-Techne
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MAB24471
MAB24471-SP
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Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

ELISA Capture (Matched Antibody Pair)

Cited:

ELISA Development (Capture)

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 372616

View all IGF-II R/IGF2R Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human IGF-II R/IGF2R
Ser1510-Phe2108
Accession # P11717

Specificity

Detects human IGF-II R/IGF2R in ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Applications for Human IGF-II R/IGF2R Antibody

Human IGF-II R/IGF2R Sandwich Immunoassay

ELISA Capture (Matched Antibody Pair)
Recommended Concentration: 2-8 µg/mL
Use in combination with these reagents:
  • Detection Reagent: Human IGF-II R/IGF2R Biotinylated Antibody (Catalog # BAF2447)
  • Standard: Recombinant Human IGF-II R/IGF2R Protein, CF (Catalog # 2447-GR)
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IGF-II R/IGF2R

The type 2 insulin-like growth factor receptor (also known as cation-independent mannose-6 phosphate receptor/CI-MPR) is a 300 kDa member of the P-type lectin family of molecules. P-type lectins generate functional eukaryotic lysosomes by binding and sorting lysosomal enzymes expressing phosphorylated mannose residues (M6P) (1-3). IGF-II R is a type I transmembrane glycoprotein that contains a 2,264 amino acid (aa) extracellular region, a 23 aa transmembrane segment and a 124 aa cytoplasmic tail (4, 5). The extracellular region consists of 15 contiguous "binding" repeats of about 150 aa each. The odd-numbered repeats interact with "ligands" while the even-numbered repeats likely generate a nondisulfide homodimer in the membrane (1). Repeat #11 binds IGF-II, while repeats 3 and 9 bind mannose-6 phosphate; repeat #13 contains a fibronectin type II motif and assists in IGF-II binding (1, 2). In the extracellular region of IGF-II R expressed by R&D Systems (600 aa), human IGF-II R is 85% aa identical to both mouse and bovine IGF-II R. This expressed region includes binding repeats #11, 12, and 13. In addition to IGF-II, CI-MPR/IGF-II R binds non-M6P containing ligands such as retinoic acid, urokinase-type plasminogen-activator receptor and plasminogen, plus M6P-containing molecules such as lysosomal enzymes, TGF-beta 1 precursor, proliferin, LIF, CD26, herpes simplex glycoprotein D and granzymes A and B (2, 6). IGF-II R regulates many diverse biological functions that range from intracellular trafficking to the internalization of extracellular factors and modulation of cellular responses. It delivers newly synthesized M6P-tagged lysosomal enzymes from the trans-golgi network to endosomes, and facilitates the clearance of extracellular lysosomal and matrix degrading enzymes by internalization into clathrin-coated vesicles and delivery into endosomes. With respect to IGF-II biology, it would appear that IGF-II R is principally a regulator of local IGF-II levels, targeting IGF-II for destruction in lysosomes (2). However, some evidence suggests the receptor will signal via G-proteins, an effect that has yet to be conclusively shown (6).

References

  1. Ghosh, P. et al. (2003) Nat. Rev. Mol. Cell. Biol. 4:202.
  2. Dahms, N.M. and M.K. Hancock (2002) Biochim. Biophys. Acta. 1572:317.
  3. Zaina, S. and J. Nilsson (2003) Curr. Opin. Lipidol. 14:483.
  4. Morgan, D.O. et al. (1987) Nature 329:301.
  5. Oshima, A. et al. (1988) J. Biol. Chem. 263:2553.
  6. Hawkes, C. and S. Kar (2004) Brain Res. Rev. 44:117.

Long Name

Insulin-like Growth Factor II Receptor

Alternate Names

CD222, CIMPR, IGF-IIR, IGF2R, IGFIIR, M6P-R, MPRI

Entrez Gene IDs

3482 (Human)

Gene Symbol

IGF2R

UniProt

P11717

Additional IGF-II R/IGF2R Products

Product Documents for Human IGF-II R/IGF2R Antibody

Product Datasheets

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Product Specific Notices for Human IGF-II R/IGF2R Antibody

For research use only

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