>1r15B (B:) observed residues (from ATOM records) ivptrelenvflgrckdyeitryldilprvrsdcsalwkdffkafsfknpcdldlgsykd fftsaqqqlpknkvmfwsgvydeahdyantgrkyitledtlpgymlnslvwcgqranpgf nekvcpdfktcpvqaresfwgmasssyahsaegevtymvdgsnpkvpayrpdsffgkyel pnltnkvtrvkvivlhrlgekiiekcgagslldleklvkakhfafdcvenpravlfllcs dnpnarecrla