>2xrxX (X:) observed residues (from ATOM records) ffktfewpskaaglelqneieqfyyreaqlldhrayeawfalldkdihyfmplrtnrmir egeleysgdqdlahfdethetmygrirkvtsdvgwaenppsrtrhlvsnvivketatpdt fevnsafilyrnrlerqvdifagerrdvlrradnnlgfsiakrtilldastllsnnlsmf f