>6SOS_1|Chains A, B, C, D|Streptavidin|Streptomyces avidinii (1895) MEAGITGTWYNQLGSTFIVTAGADGALTGTYVTARGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEENAGYSTLVGHDTFTKVKPSAAS >6SOS_2|Chains E[auth P], F[auth R]|Twin-Strep-tag peptide|synthetic construct (32630) XSAWSHPQFEKGGGSGGGSGGSAWSHPQFEKX