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Merck
CN

SRP3111

MDC (67 aa) (CCL22) human

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

Synonym(s):

ABCD-1, CCL22, Macrophage-Derived Chemokine, STCP-1

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About This Item

NACRES:
NA.32
UNSPSC Code:
12352202
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biological source

human

recombinant

expressed in E. coli

assay

≥98% (HPLC), ≥98% (SDS-PAGE)

form

lyophilized

mol wt

8.0 kDa

packaging

pkg of 20 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 ... CCL22(6367)

General description

Macrophage-derived chemokine (MDC) is also known as C-C motif chemokine ligand 22 (CCL22). It is a CC chemokine that is produced in B cells, macrophages, monocyte-derived dendritic cells, activated natural killer (NK) cells and cluster of differentiation 4 (CD4) T cells. The gene encoding it is localized on human chromosome 16. Recombinant human MDC is an 8.0kDa protein containing 67 amino acid residues including the four highly conserved cysteine residues present in the CC chemokines.

Biochem/physiol Actions

Macrophage-derived chemokine (MDC) signals through the C-C chemokine receptor type 4 (CCR4). It chemo-attracts monocytes, dendritic cells and natural killer (NK) cells and aids in their function. The protein exerts human immunodeficiency virus (HIV) suppressive activity. The 67 amino acid form of MDC displays reduced chemoattractant activity but retains HIV suppressive activity. It is expressed in various cancers and is involved in recruitment of regulatory T cells (Treg) within a tumor.

Physical form

Lyophilized with no additives.

Preparation Note

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.

Other Notes

YGANMEDSVC CRDYVRYRLP LRVVKHFYWT SDSCPRPGVV LLTFRDKEIC ADPRVPWVKM ILNKLSQ


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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