Phosphatase vs Hydrolase : GTPase
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Hydrolase because you're hydrolyzing the GTP to make GDP and phosphate.
Phosphatase is for taking a phosphate off of stuff, like off of organic molecules other than dNTPs
Phosphatase is for taking a phosphate off of stuff, like off of organic molecules other than dNTPs
A Hydrolase also uses water:
hydrolase: A–B + H2O → A–OH + B–H.
So GTP +H2O -> GDP +P
But GTPase is both a hydrolase and phosphatase. But make sure you aren't confusing phosphatase with a phosphorylase, which removes a phosphate but without water.
A Hydrolase doesn't always remove a phosphate, but in this case it does.
A phosphatase is a type of hydrolase, though.
"Hydrolases are classified as EC 3 in the EC number classification of enzymes. Hydrolases can be further classified into several subclasses, based upon the bonds they act upon:
hydrolase: A–B + H2O → A–OH + B–H.
So GTP +H2O -> GDP +P
But GTPase is both a hydrolase and phosphatase. But make sure you aren't confusing phosphatase with a phosphorylase, which removes a phosphate but without water.
A Hydrolase doesn't always remove a phosphate, but in this case it does.
A phosphatase is a type of hydrolase, though.
"Hydrolases are classified as EC 3 in the EC number classification of enzymes. Hydrolases can be further classified into several subclasses, based upon the bonds they act upon:
- EC 3.1: ester bonds (esterases: nucleases, phosphodiesterases, lipase, phosphatase)" - From wikipedia
