Recombinant Human Choline transporter-like protein 4 (SLC44A4), partial

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Code CSB-EP681506HU1
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Size $306
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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
SLC44A4
Uniprot No.
Research Area
Others
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
56-229aa
Target Protein Sequence
WLYGDPRQVLYPRNSTGAYCGMGENKDKPYLLYFNIFSCILSSNIISVAENGLQCPTPQVCVSSCPEDPWTVGKNEFSQTVGEVFYTKNRNFCLPGVPWNMTVITSLQQELCPSFLLPSAPALGRCFPWTNVTPPALPGITNDTTIQQGISGLIDSLNARDISVKIFEDFAQSW
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
26.7 kDa
Protein Length
Partial
Tag Info
N-terminal 10xHis-tagged and C-terminal Myc-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℃/-80℃. 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.
Description

The generation of the recombinant Human SLC44A4 protein involves manipulating gene expression in e.coli cells. A specific DNA sequence coding for the Human SLC44A4 protein (56-229aa) is inserted to an expression vector, which is then introduced into e.coli cells. The cells that successfully receive the vector are selected and cultured to induce the expression of the desired protein. A N-terminal 10xHis tag and C-terminal Myc tag is attached to the protein. The recombinant Human SLC44A4 protein undergoes affinity purification, achieving a purity level exceeding 90%, as verified through SDS-PAGE analysis.

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Target Background

Function
Choline transporter that plays a role in the choline-acetylcholine system and is required to the efferent innervation of hair cells in the olivocochlear bundle for the maintenance of physiological function of outer hair cells and the protection of hair cells from acoustic injury. Also described as a thiamine pyrophosphate transporter in colon, may mediate the absorption of microbiota-generated thiamine pyrophosphate and contribute to host thiamine (vitamin B1) homeostasis.; Has also thiamine pyrophosphate transporter activity.
Gene References into Functions
  1. We found that rs2736428 was significantly associated with UC risk (allelic p = 0.0004), and the CT and TT genotypes of rs2736428 had a higher distribution compared with the CC genotypes (genotypic p = 0.001), suggesting that the T allele was a risk allele (odds ratio = 1.45, 95% confidence interval = 1.18-1.78). Moreover, one haplotype block that included rs2736428 was found to be strongly associated with UC risk as well PMID: 28753073
  2. Whole-exome sequencing revealed SLC44A4, which encodes the choline transport protein, as the pathogenic gene in this family. In the zebrafish model, downregulation of slc44a4 using morpholinos led to significant abnormalities in the zebrafish inner ear and lateral line neuromasts and contributed, to some extent, to disabilities in hearing and balance. PMID: 28013291
  3. These results suggest (i) apparent allelic heterogeneity in CFB and genetic heterogeneity in SLC44A4 across different ethnic groups; (ii) shared ulcerative colitis genetic etiological factors among Asians PMID: 27759029
  4. Critical genetic polymorphisms in SLC44A4, an ulcerative colitis susceptibility gene, have been identified in a genetic association study in North Indians. PMID: 26741288
  5. epigenetic mechanisms (histone modifications) play a role in determining the tissue-specific pattern of expression of the TPPT along the GI tract. PMID: 26901654
  6. The results also provide an indirect support for a membrane topology for hTPPT with 10 transmembrane domains as predicted by the TMHMM transmembrane helixes prediction program. PMID: 26828122
  7. Characterization of the SLC44A4 promoter and report the importance of both ELF3 and CREB-1 transcription factors in the maintenance of basal promoter activity in colonic epithelial cells. PMID: 25715703
  8. Molecular identification and functional characterization of the human colonic thiamine pyrophosphate transporter. PMID: 24379411
  9. These results indicate that CTL4 mediates ACh synthesis in non-neuronal cell lines and presents a mechanism to target non-neuronal ACh synthesis without affecting neuronal ACh synthesis. PMID: 23651124
  10. These results suggest that eltrombopag can partially modulate some immune responses by TGFbeta(1) and sCTLA-4, but it does not induce immune tolerance by 24 weeks after treatment. PMID: 22789125

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Involvement in disease
Deafness, autosomal dominant, 72 (DFNA72)
Subcellular Location
Membrane; Multi-pass membrane protein. Apical cell membrane.
Protein Families
CTL (choline transporter-like) family
Tissue Specificity
Highly expressed in colon, also detected in prostate, trachea and lung. Isoform 3 is also expressed in colon but a lower levels.
Database Links

HGNC: 13941

OMIM: 606107

KEGG: hsa:80736

STRING: 9606.ENSP00000229729

UniGene: Hs.335355

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