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Crystal Structure of G Protein-Coupled Receptor Kinase 2 in Complex with Galpha-q and Gbetagamma Subunits
Biology and Chemistry Report
2BCJ
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE/HYDROLASE
    Text Peripheral membrane complex, protein kinase, RGS domain, WD40 protein, heterotrimeric G protein, TRANSFERASE-HYDROLASE COMPLEX

    Polymeric Molecules

    Chain A
    Description G-protein coupled receptor kinase 2 
    Fragment residues 28-689 
    Mutation S670A 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 79750.7 
    Source Method genetically manipulated  
    Entity Name Beta-ARK-1, Beta-adrenergic receptor kinase 1 
    Chain B
    Description Guanine nucleotide-binding protein G(I)/G(S)/G(T) beta subunit 1 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 37312.0 
    Source Method genetically manipulated  
    Entity Name Transducin beta chain 1 
    Chain G
    Description Guanine nucleotide-binding protein G(I)/G(S)/G(O) gamma-2 subunit 
    Mutation C68S 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 7845.1 
    Source Method genetically manipulated  
    Entity Name G gamma-I 
    Chain Q
    Description G alpha I1, Guanine nucleotide-binding protein G(q), alpha subunit 
    Fragment Chimeric protein comprising of N-terminal helix from rat Galpha-i1, residues 1-28 and residues 31-353 from mouse Galphaq 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 41299.3 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ALF  TETRAFLUOROALUMINATE ION  Al F4   102.98  View 
    GDP  GUANOSINE-5'-DIPHOSPHATE  C10 H15 N5 O11 P2   443.20  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A ARBK1_BOVIN P21146     
    B GBB1_BOVIN P04697     
    G GBG2_BOVIN P16874     
    Q GNAQ_MOUSE P21279     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc Catalytic Site(s)
    2.7.11.15        
    3.6.5.1        
    3.6.5.1        
    3.6.5.1        
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    2026   Regulation of the Force of Heart Contraction  Any Process That Modulates the Extent of Heart Contraction Changing the Force with Which Blood Is Propelled. 
    2029   Desensitization of G Protein Coupled Receptor Protein Signaling Pathway  The Process That Stops Prevents or Reduces the Frequency Rate or Extent of G Protein Coupled Receptor Protein Signaling Pathway Activity After Prolonged Stimulation with an Agonist of the Pathway. 
    6468   Protein Phosphorylation  The Process of Introducing a Phosphate Group On to a Protein. 
    7186   G Protein Coupled Receptor Signaling Pathway  A Series of Molecular Signals That Proceeds with an Activated Receptor Promoting the Exchange of GDP For GTP On the Alpha Subunit of an Associated Heterotrimeric G Protein Complex. the GTP Bound Activated Alpha G Protein Then Dissociates From the Beta and Gamma Subunits to Further Transmit the Signal Within the Cell. the Pathway Begins with Receptor Ligand Interaction or For Basal Gpcr Signaling the Pathway Begins with the Receptor Activating Its G Protein in the Absence of an Agonist and Ends with Regulation of a Downstream Cellular Process E.g. Transcription. 
    7507   Heart Development  The Process Whose Specific Outcome Is the Progression of the Heart Over Time From Its Formation to the Mature Structure. the Heart Is a Hollow Muscular Organ Which by Contracting Rhythmically Keeps Up the Circulation of the Blood. 
    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. 
    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. 
    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. 
    4703   G Protein Coupled Receptor Kinase Activity  Catalysis of the Reaction: ATP + G Protein Coupled Receptor = Adp + G Protein Coupled Receptor 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. 
    31694   Alpha 2a Adrenergic Receptor Binding  Interacting Selectively and Non Covalently with an Alpha 2a Adrenergic Receptor. 
    31755   Edg 2 Lysophosphatidic Acid Receptor Binding  Interacting Selectively and Non Covalently with an Edg 2 Lysophosphatidic Acid Receptor. 
    Chain B
    GO ID   Ontology GO Term Definition
    7165   Signal Transduction  The Cellular Process in Which a Signal Is Conveyed to Trigger a Change in the Activity or State of a Cell. Signal Transduction Begins with Reception of a Signal (e.g. a Ligand Binding to a Receptor or Receptor Activation by a Stimulus Such As Light) or For Signal Transduction in the Absence of Ligand Signal Withdrawal or the Activity of a Constitutively Active Receptor. Signal Transduction Ends with Regulation of a Downstream Cellular Process E.g. Regulation of Transcription or Regulation of a Metabolic Process. Signal Transduction Covers Signaling From Receptors Located On the Surface of the Cell and Signaling Via Molecules Located Within the Cell. For Signaling Between Cells Signal Transduction Is Restricted to Events At and Within the Receiving Cell. 
    4871   Signal Transducer Activity  Conveys a Signal Across a Cell to Trigger a Change in Cell Function or State. a Signal Is a Physical Entity or Change in State That Is Used to Transfer Information in Order to Trigger a Response. 
    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). 
    Chain G
    GO ID   Ontology GO Term Definition
    7165   Signal Transduction  The Cellular Process in Which a Signal Is Conveyed to Trigger a Change in the Activity or State of a Cell. Signal Transduction Begins with Reception of a Signal (e.g. a Ligand Binding to a Receptor or Receptor Activation by a Stimulus Such As Light) or For Signal Transduction in the Absence of Ligand Signal Withdrawal or the Activity of a Constitutively Active Receptor. Signal Transduction Ends with Regulation of a Downstream Cellular Process E.g. Regulation of Transcription or Regulation of a Metabolic Process. Signal Transduction Covers Signaling From Receptors Located On the Surface of the Cell and Signaling Via Molecules Located Within the Cell. For Signaling Between Cells Signal Transduction Is Restricted to Events At and Within the Receiving Cell. 
    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. 
    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. 
    4871   Signal Transducer Activity  Conveys a Signal Across a Cell to Trigger a Change in Cell Function or State. a Signal Is a Physical Entity or Change in State That Is Used to Transfer Information in Order to Trigger a Response. 
    31681   G Protein Beta Subunit Binding  Interacting Selectively and Non Covalently with a G Protein Beta Subunit. 
    Chain Q
    GO ID   Ontology GO Term Definition
    7165   Signal Transduction  The Cellular Process in Which a Signal Is Conveyed to Trigger a Change in the Activity or State of a Cell. Signal Transduction Begins with Reception of a Signal (e.g. a Ligand Binding to a Receptor or Receptor Activation by a Stimulus Such As Light) or For Signal Transduction in the Absence of Ligand Signal Withdrawal or the Activity of a Constitutively Active Receptor. Signal Transduction Ends with Regulation of a Downstream Cellular Process E.g. Regulation of Transcription or Regulation of a Metabolic Process. Signal Transduction Covers Signaling From Receptors Located On the Surface of the Cell and Signaling Via Molecules Located Within the Cell. For Signaling Between Cells Signal Transduction Is Restricted to Events At and Within the Receiving Cell. 
    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. 
    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. 
    31965   Nuclear Membrane  Either of the Lipid Bilayers That Surround the Nucleus and Form the Nuclear Envelope; Excludes the Intermembrane Space. 
    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. 
    4871   Signal Transducer Activity  Conveys a Signal Across a Cell to Trigger a Change in Cell Function or State. a Signal Is a Physical Entity or Change in State That Is Used to Transfer Information in Order to Trigger a Response. 
    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). 
    5525   GTP Binding  Interacting Selectively and Non Covalently with GTP Guanosine Triphosphate. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain Q
    Common Name Norway Rat House Mouse
    Scientific Name Rattus norvegicus, mus musculus  
    Genus Rattus Mus
    Species
    Strain ,
    Gene gnaq
    Host Common Name Cabbage Looper
    Host Scientific Name Trichoplusia ni  
    Host Genus Trichoplusia
    Host Cell Line High 5 Cells
    Host Vector Type Baculovirus
    Host Plasmid Name pFastBacHTA


    Chain G
    Common Name Cattle
    Scientific Name Bos taurus  
    Genus Bos
    Gene gng2
    Host Common Name Cabbage Looper
    Host Scientific Name Trichoplusia ni  
    Host Genus Trichoplusia
    Host Cell Line High 5 Cells
    Host Vector Type Baculovirus
    Host Plasmid Name pVL1392


    Chain B
    Common Name Cattle
    Scientific Name Bos taurus  
    Genus Bos
    Gene gnb1
    Host Common Name Cabbage Looper
    Host Scientific Name Trichoplusia ni  
    Host Genus Trichoplusia
    Host Cell Line High 5 Cells
    Host Vector Type Baculovirus
    Host Plasmid Name pVL1393


    Chain A
    Common Name Cattle
    Scientific Name Bos taurus  
    Genus Bos
    Gene adrbk1, grk2
    Host Common Name Cabbage Looper
    Host Scientific Name Trichoplusia ni  
    Host Genus Trichoplusia
    Host Cell Line High 5 Cells
    Host Vector Type Baculovirus
    Host Plasmid Name pVL1392


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    10 - 281203     guanine nucleotide binding protein (G protein), gamma 2 GNG2    
    16 - 281201     guanine nucleotide binding protein (G protein), beta polypeptide 1 GNB1    
    19 19 A|19 11.01 cM 14682     guanine nucleotide binding protein, alpha q polypeptide GNAQ    
    29 - 282682     adrenergic, beta, receptor kinase 1 ADRBK1