SerineSerine EndopeptidasesSerine ProteasesSerine Proteinase InhibitorsAmino Acid SequencePhosphorylationMolecular Sequence DataSerine C-PalmitoyltransferasePhosphoserineSerine O-AcetyltransferaseGlycine HydroxymethyltransferaseProtein-Serine-Threonine KinasesThreonineSubstrate SpecificityBase SequenceMutagenesis, Site-DirectedSequence Homology, Amino AcidBinding SitesCell LineMutationRecombinant ProteinsKineticsMannose-Binding Protein-Associated Serine ProteasesSerpinsCloning, MolecularEnzyme ActivationProtein BindingProtein KinasesSignal TransductionAmino AcidsL-Serine DehydrataseProtein Structure, TertiaryIsoflurophatePhosphoprotein PhosphatasesProtease InhibitorsPeptide MappingPhenylmethylsulfonyl FluorideTrypsinCathepsin GAmino Acid SubstitutionGlycineEndopeptidasesSequence AlignmentProtein Processing, Post-TranslationalElectrophoresis, Polyacrylamide GelCysteineRacemases and EpimerasesTransfectionPhosphothreonineChymotrypsinPhosphoglycerate DehydrogenaseModels, MolecularPhosphopeptidesAlaninePhosphoproteinsEscherichia coliCells, CulturedStructure-Activity RelationshipPhosphoamino AcidsEnzyme InhibitorsOkadaic AcidProtein Phosphatase 2Catalytic DomainDNA, ComplementaryPeptide FragmentsProtein ConformationRecombinant Fusion ProteinsCasein Kinase IICOS CellsSubtilisinsCatalysisMolecular WeightProtein Kinase CTrypsin InhibitorsBlotting, WesternTyrosineHydrolysisPeptide HydrolasesPancreatic ElastaseSubtilisinLeukocyte ElastaseDNA PrimersKallikreinsPeptidesEnzyme PrecursorsHeLa CellsRNA, Transfer, SerPrecipitin TestsCyclic AMP-Dependent Protein KinasesProteinase Inhibitory Proteins, SecretoryRNA, Messenger14-3-3 ProteinsBacterial ProteinsCarrier ProteinsDNA-Binding ProteinsMembrane ProteinsProto-Oncogene ProteinsEsterasesHydrogen-Ion ConcentrationProto-Oncogene Proteins c-akt