>6QW4_2|Chain B[auth P]|Strep-tag II peptide|synthetic construct (32630) XSAWSHPQFEKX >6QW4_1|Chain A|Streptavidin|Streptomyces avidinii (1895) MEAGITGTWYNQLGSTFIVTAGADGALTGTYACGRGNAECRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS