>1sb3B (B:) observed residues (from ATOM records)
mniltdfrthrpatladavnalaaeatlplgagtdllpnlrrglghpaalvdltgidgla
tistladgslrigagatleaiaehdairttwpalaqaaesvagpthraaatlggnlcqdt
rctfynqsewwrsgngyclkykgdkchvivksdrcyatyhgdvapalmvldaraeivgpa
gkrtvpvaqlfresgaehltlekgellaaievpptgawsaayskvrirdavdfplagvaa
alqrdgdriaglrvaitgsnsaplmvpvdallggnwddaaaetlaqlvrktsnvlrttit
gvkyrrrvllaisrkvvdqlwea