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KLRB1 / CD161

killer cell lectin-like receptor subfamily B, member 1

Plays an inhibitory role on natural killer (NK) cells cytotoxicity. Activation results in specific acid sphingomyelinase/SMPD1 stimulation with subsequent marked elevation of intracellular ceramide. Activation also leads to AKT1/PKB and RPS6KA1/RSK1 kinases stimulation as well as markedly enhanced T-cell proliferation induced by anti-CD3. Acts as a lectin that binds to the terminal carbohydrate Gal-alpha(1,3)Gal epitope as well as to the N-acetyllactosamine epitope. Binds also to CLEC2D/LLT1 as a ligand and inhibits NK cell-mediated cytotoxicity as well as interferon-gamma secretion in target cells.

Gene Name: killer cell lectin-like receptor subfamily B, member 1
Synonyms: KLRB1, CD161 antigen, CLEC5B, CD161, NKR-P1A, NKR, HNKR-P1A, NKR-P1, NKRP1A
Target Sequences: NM_002258 NP_002249.1 Q12918

Publications (2)

1
IL-12, IL-15, and IL-18 pre-activated NK cells target resistant T cell acute lymphoblastic leukemia and delay leukemia development in vivo. Boieri M, Ulvmoen A, Sudworth A, Lendrem C, Collin M, Dickinson AM, Kveberg L, Inngjerdingen M. Oncoimmunology. 2017 January;6:e1274478. (Human) [Full Text Article] [PubMed:28405496] [PMC:PMC5384344] Related Antibodies: LS-C35855.
2
Immunohistochemical Evidence of the Involvement of Natural Killer (CD161+) Cells in Spontaneous Regression of Lewis Rat Sarcoma. Jana Kovalska, Monika Cervinkova, Eva Chmelikova, Daniela Planska, Jana Cizkova, Vratislav Horak. In Vivo. 2018 December;33:47-52. [Full Text Article] [PubMed:30587601] [PMC:PMC6364084]

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Products
Proteins (9)
Over-Expression Lysate (2)
Recombinant (7)
KLRB1 / CD161 (9)
SDS-PAGE (1)
No (9)
Fc, C-terminus (2)
GST, N-terminus (1)
His (2)
His,N-terminus (1)
His-T7 (1)
Myc-DDK (Flag) (2)
Human (6)
Mouse (2)
293T Cells (1)
E. coli (2)
HEK 293 Cells (2)
Human Cells (2)
Mammalian Cells (1)
Wheat Germ Extract (1)
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Low endotoxin level (4)
KLRB1 / CD161 Protein
Select
HEK 293 Cells
His,N-terminus
SDS-PAGE
Less than 1.0 EU/µg protein (determined by LAL method).
The secreted recombinant mouse Klrb1a comprises 180 amino acids and predicts a molecular mass of 21 kDa. As a result of glycosylation, the apparent molecular mass of mouse Klrb1a is approximately 30-35 kDa in SDS-PAGE under reducing conditions.
100 µg/$480
Select
Human Cells
Fc, C-terminus
Less than 1.0 EU/µg protein (determined by LAL method).
45.6kD
10 µg/$321; 50 µg/$534; 500 µg/$1,585; 1 mg/$2,353
KLRB1 / CD161 Protein - 12.5% SDS-PAGE Stained with Coomassie Blue.
Select
Wheat Germ Extract
GST, N-terminus
10 µg/$479; 25 µg/$670
KLRB1 / CD161 Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
Select
293T Cells
Myc-DDK (Flag)
25.2 kDa
20 µg/$150
KLRB1 / CD161 Protein - Recombinant Killer Cell Lectin Like Receptor Subfamily B, Member 1 By SDS-PAGE
Select
E. coli
His-T7
17.3 kDa
10 µg/$283; 50 µg/$452; 100 µg/$722; 200 µg/$902; 1 mg/$2,016; 500 µg/$1,553; 5 mg/$3,151; 2 mg/$2,204
Select
Mammalian Cells
Fc, C-terminus
Less than 1.0 EU/µg protein (determined by LAL method).
45.6 kDa
10 µg/$317; 50 µg/$524
KLRB1 / CD161 Protein
Select
E. coli
His
100 µg/$361; 500 µg/$739; 20 µg/$261
Select
Human Cells
His
Less than 1.0 EU/µg protein (determined by LAL method).
21 kDa
100 µg/$843
KLRB1 / CD161 Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
Select
HEK 293 Cells
Myc-DDK (Flag)
25.2 kDa
100 µg/$494
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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).