>2lcx_A mol:protein length:44 Receptor tyrosine-protein kinase erbB-4 STLPQHARTPLIAAGVIGGLFILVIVGLTFAVYVRRKSIKKKRA >2lcx_B mol:protein length:44 Receptor tyrosine-protein kinase erbB-4 STLPQHARTPLIAAGVIGGLFILVIVGLTFAVYVRRKSIKKKRA