Recombinant Human Cellular retinoic acid-binding protein 1 (CRABP1)

Code CSB-EP005935HU
MSDS
Size $224
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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
CRABP1
Uniprot No.
Research Area
Transport
Alternative Names
Cellular retinoic acid binding protein 1; Cellular retinoic acid-binding protein 1; Cellular retinoic acid-binding protein I; CRABP 1; CRABP; CRABP I; CRABP-I; Crabp1; CRABPI; RABP1_HUMAN; RBP 5; RBP5; Retinoic acid binding protein I cellular
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
2-137aa
Target Protein Sequence
PNFAGTWKMRSSENFDELLKALGVNAMLRKVAVAAASKPHVEIRQDGDQFYIKTSTTVRTTEINFKVGEGFEEETVDGRKCRSLPTWENENKIHCTQTLLEGDGPKTYWTRELANDELILTFGADDVVCTRIYVRE
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
42.5kDa
Protein Length
Full Length of Mature Protein
Tag Info
N-terminal GST-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.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
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
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
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.

Customer Reviews and Q&A

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Target Background

Function
Cytosolic CRABPs may regulate the access of retinoic acid to the nuclear retinoic acid receptors.
Gene References into Functions
  1. We conclude that the underexpression of CRABP1 and the overexpression of LCN2 may be useful diagnostic biomarkers in thyroid tumours with questionable malignity, and the overexpression of LCN2 and C1QL1 may be useful for prognostic purposes. PMID: 29321030
  2. Holo-CRABPs had higher affinity for CYP26B1 than free atRA, but both apo-CRABPs(CRABP-I and CRABP-II ) inhibited the formation of 4-OH-RA by CYP26B1. PMID: 27416800
  3. p75NTR and CRABP1 modulate the effect of fenretinide on neuroblastoma cells PMID: 26843908
  4. miR-93/miR-106b/miR-375-CIC-CRABP1 is a novel key regulatory axis in prostate cancer progression PMID: 26124181
  5. CRABP1 expression is maintained in ER- and triple-negative breast tumors, and that elevated levels of CRABP1 is a significant indicator of high tumor grade, Ki67 immunoreactivity, and poor prognosis. PMID: 26142905
  6. the first evidence of pro-tumorigenic and pro-metastatic activity of CRABP1 in mesenchymal and neuroendocrine tumors. PMID: 24626200
  7. we demonstrated significant changes in CRABP1 and CRABP2 expression in non-small cell lung cancer samples PMID: 25034531
  8. Factors involved in the retinoid pathway, in particular upregulation of CRBP, CRABP1 and CRABP2, also showed differential expression in tumors with different histological subtypes PMID: 24269351
  9. Results describe the mRNA expression of CRABP1, RERG, and GRP in pituitary adenomas. PMID: 21270509
  10. reduced expression of CRABP1 has a potential as a prognostic marker for serous adenocarcinoma which is the most frequent histological ovarian tumor type and also for clear cell carcinoma that often exhibits chemo-resistance. PMID: 20571827
  11. Loss of cellular retinoic acid binding protein 1 function due to hypermethylation of its promoter leads to pathogenesis of papillary thyroid carcinoma PMID: 12640681
  12. CSF of Moyamoya Disease [MMD] patients reveals high CRABP-I expression suggesting that the elevation of CRABP-I in CSF may be a candidate for pathogenesis of MMD PMID: 14605320
  13. CRABP I plays an important role not only in mediating the retinoid effects, but also in modulating the radiation sensitivity of tumour cells after combined retinoic acid radiation treatment. PMID: 14713576
  14. increased CYP26-mediated catabolism of retinoic by CRABP-I transfection might decrease the amount of retinoic acid that is accessible to the nuclear receptors PMID: 15281009
  15. Decreases in the CRABP1 (cellular retinoic acid binding protein 1) and TFF3 (trefoil factor 3) expression levels identified these as candidate molecular biomarkers for papillary thyroid carcinoma. PMID: 15515157
  16. Real-time RT-PCR analysis disclosed a significant lack of CRABP-I expression in four renal cell carcinoma cell lines PMID: 16254461
  17. Hypermethylation was subsequently identified for three of four analyzed genes, ADAMTS1 (85%), CRABP1 (90%), and NR3C1 (35%). PMID: 17167179
  18. Frequent methylation-associated silencing of CRABP1 is associated with esophageal squamous-cell carcinoma PMID: 17438526
  19. DNA hypermethylation of tumour suppressor genes seems to play an important role in ovarian carcinogenesis and HOXA9, HOXB5, SCGB3A1, and CRABP1 are identified as novel hypermethylated target genes in this tumour type PMID: 17623056
  20. As epidermal basal keratinocyte proliferation is stimulated by paracrine growth factors secreted by ATRA activated suprabasal keratinocytes, our results indicate that CRABPI overexpression in suprabasal keratinocytes enhances ATRA. PMID: 17727842
  21. supports an active role for PLZF and RARalpha-PLZF in leukemogenesis, identifies up-regulation of CRABPI PMID: 18000064
  22. The authors identified several dysregulated genes and proteins, but only the cellular retinoic acid binding protein 1 (CRABP1) was up-regulated exclusively in cells expressing an increased Abeta42/Abeta40 ratio. PMID: 19087254

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Subcellular Location
Cytoplasm.
Protein Families
Calycin superfamily, Fatty-acid binding protein (FABP) family
Database Links

HGNC: 2338

OMIM: 180230

KEGG: hsa:1381

STRING: 9606.ENSP00000299529

UniGene: Hs.346950

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