CXCR4B Peptide

Application Note:

CXCR4B Peptide is used for blocking the activity of CXCR4B antibody (catalog number 46-828). The CXCR4B antibody ships at 0.5 mg/mL and the CXCR4B Peptide ships as a 100 ug pellet. When peptide is reconstituted in 200 uL water, the concentration will be 0.5 mg/mL, identical to that of the antibody. The best starting ratio would be 1:1 (which means molar excess of peptide relative to antibody when identical volumes are mixed). Mix equal volume of peptide and antibody at the required dilution and leave at ambient temperature for 20 minutes. Then incubate and develop in parallel two blots: one with the antibody and one with the antibody which has been pre-absorbed with the provided peptide.