>tr|B3LTK4|B3LTK4_YEAS1 U2 snRNP component IST3 OS=Saccharomyces cerevisiae GN=SCRG_05174 MNKIQQINDKELQSGILSPHQSWHNEYKDNAYIYIGNLNRELTEGDILTVFSEYGVPVDV ILSRDENTGESQGFAYLKYEDQRSTILAVDNLNGFKIGGRALKIDHTFYRPKRSLQKYYE AVKEELDRDIVSKNNAEKLILAKKDQPN