KIR2DL3 Human-Killer Cell

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KIR2DL3 Human

Qty


Total
$65
Catalog #
PRPS-436
Size
Description
Recombinant KIR2DL3 produced in E.Coli is a single, non-glycosylated polypeptide chain containing amino acids 23-223 and having a molecular mass of 22.2kDa.The KIR2DL3 is purified by proprietary chromatographic techniques.
Additional Information
IntroductionKiller-cell immunoglobulin-like receptors (KIRs), are a family of cell surface glycoproteins found on Natural Killer (NK) Cells, which are important cells of the immune system. They control the killing function of these cells by interacting with MHC class I molecules, which are expressed on all cell types. This interaction allows them to identify virally infected cells or tumor cells that have a distinctive low level of Class I MHC on their surface. The majority of KIRs are inhibitory, which means that their recognition of MHC suppresses the cytotoxic activity of their NK cell. Only a limited number of KIRs have the capacity to activate cells. The KIR genes are found in a cluster on chromosome 19q13.4 within the 1 Mb leukocyte receptor complex (LRC). KIR molecules are extremely polymorphic, meaning their gene sequences differ significantly between individuals, so that different individuals have different arrays/repertoires of KIR genes.The KIR proteins are categorized by the number of extracellular immunoglobulin domains (2D or 3D) and by whether they have a long (L) or short (S) cytoplasmic domain. KIR proteins with the long cytoplasmic domain transduce inhibitory signals upon ligand binding via an immune tyrosine-based inhibitory motif (ITIM). Whereas KIR proteins with the short cytoplasmic domain lack the ITIM motif and instead associate with the TYRO protein tyrosine kinase binding protein to transduce activating signals. KIR2DL3 is an inhibitory Killer Cell Ig-like Receptor (KIR, previously called p58 KIR, cl-6, NKAT2 or KIR-K7), which recognizes class I MHC molecules (HLA-Cw1, -Cw3, -Cw7, and Cw8). KIR2DL3 inhibits the activity of NK cells thus preventing cell lysis.
SynonymsKiller cell immunoglobulin-like receptor 2DL3, MHC class I NK cell receptor, Natural killer-associated transcript 2, NKAT-2, NKAT2a, NKAT2b, p58 natural killer cell receptor clone CL-6, p58 NK receptor, p58.2 MHC class-I-specific NK receptor, Killer inhib
SourceEscherichia Coli.
Physical AppearanceSterile filtered colorless solution.
FormulationThe protein (1mg/ml) contains 25mM Tris- HCl (pH-7.5).
StabilityStore at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid SequenceMEGVHRKPSL
LAHPGPLVKS
EETVILQCWS
DVRFQHFLLH
REGKFKDTLH
LIGEHHDGIS
KANFSIGPMM
QDLAGTYRCY
GSVTHSPYQL
SAPSDPLDIV
ITGLYEKPSL
SAQPGPTVLA
GESVTLSCSS
RSSYDMYHLS
REGEAHERRF
SAGPKVNGTF
QADFPLGPAT
HGGTYRCFGS
FRDSPYEWSN
SSDPLLVSVT
GN.
PurityGreater than 95.0% as determined by(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE.
UsageNeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
Background

N/A

Protocol

N/A

MSDS
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