GCA_000020025.1 Npun_F2195 definition adenosine/AMP deaminase GCA_000020025.1 Npun_F3248 definition adenosine/AMP deaminase GCA_000020025.1 Npun_R4912 definition dimethyladenosine transferase GCA_000020025.1 Npun_R5591 definition phosphoadenosine phosphosulfate reductase GCA_000020025.1 Npun_F6610 definition methylthioadenosine phosphorylase