>1szqB (B:) observed residues (from ATOM records)
efdreivdivdyvmnyeisskvaydtahyclldtlgcglealeypackkllgpivpgtvv
pngvrvpgtqfqldpvqaafnigamirwldfndtwlaaewghpsdnlggilatadwlsrn
avasgkapltmkqvltamikaheiqgcialensfnrvgldhvllvkvastavvaemlglt
reeilnavslawvdgqslrtyrhapntgtrkswaagdatsravrlalmaktgemgypsal
tapvwgfydvsfkgesfrfqrpygsyvmenvlfkisfpaefhsqtaveaamtlyeqmqaa
gktaadiekvtirtheaciriidkkgplnnpadrdhciqymvaipllfgrltaadyednv
aqdkridalrekincfedpaftadyhdpekraianaitleftdgtrfeevvveypighar
rrqdgipklvdkfkinlarqfptrqqqrilevsldrarleqmpvneyldlyvi