>2xrxH (H:) observed residues (from ATOM records) ffktfewpskaaglelqneieqfyyreaqlldhrayeawfalldkdihyfmplrtnrmir egeleysgdqdlahfdethetmygrirkvtsdvgwaenppsrtrhlvsnvivketatpdt fevnsafilyrnrlerqvdifagerrdvlrradnnlgfsiakrtilldastllsnnlsmf f