title: Putrescine and spermidine covalently linked to protein in the protozoan Colpoda steinii in vivo [proceedings].
mesh_terms: D000818:Animals; D056890:Eukaryota / Q000032:analysis*; D008565:Membrane Proteins / Q000032:analysis*; D011485:Protein Binding; D011700:Putrescine / Q000032:analysis*; D013095:Spermidine / Q000032:analysis*
chemical_list: D008565:Membrane Proteins; D013095:Spermidine; D011700:Putrescine