>4z6j_A mol:protein length:144 Avidin familyFADDHAMSPDMKLLAGASNWVNQSGSVAQFVFTPSPTQPQTYEVSGNYINNAQGTGCKGTPYPLSGAYYSGNQIISFSVVWSNASANCQSATGWTGYFDFSGSQAVLKTDWNLAFYSGSTPAIQQGQDDFMQSVATVSESLLTE