>2kup_B mol:protein length:19 19-residue peptide from ALK tyrosine kinase receptor LFRLRHFPCGNVNYGYQQQ >2kup_B mol:protein length:19 19-residue peptide from ALK tyrosine kinase receptor LFRLRHFPCGNVNYGYQQQ >2kup_A mol:protein length:146 Fibroblast growth factor receptor substrate 3 GSSGSSGLNRDSVPDNHPTKFKVTNVDDEGVELGSGVMELTQSELVLHLHRREAVRWPY LCLRRYGYDSNLFSFESGRRCQTGQGIFAFKCSRAEEIFNLLQDLMQCNSINVMEEPVI ITRNSHPAELDLPRAPQPPNALGYTVSS