>2q4xB (B:) observed residues (from ATOM records) rgvidtwidkhrsiytaatrhafvvsirdgsvdlssfrtwlgqdylfvrrfvpfvasvli rackdsgessdmevvlggiaslndeiewfkregskwdvdfstvvpqranqeygrfledlm ssevkypvimtafwaieavyqesfahcktpveltgachrwgndgfkqycssvkniaercl enasgevlgeaedvlvrvlelevafwemsrg