Peptide sequence: NLSRPLLENK LKAFSIGKMS TAKRTLSKKE QEELKKKEDE KAAAEIYEEF Sequence homology: Cow: 100%; Dog: 100%; Goat: 80%; Horse: 100%; Human: 100%; Mouse: 100%; Pig: 100%; Rabbit: 100%; Rat: 100%; Yeast: 83%; Zebrafish: 86%. U2SURP (U2 SnRNP Associate