>sp|P06550|LCTB_GEOSE Protein LctB OS=Geobacillus stearothermophilus OX=1422 GN=lctB PE=4 SV=1 MDYAFLGVVTAVLLGSITSLWTASVQATHRLSLDSLWVLVQWYGTMLLGFAMIYMILQAN GHHVFTPSPSSAAGNRLSMLEDSLYLSGMTLLSVGYGDVTPVGIGRWIAIAEALLGYIMP AVIVTRTVFDSDRR