>2xshB (B:) SEQRES residues mtnpsphffktfewpskaaglelqneieqfyyreaqlldhrayeawfalldkdihyfmpl rtnrmiregeleysgdqdlahfdethetmygrirkvtsdvgwaenppsrtrhlvsnvivk etatpdtfevnsafilyrnrlerqvdifagerrdvlrradnnlgfsiakrtilldastll snnlsmff