>1xl9A (A:) observed residues (from ATOM records)
midfgtiatamvtpfdingnidfakttklvnylidngttaivvggttgesptltseekva
lyrhvvsvvdkrvpviagtgsnnthasidltkkatevgvdavmlvapyynkpsqegmyqh
fkaiaestplpvmlynvpgrsivqisvdtvvrlseienivaikdaggdvltmteiiekta
ddfavysgddgltlpamavgakgivsvashvignemqemiaafqagefkkaqklhqllvr
vtdslfmapsptpvktalqmvgldvgsvrlpllplteeervtlqsvmqsipr