>1s2jB (B:) observed residues (from ATOM records)
cptiklkrqwggkpslglhyqvrpiryvvihhtvtgecsgllkcaeilqnmqayhqneld
fndisynfligndgivyegtgwglrgahtygynaigtgiafignfvdklpsdaalqaakd
llacgvqqgelsedyaliagsqvistqspgltlyneiqewphwlsnph