>1RST_1|Chain A[auth B]|STREPTAVIDIN|Streptomyces avidinii (1895) MEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS >1RST_2|Chain B[auth P]|STREP-TAG PEPTIDE| AWRHPQFGG