>3cvaX (X:) observed residues (from ATOM records)
sqsnrelvvdflsyklsqkgyswsqfpmaavkqalreagdefelryrrafsdltsqlhit
pgtayqsfeqvvnelfrdgvnagrivaffsfggalcvesvdkemqvlvsriaawmatyln
dhlepwiqenggwdtfvelyg