>3szi_E mol:protein length:122 Avidin/streptavidinMAMAQELTAMSAWVNQDGSTLYINSINAQGELTGSYINRAAGFACQNSPYPVNGWVFGTAISFSTKWLNSVESCNSITSWSGFYINTGGQGKISTLWQLVVNGSSSPSQILKGQDVFSQTSA