>2boyB (B:) observed residues (from ATOM records)
stdrtgnivgkmiaainavikdekvsyseykastgwlisvgeknewplfldvffehaies
vaaesnrgsqssiqgpyfipgapelsipytmpmrddesgdtlifrgevvdqegapladvl
ldmwqadaageysfinptlpdylfrgkirtdengrftlrtivpapyeipkngptgallaa
agwhawrpahlhwiiakegyeslttqlyfengqwtgsdvanavkpelllsldkieaqgph
fetsykftlgkv