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