>1dthB (B:) observed residues (from ATOM records)
qnlpqryielvvvadhrvfmkynsdlntirtrvheivnfingfyrslnihvsltdleiws
nedqiniqsassdtlnafaewretdllnrkshdnaqlltaieldeetlglaplgtmcdpk
lsigivqdhspinllmgvtmahelghnlgmehdgkdclrgaslcimrpgltkgrsyefsd
dsmhyyerflkqykpqcilnkp