SomatostatinReceptors, SomatostatinAmino AcidsOctreotideSequence Homology, Amino AcidAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularSomatostatin-28Amino Acids, EssentialAmino Acid Transport SystemsSequence AlignmentBase SequenceMolecular Sequence DataAmino Acid MotifsEscherichia coliMutationKineticsBinding SitesPeptide FragmentsNeuroendocrine TumorsDNA, ComplementaryMutagenesis, Site-DirectedGlucagonGastrinsPeptidesRecombinant ProteinsRNA, MessengerAmino Acids, AromaticSequence Homology, Nucleic AcidPeptides, CyclicLeucineAmino Acids, Branched-ChainSomatostatin-Secreting CellsProtein ConformationStructure-Activity RelationshipCell LineAmino Acids, SulfurModels, MolecularAcromegalyDNAIndium RadioisotopesMolecular WeightProtein BindingProtein Structure, TertiarySubstrate SpecificityReceptors, NeurotransmitterRestriction MappingGrowth HormoneBacterial ProteinsGrowth Hormone-Releasing HormoneAlanineRecombinant Fusion ProteinsPituitary NeoplasmsPentetic AcidCarcinoid TumorPhylogenyElectrophoresis, Polyacrylamide GelInsulinPancreasProteinsPancreatic HormonesSequence Analysis, DNAGenes, BacterialChromatography, High Pressure LiquidProtein PrecursorsDNA PrimersPlasmidsProtein Structure, SecondaryArginineSpecies SpecificityAmino Acid Transport Systems, BasicLysineHormonesConserved SequenceIsoleucineCarrier ProteinsAmino Acids, BasicCricetinaeBiological TransportCattlePancreatic PolypeptideTrypsinPolymerase Chain ReactionGenesGrowth Hormone-Secreting Pituitary AdenomaGlycineCodonGene ExpressionOligopeptidesIslets of LangerhansCyanogen BromideProtein BiosynthesisTransfectionGlucoseLiverTranscription, GeneticMembrane ProteinsAmino Acids, DiaminoPhenylalanine