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GIF Antibody

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Western blot shows lysates of human stomach tissue. PVDF membrane was probed with 2 µg/mL of Sheep Anti-Human GIF Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8060) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for GIF at approx-imately 48-52 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Western blot shows lysates of human stomach tissue. PVDF membrane was probed with 2 µg/mL of Sheep Anti-Human GIF Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8060) followed by HRP-conjugated Anti-Sheep ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications WB
Clonality
Polyclonal
Host
Sheep
Conjugate
Unconjugated
Concentration
LYOPH

Order Details

View Available Formulations
Catalog# & Formulation Size Price
Carrier Free
AF8060-SP
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GIF Antibody Summary

Immunogen
Human embryonic kidney cell line HEK293-derived recombinant human GIF
Ser19-Tyr417
Accession # P27352
Specificity
Detects human GIF in direct ELISAs and Western blots.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Sheep
Gene
GIF
Purity Statement
Antigen Affinity-purified
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Applications/Dilutions

Dilutions
  • Western Blot 2 ug/mL

Packaging, Storage & Formulations

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.
Buffer
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.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for GIF Antibody

  • gastric intrinsic factor (vitamin B synthesis)
  • GIF
  • IF
  • IFIntrinsic factor
  • IFMH
  • IFMHgastric intrinsic factor
  • INF
  • TCN3

Background

GIF (Gastric Intrinsic Factor; also better known as IF or Intrinsic Factor) is a 45-55 kDa, secreted glycoprotein member of the eukaryotic cobalamin transport family of proteins. It should not be confused with either GIF/growth inhibitory factor/metallothionein 3, or GIF/glycosylation-inhibiting factor/macrophage migration inhibitory factor/phenylpyruvate tautomerase. GIF shows restricted expression, being essentially limited to parietal and select chief cells of the stomach. GIF binds to haptocorrin-associated cobalamin/VitB12 in the duodenum, whereupon it passes into the ileum and is taken up by a 500 kDa epithelial receptor named cubam, a complex of cubilin and amnionless molecules. Mature human GIF is 399 amino acids (aa) in length (aa 19-417) that contains one principal B12 binding site between aa 365-395. There is one isoform variant that shows a deletion of aa 3-27. Full-length human GIF shares 82% aa sequence identity with mouse GIF.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Bioinformatics

Gene Symbol GIF
Uniprot