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Recombinant Mouse TIM-4 Protein, CF

Catalog #: 2826-TI
1 Citation Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
2826-TI-050
Recombinant Mouse TIM-4 Protein Bioactivity
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Citations (1)
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Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Mouse TIM-4 Protein, CF Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated human T cells. Human T lymphocytes cultured for 72 hours with PHA were incubated for an additional 3 days in 96 well plates coated with 500 ng/mL anti-CD3 and rmTIM-4.
The ED50 for this effect is 0.25-1 µg/mL.
Optimal dilutions should be determined by each laboratory for each application.
Source
Mouse myeloma cell line, NS0-derived mouse TIM-4 protein
Ala22-Thr279, with a C-terminal 6-His tag
Accession #
Q6U7R4
N-terminal Sequence
Analysis
Ala22
Predicted Molecular Mass
28.7 kDa
SDS-PAGE
70-80 kDa, reducing conditions

Product Datasheets

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2826-TI

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

2826-TI

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Scientific Data

Bioactivity Recombinant Mouse TIM-4 Protein Bioactivity View Larger

Recombinant Mouse TIM-4 (Catalog # 2826-TI) inhibits anti-CD3-induced proliferation of stimulated human T cells. Human T cells cultured for 72 hours with PHA are incubated for an additional 3 days in 96 well plates coated with 500 ng/mL anti-CD3 and rmTIM-4. The ED50 for this effect is 0.25-1 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: TIM-4

TIM-4 (T cell; immunoglobulin; mucin-4), also known as SMUCKLER, is a 60 kDa member of the TIM family of immune regulating proteins. TIMs are type I transmembrane proteins with one Ig-like V domain and one Ser/Thr-rich mucin domain (1 - 3). The mouse TIM-4 cDNA encodes a 343 amino acid (aa) precursor that includes a 22 aa signal sequence, a 257 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 43 aa cytoplasmic tail (4). Structurally, TIM-4 is distinguished from other TIMs by the presence of an RGD motif in its Ig domain and the lack of a site for tyrosine phosphorylation in its cytoplasmic tail. The mucin domain in TIM-4 is larger than in TIM-1, -2, or -3. Within the ECD, mouse TIM-4 shares 27 - 33% aa sequence identity with mouse TIM-1, -2, and -3. The ECD of mouse TIM-4 shares 45% aa sequence identity with that of human and rat TIM-4. TIM-4 is expressed by macrophages and mature dendritic cells but not by lymphocytes (4, 5). TIM-4 binds specifically to TIM-1 which is also the cellular receptor for hepatitis A virus and has been implicated in the development of asthma (5 - 7). Among hematopoietic cells, TIM-1 is expressed on activated B and T cells, preferentially in the Th2 subset of CD4+ T cells (5, 8). The interaction ofTIM-4 with TIM-1 induces co-stimulatory and hyperproliferative signals in T cells (5).

References
  1. Kuchroo, V.K. et al. (2003) Nat. Rev. Immunol. 3:454. 
  2. Mariat, C. et al. (2005) Phil. Trans. R. Soc. B 360:1681.  
  3. Meyers, J.H. et al. (2005) Trends Mol. Med. 11:362. 
  4. Shakhov, A.N. et al. (2004) Eur. J. Immunol. 34:494. 
  5. Meyers, J.H. et al. (2005) Nat. Immunol. 6:455.
  6. Feigelstock, D. et al. (1998) J. Virol. 72:6621.
  7. McIntire, J.J. et al. (2001) Nat. Immunol. 2:1109.
  8. Khademi, M. et al. (2004) J. Immunol. 172:7169.
Long Name
T Cell Immunoglobulin Mucin-4
Entrez Gene IDs
91937 (Human); 276891 (Mouse); 102140672 (Cynomolgus Monkey)
Alternate Names
FLJ27515; Smuckler; T-cell immunoglobulin and mucin domain containing 4; T-cell immunoglobulin and mucin domain-containing protein 4; T-cell membrane protein 4; TIM4; TIM-4; TIMD4; TIMD-4

Citation for Recombinant Mouse TIM-4 Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. TIM-1 and TIM-3 enhancement of Th2 cytokine production by mast cells.
    Authors: Nakae S, Iikura M, Suto H, Akiba H, Umetsu DT, DeKruyff RH, Saito H, Galli SJ
    Blood, 2007-07-09;110(7):2565-8.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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