Melatonin receptor 1B PNASQPVLRGDGARPSWLASALACVLIFTIVVDILGNLLVILSVYRNKKLRNAGNIFV WSGAGSARPSRTPRPPWVAPALSAVLIVTTAVDVVGNLLVILSVLRNRKLRNAGISYL MSENGSFANC CEAGGWAVRP GWSGAGSARP SRTPRPPWVA PALSAVLIVT TAVDVVGNLL VILSVLRNRK LRNAGISYL