Copyrighted by the Institute of Enzymology! ER lumen protein-retaining receptor P33948 MNIFRLIGDILHLVSMYILIMKLKKSKNCIGISCRMQELYLIVFLCRYID LFFVFVSFYNTVMKITFILTIAYTIYLIRLKLPISQTYNRKVDNFKSEKY LIPPCLVLSLLTCKTYNLYNILWSFSIWLESVAILPQLVLLEKQREVENI TSHYVITMGLYRAFYILNWIYRYFFDDKPYINVVGWIGGLIQTLLYIDFF YYFALAKWYGKKLVLPFNGEV