>4en0B (B:) observed residues (from ATOM records)
vnpaahltgansssggpllwetqlglaflrglsyhdgalvvtkagyyyiyskvqlggvgc
plstithglykrtprypeelellvsqqspcgratsssrvwwdssflggvvhleageevvv
rvlderlvrlrdgtrsyfgafmv