NPL, isolated from daffodil bulbs, has a specificity toward α-linked mannose, preferring polymannose structures containing (α-1,6) linkages. Binding to mannose polymers can occur via internal mannose residues and is not dependent on structural integrity of a non-reducing end sugar. NPL also binds some galactomannans, and differs in other binding characteristics from a related lectin, Galanthus nivalis lectin. Unlike Con A, LCA, or PSA, NPL does not bind glucose.
| Unit Size | 5 mg |
|---|---|
| Applications | Glycobiology |
| Recommended Usage | Although many buffers can be employed for reconstituting and diluting this lectin, 10 mM HEPES buffered saline, pH 8.5, 0.1 mM CaCl2 is recommended. For preserving solutions stored at 4 ºC, 0.08% sodium azide can be used. |
| Recommended Storage | 2-8 °C |
| Conjugate | Unconjugated |
| Sugar Specificity | Mannose |
This lectin exists as a tetramer at neutral pH but below pH 5.0 and above pH 9.0, NPL dissociates into monomers.
Inhibiting Sugar: 400 mM α-methylmannoside
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