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Crystal structure of smooth muscle G actin DNase I complex
Biology and Chemistry Report
3W3D
  •   Structure Details   Hide

    Structure Keywords

    Keywords STRUCTURAL PROTEIN
    Text smooth muscle actin, actin, DNase I, structural protein, G-actin, ATP Binding

    Polymeric Molecules

    Chain A
    Description Actin, gamma-enteric smooth muscle 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 41732.8 
    Source Method natural source  
    Entity Name Alpha-actin-3, Gamma-2-actin, Smooth muscle gamma-actin 
    Chain B
    Description Deoxyribonuclease-1 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 29092.8 
    Source Method natural source  
    Entity Name Deoxyribonuclease I, DNase I 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ATP  ADENOSINE-5'-TRIPHOSPHATE  C10 H16 N5 O13 P3   507.18  View 
    BMA  BETA-D-MANNOSE  C6 H12 O6   180.16  View 
    CA  CALCIUM ION  Ca   40.08  View 
    MAN  ALPHA-D-MANNOSE  C6 H12 O6   180.16  View 
    NAG  N-ACETYL-D-GLUCOSAMINE  C8 H15 N O6   221.21  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A ACTH_CHICK O73680     
    B DNAS1_BOVIN A5PK44     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    3.1.21.1      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    5856   Cytoskeleton  Any of the Various Filamentous Elements That Form the Internal Framework of Cells and Typically Remain After Treatment of the Cells with Mild Detergent to Remove Membrane Constituents and Soluble Components of the Cytoplasm. the Term Embraces Intermediate Filaments Microfilaments Microtubules the Microtrabecular Lattice and Other Structures Characterized by a Polymeric Filamentous Nature and Long Range Order Within the Cell. the Various Elements of the Cytoskeleton Not Only Serve in the Maintenance of Cellular Shape But Also Have Roles in Other Cellular Functions Including Cellular Movement Cell Division Endocytosis and Movement of Organelles. 
    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. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    Chain B
    GO ID   Ontology GO Term Definition
    737   DNA Catabolic Process Endonucleolytic  The Chemical Reactions and Pathways Resulting in the Breakdown of DNA Involving the Hydrolysis of Internal 3' 5' Phosphodiester Bonds in One or Two Strands of Deoxyribonucleotides. 
    6308   DNA Catabolic Process  The Cellular DNA Metabolic Process Resulting in the Breakdown of DNA Deoxyribonucleic Acid One of the Two Main Types of Nucleic Acid Consisting of a Long Unbranched Macromolecule Formed From One or Two Strands of Linked Deoxyribonucleotides the 3' Phosphate Group of Each Constituent Deoxyribonucleotide Being Joined in 3' 5' Phosphodiester Linkage to the 5' Hydroxyl Group of the Deoxyribose Moiety of the Next One. 
    6915   Apoptotic Process  A Programmed Cell Death Process Which Begins When a Cell Receives an Internal (e.g. DNA Damage) or External Signal (e.g. an Extracellular Death Ligand) and Proceeds Through a Series of Biochemical Events (signaling Pathway Phase) Which Trigger an Execution Phase. the Execution Phase Is the Last Step of an Apoptotic Process and Is Typically Characterized by Rounding Up of the Cell Retraction of Pseudopodes Reduction of Cellular Volume (pyknosis) Chromatin Condensation Nuclear Fragmentation (karyorrhexis) Plasma Membrane Blebbing and Fragmentation of the Cell Into Apoptotic Bodies. When the Execution Phase Is Completed the Cell Has Died. 
    5576   Extracellular Region  The Space External to the Outermost Structure of a Cell. For Cells Without External Protective or External Encapsulating Structures This Refers to Space Outside of the Plasma Membrane. This Term Covers the Host Cell Environment Outside an Intracellular Parasite. 
    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. 
    5635   Nuclear Envelope  The Double Lipid Bilayer Enclosing the Nucleus and Separating Its Contents From the Rest of the Cytoplasm; Includes the Intermembrane Space a Gap of Width 20 40 Nm (also Called the Perinuclear Space). 
    3779   Actin Binding  Interacting Selectively and Non Covalently with Monomeric or Multimeric Forms of Actin Including Actin Filaments. 
    4518   Nuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids. 
    4519   Endonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids by Creating Internal Breaks. 
    4520   Endodeoxyribonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Deoxyribonucleic Acid by Creating Internal Breaks. 
    4530   Deoxyribonuclease I Activity  Catalysis of the Endonucleolytic Cleavage of DNA to 5' Phosphodinucleotide and 5' Phosphooligonucleotide End Products. 
    4536   Deoxyribonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Deoxyribonucleic Acid. 
    16787   Hydrolase Activity  Catalysis of the Hydrolysis of Various Bonds E.g. C O C N C C Phosphoric Anhydride Bonds Etc. Hydrolase Is the Systematic Name For Any Enzyme of EC Class 3. 
    16888   Endodeoxyribonuclease Activity Producing 5' Phosphomonoesters  Catalysis of the Hydrolysis of Ester Linkages Within Deoxyribonucleic Acids by Creating Internal Breaks to Yield 5' Phosphomonoesters. 


     
  •   Gene Details   Hide

    Natural Source

    Chain B
    Common Name Bovine
    Scientific Name Bos taurus  
    Details Pancreas
    Chain A
    Common Name Chicken
    Scientific Name Gallus gallus  
    Details Gizzard

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    22 - 396084     actin, gamma 2, smooth muscle, enteric ACTG2    
    25 - 282217     deoxyribonuclease I DNASE1