Structural highlights 
  Function 
SPEE_BACSU Involved in the cell growth and proliferation. Catalyzes the irreversible transfer of a propylamine group from the amino donor S-adenosylmethioninamine (decarboxy-AdoMet) to putrescine (1,4-diaminobutane) to yield spermidine (Probable).[1] 
  Evolutionary Conservation 
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
 See Also
  References 
- ↑ Sekowska A, Bertin P, Danchin A. Characterization of polyamine synthesis pathway in Bacillus subtilis 168. Mol Microbiol. 1998 Aug;29(3):851-8. PMID:9723923