>2aaxB (B:) observed residues (from ATOM records)
lvpqlstisraltpspvmvleniepeivyagydsskpdtaenllstlnrlagkqmiqvvk
wakvlpgfknlpledqitliqyswmsllsfalswrsykhtnsqflyfapdlvfneekmhq
samyelcqgmhqislqfvrlqltfeeytimkvllllstipkdglksqaafeemrtnyike
lrkmvtnnsgqswqrfyqltklldsmhdlvsdllefcfytfreshalkvefpamlveiis
dqlpkvesgnakplyfh