>2dtsB (B:) observed residues (from ATOM records)
gpsvflfppkpkdtlmisrtpevtcvvvdvshedpevkfnwyvdgvevhnaktkpreeqy
nstyrvvsvltvlhqdwlngkeykckvsnkalpapiektiskakgqprepqvytlppsrd
eltknqvsltclvkgfypsdiavewesngqpennykttppvldsdgsfflyskltvdksr
wqqgnvfscsvmhealhnhytqkslsls