>1SWG_1|Chains A, B, C, D|CIRCULARLY PERMUTED CORE-STREPTAVIDIN E51/A46|Streptomyces avidinii (1895) MESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAASGGGSAEAGITGTWYNQLGSTFIVTAGADGALTGTYESA