>2zxxF (F:) observed residues (from ATOM records) kapayqrfhalaqpglpglvlpykyqvlvemfrsmdtivsmlhnrsetvtfakvkqgvqe mmrkrfeernvgqiktvyptsyrfrqecnvptfkdsikrsdyqltiepllgqeatqltat cllqrrqvfrqnlvervkeqhkvflaslnppmavpddqltrwhprfnvdevpdiepaelp qppv