Protein A (FITC)

Molecular Biology / MB-BioSep Protein A/G/L

-20°C

Supplied as a liquid in PBS, pH 7.4, 1% ovalbumin, 0.09% sodium azide, 40% glycerol. Labeled with fluorescein isothiocyanate (FITC).

Source:
Staphylococcus aureus, Cowan I strain

Purity: Purified by molecular sieving.
F/P RATIO:
Absorbance (A495nm/A280nm) = 2.85
Weight ratio (ug FITC/protein A)= 31.26
Molar ratio (mole FITC/mole protein A)= 3.37
Concentration of protein A = ~2mg/ml

Storage and Stability:
Store product at 4°C if to be used immediately within two weeks. For long-term storage, aliquot to avoid repeated freezing and thawing and store at -20°C. Aliquots are stable at -20°C for 6 months after receipt. Dilute required amount only prior to immediate use. Further dilutions can be made in assay buffer.
Caution: FITC conjugates are sensitive to light. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.