>1v2bB (B:) observed residues (from ATOM records)
tdfqtyngdgfklqipskwnpnkeveypgqvlrfednfdatsnvivaitptdkksitdfg
speqflsqvdyllgrvaianvletstaevggkqyyylsiltrtadggkhqlvtatvndgk
lyickaqagdkrwfkgakkfventatsfsla