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Crystal structure of R336A mutant of cAMP-dependent protein kinase with unphosphorylated turn motif.
Biology and Chemistry Report
4DG3
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE/TRANSFERASE INHIBITOR
    Text Protein kinase, phosphotransferase, Serine/threonine protein kinase, regulatory subunit, PKI, phosphorylation, TRANSFERASE-TRANSFERASE INHIBITOR complex

    Polymeric Molecules

    Chain E
    Description cAMP-dependent protein kinase catalytic subunit alpha 
    Mutation R336A 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 42874.2 
    Source Method genetically manipulated  
    Entity Name PKA C-alpha 
    Chain A
    Description cAMP-dependent protein kinase inhibitor alpha 
    Fragment UNP Residues 6-25 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 2226.4 
    Source Method synthetic  
    Entity Name PKI-alpha, cAMP-dependent protein kinase inhibitor, muscle/brain isoform 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ANP  PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER  C10 H17 N6 O12 P3   506.20  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A IPKA_MOUSE P27776     
    E KAPCA_MOUSE P05132     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    2.7.11.11      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    6469   Negative Regulation of Protein Kinase Activity  Any Process That Stops Prevents or Reduces the Frequency Rate or Extent of Protein Kinase Activity. 
    4862   Camp Dependent Protein Kinase Inhibitor Activity  Stops Prevents or Reduces the Activity of a Camp Dependent Protein Kinase. 
    Chain E
    GO ID   Ontology GO Term Definition
    1707   Mesoderm Formation  The Process That Gives Rise to the Mesoderm. This Process Pertains to the Initial Formation of the Structure From Unspecified Parts. 
    1843   Neural Tube Closure  The Last Step in the Formation of the Neural Tube Where the Paired Neural Folds Are Brought Together and Fuse At the Dorsal Midline. 
    6468   Protein Phosphorylation  The Process of Introducing a Phosphate Group On to a Protein. 
    16310   Phosphorylation  The Process of Introducing a Phosphate Group Into a Molecule Usually with the Formation of a Phosphoric Ester a Phosphoric Anhydride or a Phosphoric Amide. 
    18105   Peptidyl Serine Phosphorylation  The Phosphorylation of Peptidyl Serine to Form Peptidyl O Phospho L Serine. 
    18107   Peptidyl Threonine Phosphorylation  The Phosphorylation of Peptidyl Threonine to Form Peptidyl O Phospho L Threonine. 
    45667   Regulation of Osteoblast Differentiation  Any Process That Modulates the Frequency Rate or Extent of Osteoblast Differentiation. 
    46777   Protein Autophosphorylation  The Phosphorylation by a Protein of One or More of Its Own Amino Acid Residues (cis Autophosphorylation) or Residues On an Identical Protein (trans Autophosphorylation). 
    46827   Positive Regulation of Protein Export From Nucleus  Any Process That Activates or Increases the Frequency Rate or Extent of Directed Movement of Proteins From the Nucleus Into the Cytoplasm. 
    48240   Sperm Capacitation  A Process Required For Sperm to Reach Fertilization Competence. Sperm Undergo an Incompletely Understood Series of Morphological and Molecular Maturational Processes Termed Capacitation Involving Among Other Processes Protein Tyrosine Phosphorylation and Increased Intracellular Calcium. 
    50804   Regulation of Synaptic Transmission  Any Process That Modulates the Frequency or Rate of Synaptic Transmission the Process of Communication From a Neuron to a Target (neuron Muscle or Secretory Cell) Across a Synapse. 
    61136   Regulation of Proteasomal Protein Catabolic Process  Any Process That Modulates the Rate Frequency or Extent of the Chemical Reactions and Pathways Resulting in the Breakdown of a Protein or Peptide by Hydrolysis of Its Peptide Bonds That Is Mediated by the Proteasome. 
    70613   Regulation of Protein Processing  Any Process That Modulates the Frequency Rate or Extent of Protein Processing Any Protein Maturation Process Achieved by the Cleavage of a Peptide Bond or Bonds Within a Protein. 
    71158   Positive Regulation of Cell Cycle Arrest  Any Process That Increases the Rate Frequency or Extent of Cell Cycle Arrest the Process in Which the Cell Cycle Is Halted During One of the Normal Phases. 
    71333   Cellular Response to Glucose Stimulus  Any Process That Results in a Change in State or Activity of a Cell (in Terms of Movement Secretion Enzyme Production Gene Expression Etc.) As a Result of a Glucose Stimulus. 
    71374   Cellular Response to Parathyroid Hormone Stimulus  Any Process That Results in a Change in State or Activity of a Cell (in Terms of Movement Secretion Enzyme Production Gene Expression Etc.) As a Result of a Parathyroid Hormone Stimulus. 
    1901621   Negative Regulation of Smoothened Signaling Pathway Involved in Dorsal/ventral Neural Tube Patterning  Any Process That Stops Prevents or Reduces the Frequency Rate or Extent of Smoothened Signaling Pathway Involved in Dorsal/ventral Neural Tube Patterning. 
    2000810   Regulation of Tight Junction Assembly  Any Process That Modulates the Frequency Rate or Extent of Tight Junction Assembly. 
    5634   Nucleus  A Membrane Bounded Organelle of Eukaryotic Cells in Which Chromosomes Are Housed and Replicated. in Most Cells the Nucleus Contains All of the Cell's Chromosomes Except the Organellar Chromosomes and Is the Site of RNA Synthesis and Processing. in Some Species or in Specialized Cell Types RNA Metabolism or DNA Replication May Be Absent. 
    5654   Nucleoplasm  That Part of the Nuclear Content Other Than the Chromosomes or the Nucleolus. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    5739   Mitochondrion  A Semiautonomous Self Replicating Organelle That Occurs in Varying Numbers Shapes and Sizes in the Cytoplasm of Virtually All Eukaryotic Cells. It Is Notably the Site of Tissue Respiration. 
    5813   Centrosome  A Structure Comprised of a Core Structure (in Most Organisms a Pair of Centrioles) and Peripheral Material From Which a Microtubule Based Structure Such As a Spindle Apparatus Is Organized. Centrosomes Occur Close to the Nucleus During Interphase in Many Eukaryotic Cells Though in Animal Cells It Changes Continually During the Cell Division Cycle. 
    5829   Cytosol  The Part of the Cytoplasm That Does Not Contain Organelles But Which Does Contain Other Particulate Matter Such As Protein Complexes. 
    5886   Plasma Membrane  The Membrane Surrounding a Cell That Separates the Cell From Its External Environment. It Consists of a Phospholipid Bilayer and Associated Proteins. 
    5929   Cilium  A Specialized Eukaryotic Organelle That Consists of a Filiform Extrusion of the Cell Surface and of Some Cytoplasmic Parts. Each Cilium Is Largely Bounded by an Extrusion of the Cytoplasmic (plasma) Membrane and Contains a Regular Longitudinal Array of Microtubules Anchored to a Basal Body. 
    16020   Membrane  Double Layer of Lipid Molecules That Encloses All Cells and in Eukaryotes Many Organelles; May Be a Single or Double Lipid Bilayer; Also Includes Associated Proteins. 
    31514   Motile Cilium  A Cilium Which Has a Variable Arrangement of Axonemal Microtubules Contains Molecular Motors and Beats with a Characteristic Whip Like Pattern That Promotes Cell Motility or Transport of Fluids and Other Cells Across a Cell Surface. Motile Cilia Are Typically Found in Multiple Copies On Epithelial Cells That Line the Lumenal Ducts of Various Tissues. Motile Cilia May Also Function As Sensory Organelles. 
    31588   AMP Activated Protein Kinase Complex  A Protein Complex That Possesses AMP Dependent Protein Kinase Activity. 
    31594   Neuromuscular Junction  The Junction Between the Axon of a Motor Neuron and a Muscle Fiber. in Response to the Arrival of Action Potentials the Presynaptic Button Releases Molecules of Neurotransmitters Into the Synaptic Cleft. These Diffuse Across the Cleft and Transmit the Signal to the Postsynaptic Membrane of the Muscle Fiber Leading to a Change in Post Synaptic Potential. 
    42995   Cell Projection  A Prolongation or Process Extending From a Cell E.g. a Flagellum or Axon. 
    70062   Extracellular Vesicular Exosome  A Membrane Bounded Vesicle That Is Released Into the Extracellular Region by Fusion of the Limiting Endosomal Membrane of a Multivesicular Body with the Plasma Membrane. 
    97225   Sperm Midpiece  The Highly Organized Segment of the Sperm Flagellum Which Begins At the Connecting Piece and Is Characterized by the Presence of 9 Outer Dense Fibers (odfs) That Lie Outside Each of the 9 Outer Axonemal Microtubule Doublets and by a Sheath of Mitochondria That Encloses the Odfs and the Axoneme; the Midpiece Terminates About One Fourth of the Way Down the Sperm Flagellum At the Annulus Which Marks the Beginning of the Principal Piece. 
    97546   Ciliary Base  Area of the Cilium (also Called Flagellum) Where the Basal Body and the Axoneme Are Anchored to the Plasma Membrane. the Ciliary Base Encompasses the Distal Part of the Basal Body Transition Fibers and Transition Zone and Is Structurally and Functionally Very Distinct From the Rest of the Cilium. in This Area Proteins Are Sorted and Filtered Before Entering the Cilium and Many Ciliary Proteins Localize Specifically to This Area. 
    166   Nucleotide Binding  Interacting Selectively and Non Covalently with a Nucleotide Any Compound Consisting of a Nucleoside That Is Esterified with (ortho)phosphate or an Oligophosphate At Any Hydroxyl Group On the Ribose or Deoxyribose. 
    4672   Protein Kinase Activity  Catalysis of the Phosphorylation of an Amino Acid Residue in a Protein Usually According to the Reaction: a Protein + ATP = a Phosphoprotein + Adp. 
    4674   Protein Serine/threonine Kinase Activity  Catalysis of the Reactions: ATP + Protein Serine = Adp + Protein Serine Phosphate and ATP + Protein Threonine = Adp + Protein Threonine Phosphate. 
    4691   Camp Dependent Protein Kinase Activity  Catalysis of the Reaction: ATP + a Protein = Adp + a Phosphoprotein. This Reaction Requires the Presence of Camp. 
    4712   Protein Serine/threonine/tyrosine Kinase Activity  Catalysis of the Reactions: ATP + a Protein Serine = Adp + Protein Serine Phosphate; ATP + a Protein Threonine = Adp + Protein Threonine Phosphate; and ATP + a Protein Tyrosine = Adp + Protein Tyrosine Phosphate. 
    5515   Protein Binding  Interacting Selectively and Non Covalently with Any Protein or Protein Complex (a Complex of Two or More Proteins That May Include Other Nonprotein Molecules). 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    16301   Kinase Activity  Catalysis of the Transfer of a Phosphate Group Usually From ATP to a Substrate Molecule. 
    16740   Transferase Activity  Catalysis of the Transfer of a Group E.g. a Methyl Group Glycosyl Group Acyl Group Phosphorus Containing or Other Groups From One Compound (generally Regarded As the Donor) to Another Compound (generally Regarded As the Acceptor). Transferase Is the Systematic Name For Any Enzyme of EC Class 2. 
    16772   Transferase Activity Transferring Phosphorus Containing Groups  Catalysis of the Transfer of a Phosphorus Containing Group From One Compound (donor) to Another (acceptor). 
    19901   Protein Kinase Binding  Interacting Selectively and Non Covalently with a Protein Kinase Any Enzyme That Catalyzes the Transfer of a Phosphate Group Usually From ATP to a Protein Substrate. 
    31625   Ubiquitin Protein Ligase Binding  Interacting Selectively and Non Covalently with a Ubiquitin Protein Ligase Enzyme Any of the E3 Proteins. 
    34237   Protein Kinase a Regulatory Subunit Binding  Interacting Selectively and Non Covalently with One or Both of the Regulatory Subunits of Protein Kinase A. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain E
    Common Name Mouse
    Scientific Name Mus musculus  
    Gene prkaca, pkaca
    Host Scientific Name Escherichia coli  


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    3 3 A1|3 18767     protein kinase inhibitor, alpha PKIA    
    8 8|8 C3 18747     protein kinase, cAMP dependent, catalytic, alpha PRKACA