• Substrate for tubulin polymerization
• Required for tubulin conformational stability
• Substrate for small G-proteins
• Substrate for GTPases

Guanosine 5’-triphosphate (GTP) is supplied as a white powder. Chemical formula C10H16N5O14P3. xNa+. The molecular weight of the compound is 523.18. CAS # 36051-31-7, EC # 252-847-2.

Storage and handling

• Reconstitute in deionized water
• Each tube provides 100 µl of 100 mM GTP stock
• Once reconstituted, store ≤-20°C

≥95% by HPLC

The biological activity of general tubulin buffer is confirmed by its ability to support in vitro tubulin polymerization.