>3tlkB (B:) observed residues (from ATOM records)
dwprqitdsrgthtlesqpqrivstsvtltgsllaidapviasgattpnnrvaddqgflr
qwskvakerklqrlyigepsaeavaaqmpdlilisatggdsalalydqlstiaptliiny
ddkswqslltqlgeitghekqaaeriaqfdkqlaaakeqiklppqpvtaivytaaahsan
lwtpesaqgqmleqlgftlaklpaglnasqsqgkrhdiiqlggenlaaglngeslflfag
dqkdadaiyanpllahlpavqnkqvyalgtetfrldyysamqvldrlkalf