Recombinant Human Cobalamin binding intrinsic factor (CBLIF)

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Code CSB-YP009417HU
Size $436
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
GIF
Uniprot No.
Research Area
Immunology
Alternative Names
CBLIF; GIF; IFMH; Cobalamin binding intrinsic factor; Gastric intrinsic factor; Intrinsic factor; IF; INF
Species
Homo sapiens (Human)
Source
Yeast
Expression Region
19-417aa
Target Protein Sequence
STQTQSSCSVPSAQEPLVNGIQVLMENSVTSSAYPNPSILIAMNLAGAYNLKAQKLLTYQLMSSDNNDLTIGQLGLTIMALTSSCRDPGDKVSILQRQMENWAPSSPNAEASAFYGPSLAILALCQKNSEATLPIAVRFAKTLLANSSPFNVDTGAMATLALTCMYNKIPVGSEEGYRSLFGQVLKDIVEKISMKIKDNGIIGDIYSTGLAMQALSVTPEPSKKEWNCKKTTDMILNEIKQGKFHNPMSIAQILPSLKGKTYLDVPQVTCSPDHEVQPTLPSNPGPGPTSASNITVIYTINNQLRGVELLFNETINVSVKSGSVLLVVLEEAQRKNPMFKFETTMTSWGLVVSSINNIAENVNHKTYWQFLSGVTPLNEGVADYIPFNHEHITANFTQY
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
45.4 kDa
Protein Length
Full Length of Mature Protein
Tag Info
N-terminal 6xHis-tagged
Form
Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
3-7 business days
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

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Target Background

Function
Promotes absorption of the essential vitamin cobalamin (Cbl) in the ileum. After interaction with CUBN, the CBLIF-cobalamin complex is internalized via receptor-mediated endocytosis.
Gene References into Functions
  1. the present findings reveal that High-altitude polycythemia -induced gastric mucosal lesion inspires the protection responses by up-regulating APOA4 and APOC3, and down-regulating GIF. PMID: 26485402
  2. Our genetic screening of 154 families of patients with inherited cobalamin malabsorption revealed population-specific mutations, mutational hotspots, and functionally distinct regions in the three causal genes: CUBN, AMN, and GIF. PMID: 22929189
  3. Acute lymphoblastic leukemia and vitamin B12 deficiency secondary to a gastric intrinsic factor gene mutation PMID: 22556038
  4. crystal structure of the complex between IF-Cbl and the cubilin IF-Cbl-binding-region (CUB(5-8)) determined at 3.3 A resolution PMID: 20237569
  5. A polymorphism in the gastric intrinsic factor gene is associated with congenital intrinsic factor deficiency. PMID: 14695536
  6. The parameters obtained for ligand and receptor binding in this study indicate that both full-length 50-kDA intrinsic factor and its 30-kDa and 20-kDa fragments may be involved in assimilation of cobalamin. PMID: 15736970
  7. possible basis for the lack of interchangeability of human and rat IF receptors is presented PMID: 17954916
  8. The Q5R mutation of the intrinsic factor gene predisposes to adult-onset pernicious anemia & other causes of low vitamin B12. In this mutation, intrinsic factor secretion is preserved but B12 absorption may be impaired. PMID: 18338170
  9. a specific GIF mutation to be responsible for all Juvenile cobalamin deficiency cases of West-African origin so far was identified PMID: 19036097

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Involvement in disease
Hereditary intrinsic factor deficiency (IFD)
Subcellular Location
Secreted.
Protein Families
Eukaryotic cobalamin transport proteins family
Tissue Specificity
Gastric mucosa.
Database Links

HGNC: 4268

OMIM: 261000

KEGG: hsa:2694

STRING: 9606.ENSP00000257248

UniGene: Hs.110014

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