>1xx9B (B:) observed residues (from ATOM records) ivggtasvrgewpwqvtlhttsptqrhlcggsiignqwiltaahcfygvespkilrvysg ilnqseikedtsffgvqeiiihdqykmaesgydiallklettvnytdsqrpiclpskgyt dcwvtgwgyrklrdkiqntlqkakiplvtneecqkryrghkithkmicagyreggkdack gdsggplsckhnevwhlvgitswgegcaqrerpgvytnvveyvdwilektqav