>1f8xB (B:) observed residues (from ATOM records)
pkktiyfgagwftdrqnkaykeamealkenptidlensyvpldnqykgirvdehpeylhd
kvwatatynndlngiktndimlgvyipdeedvglgmelgyalsqgkyvllvipdedygkp
inlmswgvsdnvikmsqlkdfnfnkprfdfyegavy