>3cw1_6 mol:protein length:216 U1 small nuclear ribonucleoprotein 70 kDa MTQFLPPNLLALFAPRDPIPYLPPLEKLPHEKHHNQPYCGIAPYIREFEDPRDAPPPTR AETREERMERKRREKIERRQQEVETELKMWDPHNDPNAQGDAFKTLFVARVNYDTTESK LRREFEVYGPIKRIHMVYSKRSGKPRGYAFIEYEHERDMHSAYKHADGKKIDGRRVLVD VERGRTVKGWRPRRLGGGLGGTRRGGADVNIRHSGRDDT