>3tztB (B:) observed residues (from ATOM records)
amadallltldenyipqmkvlmtsiyinnpgrifdvylihsrisedklkdlgedlkkfsy
tlypiratdkemyyrllageflpenlgeilyldpdmlvinplddllrtdisdyilaaash
dyynsglllinlkrareeidpdeifsfvlpdqdilnamygdriyplddliynydarnyss
ylirskkqadlawlmdhtvvlhfcgrdkpwkknhrnkftslykhymsltkryla