Biotinylated Human CCL4 (MIP-1β)
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SPECIFICATIONS
Source: E. coli derived Accession # P13236 (24-92) Modification: Biotin at C-Terminal Formulation: Lyophilized Carrier Protein: None Predicted Molecular Mass: 10,237.4973 Da Extinction Coefficient: 18,020 M-1 cm-1 Actual Molecular Mass: 10,237.4973 Da by ESI Mass Spec Endotoxin Level: <0.01 EU per 1μg of the protein by the LAL method Purity: > 97% by SDS PAGE PREPARATION AND STORAGE Reconstitution: Spin sample prior to reconstitution. Recommended concentration of 100μg/mL in sterile water. Shipping: Room Temp Stability and Storage: Avoid repeated freeze-thaw cycles. • 12 months from date of receipt, -20 to -70 °C as supplied. • ChemoTactics suggests using immediately after reconstitution. • 1 month, -20 to -70 °C under sterile conditions after reconstitution. |
Migration Assay: Cells expressing recombinant CCR5 were assayed for migration through a transwell filter at various concentrations of WT or Biotinylated MIP-1β. Responses are expressed as the % of total input cells (Blue: wild type; Red: biotinylated).
Migration Assay Protocol 
Activity: EC50 = 1-3 nM determined by Migration Assay of recombinant CCR5 containing cells
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For bulk orders or custom sizes, please contact us and we can provide this for you.
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REFERENCES
1. "Identification of RANTES, MIP-1 alpha, and MIP-1 beta as the major HIV-suppressive factors produced by CD8+ T cells."
Cocchi F., DeVico A.L., Garzino-Demo A., Arya S.K., Gallo R.C., Lusso P.
Science 270:1811-1815 (1995)
2. "The assignment of chemokine-chemokine receptor pairs: TARC and MIP-1 beta are not ligands for human CC-chemokine receptor 8."
Garlisi C.G., Xiao H., Tian F., Hedrick J.A., Billah M.M., Egan R.W., Umland S.P.
Eur. J. Immunol. 29:3210-3215 (1999)
3. "Natural truncation of the chemokine MIP-1beta/CCL4 affects receptor specificity but not anti-HIV-1 activity."
Guan E., Wang J., Roderiquez G., Norcross M.A.
J. Biol. Chem. 277:32348-32352 (2002)
1. "Identification of RANTES, MIP-1 alpha, and MIP-1 beta as the major HIV-suppressive factors produced by CD8+ T cells."
Cocchi F., DeVico A.L., Garzino-Demo A., Arya S.K., Gallo R.C., Lusso P.
Science 270:1811-1815 (1995)
2. "The assignment of chemokine-chemokine receptor pairs: TARC and MIP-1 beta are not ligands for human CC-chemokine receptor 8."
Garlisi C.G., Xiao H., Tian F., Hedrick J.A., Billah M.M., Egan R.W., Umland S.P.
Eur. J. Immunol. 29:3210-3215 (1999)
3. "Natural truncation of the chemokine MIP-1beta/CCL4 affects receptor specificity but not anti-HIV-1 activity."
Guan E., Wang J., Roderiquez G., Norcross M.A.
J. Biol. Chem. 277:32348-32352 (2002)
