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The crystal structure of an AHNAK peptide in complex with the S100A10/AnxA2 heterotetramer
Biology and Chemistry Report
4FTG
  •   Structure Details   Hide

    Structure Keywords

    Keywords CALCIUM-BINDING PROTEIN/PROTEIN BINDING
    Text Membrane repair, scaffold, AHNAK, Annexin A2, S100A10, calcium binding, inner-membrane surface, CALCIUM BINDING PROTEIN-PROTEIN BINDING complex, CALCIUM-BINDING PROTEIN-PROTEIN BINDING complex

    Polymeric Molecules

    Chain A,B
    Description Protein S100-A10 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 11089.0 
    Source Method genetically manipulated  
    Entity Name Calpactin I light chain, Calpactin-1 light chain, Cellular ligand of annexin II, S100 calcium-binding protein A10, p10 protein, p11 
    Chain C,D
    Description Annexin A2 
    Fragment Annexin A2 N-terminal peptide (UNP residues 2-16) 
    Mutation C9S 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 1653.9 
    Source Method synthetic  
    Entity Name Annexin II, Annexin-2, Calpactin I heavy chain, Calpactin-1 heavy chain, Chromobindin-8, Lipocortin II, Placental anticoagulant protein IV, PAP-IV, Protein I, p36 
    Chain E
    Description Neuroblast differentiation-associated protein AHNAK 
    Fragment AHNAK peptide (UNP residues 5654-5673) 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 2340.9 
    Source Method synthetic  
    Entity Name Desmoyokin 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    IPA  ISOPROPYL ALCOHOL  C3 H8 O   60.10  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B S10AA_HUMAN A8K4V8     
    C,D ANXA2_HUMAN P07355     
    E AHNK_HUMAN A1A586     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    1765   Membrane Raft Assembly  The Aggregation Arrangement and Bonding Together of a Set of Components to Form a Membrane Raft a Small (10 200 Nm) Heterogeneous Highly Dynamic Sterol and Sphingolipid Enriched Membrane Domains That Compartmentalizes Cellular Processes. 
    6900   Membrane Budding  The Evagination of a Membrane Resulting in Formation of a Vesicle. 
    32855   Positive Regulation of Rac Gtpase Activity  Any Process That Activates or Increases the Activity of a Gtpase of the Rac Family. 
    51099   Positive Regulation of Binding  Any Process That Activates or Increases the Rate or Extent of Binding the Selective Interaction of a Molecule with One or More Specific Sites On Another Molecule. 
    51290   Protein Heterotetramerization  The Formation of a Protein Heterotetramer a Macromolecular Structure Consisting of Four Noncovalently Associated Subunits of Which Not All Are Identical. 
    51496   Positive Regulation of Stress Fiber Assembly  Any Process That Activates or Increases the Frequency Rate or Extent of the Assembly of a Stress Fiber a Bundle of Microfilaments and Other Proteins Found in Fibroblasts. 
    51894   Positive Regulation of Focal Adhesion Assembly  Any Process That Activates or Increases the Frequency Rate or Extent of Focal Adhesion Assembly the Establishment and Maturation of Focal Adhesions. 
    71229   Cellular Response to Acid Chemical  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 Stimulus by the Chemical Structure of the Anion Portion of the Dissociated Acid (rather Than the Acid Acting As a Proton Donor). the Acid Chemical May Be in Gaseous Liquid or Solid Form. 
    90002   Establishment of Protein Localization to Plasma Membrane  The Directed Movement of a Protein to a Specific Location in the Plasma Membrane. 
    1900026   Positive Regulation of Substrate Adhesion Dependent Cell Spreading  Any Process That Activates or Increases the Frequency Rate or Extent of Substrate Adhesion Dependent Cell Spreading. 
    19897   Extrinsic Component of Plasma Membrane  The Component of a Plasma Membrane Consisting of Gene Products and Protein Complexes That Are Loosely Bound to One of Its Surfaces But Not Integrated Into the Hydrophobic Region. 
    45121   Membrane Raft  Any of the Small (10 200 Nm) Heterogeneous Highly Dynamic Sterol and Sphingolipid Enriched Membrane Domains That Compartmentalize Cellular Processes. Small Rafts Can Sometimes Be Stabilized to Form Larger Platforms Through Protein Protein and Protein Lipid Interactions. 
    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. 
    5509   Calcium Ion Binding  Interacting Selectively and Non Covalently with Calcium Ions (ca2+). 
    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). 
    8289   Lipid Binding  Interacting Selectively and Non Covalently with a Lipid. 
    42803   Protein Homodimerization Activity  Interacting Selectively and Non Covalently with an Identical Protein to Form a Homodimer. 
    44325   Ion Channel Binding  Interacting Selectively and Non Covalently with One or More Specific Sites On an Ion Channel a Protein Complex That Spans a Membrane and Forms a Water Filled Channel Across the Phospholipid Bilayer Allowing Selective Ion Transport Down Its Electrochemical Gradient. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Common Name Human
    Scientific Name Homo sapiens  
    Gene anx2lg, cal1l, clp11, s100a10
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)
    Host Vector Type Plasmid


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    1 1q21 6281     S100 calcium binding protein A10 S100A10    
    11 11q12.2 79026     AHNAK nucleoprotein AHNAK    
    15 15q22.2 302     annexin A2 ANXA2    

    Single Nucleotide Polymorphisms (from LS-SNP database)

    SNP ID LsSnp Link dbSNP Link Chain PDB position Amino acid changes Secondary structure Solvent Accessibility Chromosome Chromosome position Ligand
    rs148864594 LS-SNP   dbSNP   A 6 H - > Q Helix 46% (Exposed) 1 151958686
    rs146701614 LS-SNP   dbSNP   A 17 K - > R Helix 71% (Exposed) 1 151958654
    rs142923959 LS-SNP   dbSNP   A 59 D - > E Coil 15% (Intermediate) 1 151955753
    rs11542012 LS-SNP   dbSNP   A 76 A - > V Helix 0% (Buried) 1 151955703
    rs202176957 LS-SNP   dbSNP   C 3 T - > I Helix 27% (Intermediate) 15 60678267