>2qcb_A mol:protein length:159 Streptavidin MASMTGGQQMGRDEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGR YDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTKGTTEAN AWKSTLVGHDTFTKVKPSAASIDAAKKAGVNNGNPLDAVQQ