Recombinant Human CD300LB/LMIR5 (C-Fc)

Cat.No.: C00A

Recombinant Human CD300LB (C-Fc)
Description
Recombinant Human CD300LB is produced by our Mammalian expression system and the target gene encoding Ile55-His187 is expressed with a Fc tag at the C-terminus.
Accession #:AAH28091.1
Known as:CD300b; CLM-7; CLM-7; CMRF35-A2; IREM-3; IREM3; TREM-5; TREM5; CD300LB
Formulation
Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4.
Quality Control
Purity:Greater than 95% as determined by reducing SDS-PAGE.
Endotoxin:Less than 0.1 ng/?g (1 EU/?g) as determined by LAL test.
Reconstitution
Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration less than 100 μg/ml.
Dissolve the lyophilized protein in ddH2O.
Please aliquot the reconstituted solution to
Storage
Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks.
Reconstituted protein solution can be stored at 4-7°C for 2-7 days.
Aliquots of reconstituted samples are stable at < -20°C for 3 months.
Background
CD300LB, also known as CD300b, LMIR5, CLM-7, and IREM?3, is a glycoprotein member of the immunoglobulin superfamily. LMIR5 is expressed on the surface of myeloid lineage cells. It forms noncovalent cis?homodimers and cis-heterodimers with other CD300 family proteins, and the composition of these dimers affects the cellular response. Antibody cross?linking of LMIR5 induces mast cell granule release and cytokine production as well as its tyrosine phosphorylation of LMIR5 (in human). LMIR5 interacts with TIM1 and TIM4 which regulate T cell activation and are themselves binding partners. TIM1 interactions with LMIR5 mediate mast cell activation and the accumulation of neutrophils at sites of TIM1 up?regulation on damaged renal tubule epithelial cells. Acts as an activating immune receptor through its interaction with ITAM-bearing adapter TYROBP, and also independently by recruitment of GRB2.

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