XppNHp

For general laboratory use.

Shipping: shipped on gel packs

Storage Conditions: store at -20 °C
Short term exposure (up to 1 week cumulative) to ambient temperature possible.

Shelf Life: 6 months after date of delivery

Molecular Formula: C₁₀H₁₆N₅O₁₄P₃ (free acid)

Molecular Weight: 523.18 g/mol (free acid)

Exact Mass: 522.99 g/mol (free acid)

CAS#: 187533-43-3

Purity: ≥ 90 % (HPLC)

Form: solid

Color: white to off-white

Spectroscopic Properties: λ_max 276 nm, ε 9.6 L mmol^-1 cm^-1 (Tris-HCl pH 7.5)

Please note:

Due to the limited stability, the price is higher than for stable nucleotides which can be kept in stock. We strongly suggest always to prepare fresh solutions for immediate use. For this, neutral to slightly alkaline buffers and low temperatures are required.

Selected References:
Tomar et al. (2009) Distinct GDP/GTP bound states of the tandem G-domains of EngA regulate ribosome binding. Nucleic Acids Research 37 (7):2359.
Yanachkov et al. (1997) Synthesis and effect of nonhydrolyzable xanthosine triphosphate derivatives on prenylation of Rab5 (D136N). Mol. Pharmacol. 51 (1):47.