>tr|A0A6C8EY44|A0A6C8EY44_SALVI Spermidine/putrescine transport system permease protein PotB OS=Salmonella enterica subsp. enterica serovar Virchow str. SL491 GN=SeV_A0940 MKNTSKFQNVVIVTIVGWLVLFVFLPNLMIIGTSFLTRDDASFVKMVFTLDNYARLLDPL YFEVLLHSLNMALIATLSCLVLGYPFAWFLAKLPEKIRPLLLFLLIVPFWTNSLIRIYGL KIFLSTKGYLNEFLLWLGVIDTPIRIMFTPSAVIIGLVYILLPFMVMPLYSSIEKLDKPL LEAARDLGASKMQTFIRIIIPLTMPGIVAGCLLVMLPAMGLFYVSDLMGGAKNLLIGNVI KVQFLNIRDWPFGAATSITLTIVMGLMLLIYWRASRLLNKKVSDISD