>5cz1B (B:) observed residues (from ATOM records) glkprvlwqmdvthvsefgklkyvhvtvdtyshftfatartgeatkdvlqhlaqsfaymg ipqkiktayvsrsiqeflarwkishvtgipynpqgqaiverthqnikaqlnklqkagkyy tphhllahalfvlnhvnmdnqghtaaerhw