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Catalog Products » Recombinant Proteins » Chemokines » LAG-1/CCL4L1, Human

LAG-1/CCL4L1, Human

Synonyms Lymphocyte Activation Gene-1, CCL4L1, ACT-2, T-cell activiation-2, HC21
Description Lymphocyte Activation Gene-1(Lag-1) , also known as C-C motif chemokine 4-like (CCL4L1), is a proinflammatory chemokine and is the isoform of Macrophage Inflammatory Protein-1 beta (MIP-1 beta). LAG-1 was first identified in 1988 and is expressed by monocytes, macrophages, T and B lymphocytes, and dendritic cells upon stimulation. The receptors of LAG-1 are the G-protein coupled receptors CCR1, CCR3, and CCR5 which is its major receptor. LAG-1 is a potent chemoattractant of monocytes, T lymphocytes, dendritic cells, natural killer cells, and activated CD4+ T cells. Unlike CCL4, LAG-1 cannot bind to glycosaminoglycans (GAGs), and thus cannot form an in vivo gradient on the cell surface as does CCL4. Like other members of the MIP-1 subfamily, LAG-1 is associated with several types of disease, including HIV infection and Type I diabetes.
Recombinant human LAG-1/CCL4L1 produced in E. coli is a single non-glycosylated polypeptide chain containing 69 amino acids. A fully biologically active molecule, rhLAG-1/CCL4L1 has a molecular mass of 7.8 kDa analyzed by reducing SDS-PAGE and is obtained by proprietary chromatographic techniques at GenScript.
Accession No P13236
Source E. coli
Biological Activity The EC50 value of human LAG-1 on Ca2+ mobilization assay in CHO-K1/Gα15/hCCR5 cells (human Gα15 and human CCR5 stably expressed in CHO-K1 cells) is less than 50 ng/ml.
Sequence
APMGSDPPTA CCFSYTARKL PRNFVVDYYE TSSLCSQPAV
VFQTKRGKQV CADPSESWVQ EYVYDLELN

Measured Molecular Weight 7.8 kDa, observed by reducing SDS-PAGE.
Purity > 95% as analyzed by SDS-PAGE.
Formulation Lyophilized after extensive dialysis against PBS.
Reconstitution Reconstituted in ddH2O or PBS at 100 μg/ml.
Endotoxin Level < 0.2 EU/μg, determined by LAL method.
Storage Lyophilized recombinant Human LAG-1/CCL4L1 remains stable up to 6 months at lower than -70°C from date of receipt. Upon reconstitution, Human LAG-1/CCL4L1 should be stable up to 1 week at 4°C or up to 3 months at -20°C.
Note For research use only




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Cat. No. Z03215
Size
Price
10 ug $39.00
50 ug $99.00
1 mg $1350.00