Recombinant Cynomolgus Monkey TIM-4 Fc Chimera Protein, CF

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RecombinantCynomolgus Monkey TIM-4 Fc Chimera(Catalog # 9384-TM) inhibits anti-CD3-induced proliferation of human Tcells. The ED50 for this effect is0.2-1.2 μg/mL.

Product Details

Summary
Reactivity CmSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

Order Details

Recombinant Cynomolgus Monkey TIM-4 Fc Chimera Protein, CF Summary

Details of Functionality
Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated human T cells. The ED50 for this effect is 0.2-1.2 μg/mL.
Source
Human embryonic kidney cell, HEK293-derived cynomolgus monkey TIM-4 protein
Cynomolgus Monkey TIM-4
(Glu25-Gln305)
Accession # XP_005558436
IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Glu25
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
57 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
95-112 kDa, reducing conditions

Packaging, Storage & Formulations

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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 500 μg/mL in PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Cynomolgus Monkey TIM-4 Fc Chimera Protein, CF

  • 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

Background

TIM-4 (T cell; immunoglobulin; mucin-4), also known as SMUCKLER, is an approximately 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). Sequence alignment with the human TIM-4 shows that mature cynomolgus monkey TIM-4 has a predicted 280 aa extracellular domain (ECD), a 21 aa transmembrane segment and a 43 aa cytoplasmic tail. Within the ECD, cynomolgus monkey TIM-4 shares 87 % and 48 % aa sequence identity with human and mouse TIM-4, respectively. 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-1or TIM-3. TIM-4 is expressed by macrophages and mature dendritic cells but not by lymphocytes (2, 3). TIM-4 binds specifically to TIM-1 which is also the cellular receptor for the hepatitis A virus, and has been implicated in the development of asthma (3, 4). Among hematopoietic cells, TIM-1 is expressed on activated B and T cells, preferentially in the Th2 subset of CD4+ T cells (3, 5). The interaction of TIM-4 with TIM-1 induces co-stimulatory and hyperproliferative signals in T cells (3).
  1. Kuchroo, V.K. et al. (2003) Nat. Rev. Immunol. 3:454. 
  2. Shakhov, A.N. et al. (2004) Eur. J. Immunol. 34:494. 
  3. Meyers, J.H. et al. (2005) Nat. Immunol. 6:455.
  4. McIntire, J.J. et al. (2001) Nat. Immunol. 2:1109.
  5. Khademi, M. et al. (2004) J. Immunol. 172:7169.

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