Homologs of HSERO_RS05415 from Herbaspirillum seropedicae SmR1
spermidine/putrescine ABC transporter ATPase
SEED: Putrescine transport ATP-binding protein PotA (TC 3.A.1.11.1)
KEGG: putative spermidine/putrescine transport system ATP-binding protein
Top 100 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser