ProKnow

GO Code.Bayesian Score.Evidence Rank.Number of Clues.Description 
                        Molecular Function
0005525	    0.9815	     2.8	     6	     GTP binding
0000166	    0.0101	     2.9	     6	     nucleotide binding
0008168	    0.0068	     2.9	     6	     methyltransferase activity
0003924	    0.0016	     2.5	     6	     GTPase activity
                        Biological Process
0007264	    1.0000	     2.8	     6	     small GTPase mediated signal transduction

The ProKnow analysis shows that 1pujA's molecular function is GTP binding and its biological function is small GTPase mediated signal transduction.