>tr|A0A3V7W0E9|A0A3V7W0E9_SALEB Spermidine/putrescine ABC transporter permease PotB OS=Salmonella paratyphi B GN=potB MKNTSKFQNVVIVTIVGWLVLFVFLPNLMIIGTSFLTRDDASFVKMVFTLDNYARLLDPL YFEVLLHSLNMALIATLSCLVLGYPFAWFLAKLPEKIRPLLLFLLIVPFWTNSLIRIYGL KIFLSTKGYLNEFLLWLGVIDTPIRIMFTPSAVIIGLVYILLPFMVMPLYSSIEKLDKPL LEAARDLGASKMQTFIRIIIPLTMPGIVAGCLLVMLPAMGLFYVSDLMGGAKNLLIGNVI KVQFLNIRDWPFGAATSITLTIVMGLMLLIYWRASRLLNKKVSDISD