Riboflavin transporter MAAPTPARPV LTHLLVALFG MGSWAAVNGI WVELPVVVKE LPEGWSLPSY VSVLVALGNL GLLVVTLWRR LAPGKDEQVP IRVVQVLGMV GTALLASLWH HVAPVAGQLH SVAFLALAFV LALACCASNV TFLPFLSHLP PRFLRSFFLG QGLSALLPCV LALVQGVGRL EC