>2j1tB (B:) observed residues (from ATOM records) nlniayakpttqssvdyngdpnravdgnrngnfnsgsvthtradnpswwevdlkkmdkvg lvkiynrtdaetqrlsnfdvilydnnrnevakkhvnnlsgesvsldfkekgaryikvkll tsgvplslaevevfres