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