>1tkpB (B:) SEQRES residues mstqknaratagevegsdalrmdadraeqcvdalnadlanvyvlyhqlkkhhwnvegaef rdlhlflgeaaetaeevadelaervqalggvphaspetlqaeasvdvededvydirtsla ndmaiygdiieatrehtelaenlgdhatahmlreglieleddahhiehyleddtlvtqga le