22433 GBP superfamilyThalassiosira pseudonana
GO:0003924 GO:0005525 GO:0006955 -
Catalysis of the reaction: GTP + H2O = GDP + phosphate.
Interacting selectively and non-covalently with GTP, guanosine triphosphate.
Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.