>1htdB (B:) observed residues (from ATOM records)
lpqryielvvvadhrvfmkynsdlntirtrvheivnfingfyrslnihvsltdleiwsne
dqiniqsassdtlnafaewretdllnrkshdnaqlltaieldeetlglaplgtmcdpkls
igivqdhspinllmgvtmahelghnlgmehdgkdclrgaslcimrpgltkgrsyefsdds
mhyyerflkqykpqcilnkp