>2MKC_1|Chain A|U2 snRNP component IST3|Saccharomyces cerevisiae (559292) GAMGNEYKDNAYIYIGNLNRELTEGDILTVFSEYGVPVDVILSRDENTGESQGFAYLKYEDQRSTILAVDNLNGFKIGGRALKIDHTFYRPKRSLQKYYEAVKEELDRDIVSKNNAEK >2MKC_2|Chain B|Pre-mRNA leakage protein 1|Saccharomyces cerevisiae (559292) GSKSQYIDIMPDFSPSGLLELES >2MKC_3|Chain C|Pre-mRNA-splicing factor CWC26|Saccharomyces cerevisiae (559292) GSYDKPAPENRFAIMPGSRWDGVHRSNGFEEKW