Status Description Organism Genes References
spermine/spermidine synthase family protein 1 Achromobacter arsenitoxydans G10BD-3615
spermine/spermidine synthase Azorhizobium caulinodans GJF3-2512
spermine synthase Ammonifex degensii GHG1-1829
spermine synthase Anaeromyxobacter dehalogenans GH35-2767
spermine synthase Alkalilimnicola ehrlichii GHAX-341
Spermine synthase Alcaligenes faecalis G10LC-2818
spermine synthase Acidianus hospitalis GHY6-833
spermine synthase Actinosynnema mirum GH7R-5558
spermine/spermidine synthase Actinomyces naeslundii G10FQ-785
spermine synthase Arcobacter nitrofigilis GJ62-226