>2btx_B mol:protein length:13 LIBRARY DERIVED PEPTIDE MRYYESSLKSYPD >2btx_B mol:protein length:13 LIBRARY DERIVED PEPTIDE MRYYESSLKSYPD >2btx_A mol:protein length:74 ALPHA-BUNGAROTOXIN IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTC CSTDKCNPHPKQRPG