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