>2LEB_1|Chain A|Serine/arginine-rich splicing factor 2|Homo sapiens (9606) MGSSHHHHHHSSGLVPRGSHMASMTGGQQMGRGSMSYGRPPPDVEGMTSLKVDNLTYRTSPDTLRRVFEKYGRVGDVYIPRDRYTKESRGFAFVRFHDKRDAEDAMDAMDGAVLDGRELRVQMARYGRPPDSHHS >2LEB_2|Chain B|RNA (5'-R(*UP*CP*CP*AP*GP*U)-3')| UCCAGU