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| Allergen: | rQue a 1.0301 Quercus alba (white oak) | 
| Unit: | 250µg | 
| Source: | E. coli | 
| Mol. Wt: | 18kD | 
| Purification: | Multi-step chromatographic purification. Purity > 95 % by silver stained SDS-PAGE | 
| Concentration: | See product insert. | 
| Formulation: | Preservative-free and carrier-free in 20mM Tris, 0.3M NaCl, 0.2M L-Arginine, pH 8.0. Sterile filtered. | 
| Storage: | Store at -20°C. Avoid repeated Freeze/Thaw cycles. | 
| Notes: | (1) rQue a 1 has a C-terminal 6x His-tag. | 
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| For Research Use Only: Not for Diagnostic or Therapeutic Use | |