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SRP3115

Sigma-Aldrich

MIP-1 beta (CCL4) human

recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

Synonym(s):

ACT-2, CCL4

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.32

biological source

human

recombinant

expressed in E. coli

Assay

≥98% (HPLC)
≥98% (SDS-PAGE)

form

lyophilized

mol wt

7.6 kDa

packaging

pkg of 10 μg

technique(s)

cell culture | mammalian: suitable

impurities

<0.1 EU/μg endotoxin, tested

color

white to off-white

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

human ... CCL4(6351)

General description

Both MIP-1α and MIP-1β (macrophage inflammatory proteins-1α and β) are structurally and functionally related CC chemokines. They are secreted by activated human monocytes and peripheral blood lymphocytes. The gene encoding this protein is localized on human chromosome 17q12. Both human and murine MIP-1α and MIP-1β are active on human and murine hematopoietic cells. Recombinant human MIP-1β is a 7.6kDa protein containing 69 amino acid residues, including the four highly conserved cysteine residues present in CC chemokines.

Biochem/physiol Actions

MIP-1α and MIP-1β (macrophage inflammatory proteins-1α and β) participate in the host response to invading bacterial, viral, parasite and fungal pathogens by regulating the trafficking and activation state of selected subgroups of inflammatory cells e.g. macrophages, lymphocytes and natural killer (NK) cells. While both MIP-1α and MIP-1β exert similar effects on monocytes their effect on lymphocytes differ; with MIP-1α selectively attracting CD8+ lymphocytes and MIP-1β (also known as C-C motif chemokine ligand 4) selectively attracting CD4+ lymphocytes. Additionally, MIP-1α and MIP-1β have also been shown to be potent chemoattractants for B cells, eosinophils and dendritic cells.

Sequence

APMGSDPPTA CCFSYTARKL PHNFVVDYYE TSSLCSQPAV VFQTKRGKQV CADPSESWVQ EYVYDLELN

Physical form

Lyophilized with no additives.

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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S D Wolpe et al.
The Journal of experimental medicine, 167(2), 570-581 (1988-02-01)
We report the identification and purification of a new inflammatory monokine synthesized by the macrophage tumor cell line RAW 264.7 in response to endotoxin. This monokine, which we term "macrophage inflammatory protein" (MIP), is a doublet with an apparent molecular
Biology of the RANTES/SIS cytokine family.
T J Schall
Cytokine, 3(3), 165-183 (1991-05-01)
Identification of human macrophage inflammatory proteins 1alpha and 1beta as a native secreted heterodimer.
Guan E
The Journal of Biological Chemistry, 276(15), 12404-12409 (2001)
MicroRNA-125b modulates inflammatory chemokine CCL4 expression in immune cells and its reduction causes CCL4 increase with age.
Cheng NL
Aging Cell, 14(2), 200-208 (2015)
CCL3L1 and CCL4L1 chemokine genes are located in a segmental duplication at chromosome 17q12.
Modi WS
Genomics, 83(4), 735-738 (2004)

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