"GIF" Related Products


Recombinant Human GIF Protein, His-tagged

Cat.No. : GIF-53H
Product Overview : Recombinant Human GIF fused with His tag at C-terminal was expressed in Insect cells.
Description : Intrinsic Factor is a member of the cobalamin transport protein family. It encodes a glycoprotein secreted by parietal cells of the gastric mucosa and is required for adequate absorption of vitamin B12 in the terminal ileum. Vitamin B12 is essential for erythrocyte maturation and mutations in the Intrinsic Factor may lead to congenital pernicious anemia. Upon entry into the stomach, vitamin B12 binds to one of two B12 binding proteins present in the gastric fluid. In the less acidic environment of the small intestine, these proteins dissociate from the vitamin, allowing it to bind to intrinsic factor and enter the portal circulation through a receptor in the ileal mucosa specific for the B12-intrinsic factor complex.
Source : Insect cells
Species : Human
Tag : His
Form : Sterile Filtered pink solution. (The reactivity of the antigen is about 10 times higher when adding vitamin B12).
The protein solution (0.7mg/ml) contains 20mM HEPES pH-8, 100mM NaCl, 20% Glycerol.
Molecular Mass : 55,000 Dalton
Purity : Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.
Stability : Store at 4 centigrade if entire vial will be used within 2-4 weeks. Store, frozen at -20 centigrade for longer periods of time.
For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Avoid multiple freeze-thaw cycles.
Concentration : 0.7mg/ml
Gene Name : GIF gastric intrinsic factor (vitamin B synthesis) [ Homo sapiens ]
Official Symbol : GIF
Synonyms : GIF; gastric intrinsic factor (vitamin B synthesis); gastric intrinsic factor; IF; IFMH; INF; TCN3; intrinsic factor;
Gene ID : 2694
mRNA Refseq : NM_005142
Protein Refseq : NP_005133
MIM : 609342
UniProt ID : P27352

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