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