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CRYSTAL STRUCTURE OF SOCS-4 IN COMPLEX WITH ELONGIN-B AND ELONGIN-C AT 2.55A RESOLUTION
Biology and Chemistry Report
2IZV
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSCRIPTION
    Text SIGNAL TRANSDUCTION INHIBITOR, GROWTH REGULATION, SIGNAL TRANSDUCTION, SH2 DOMAIN, TRANSCRIPTION, NUCLEAR PROTEIN, UBL CONJUGATION PATHWAY, TRANSCRIPTION REGULATION

    Polymeric Molecules

    Chain A
    Description SUPPRESSOR OF CYTOKINE SIGNALING 4 
    Fragment RESIDUES 274-437 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 21736.8 
    Source Method genetically manipulated  
    Entity Name SOCS-4 ELONGIN B, C COMPLEX, SOCS-4, SOCS-7, SUPPRESSOR OF CYTOKINE SIGNALING 7 
    Chain B
    Description TRANSCRIPTION ELONGATION FACTOR B POLYPEPTIDE 2 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 13147.9 
    Source Method genetically manipulated  
    Entity Name RNA POLYMERASE II TRANSCRIPTION FACTOR SIII SUBUNIT B, SIII P18, ELONGIN B, ELOB, ELONGIN 18 KDA SUBUNIT 
    Chain C
    Description TRANSCRIPTION ELONGATION FACTOR B POLYPEPTIDE 1 
    Fragment RESIDUES 17-112 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 10974.7 
    Source Method genetically manipulated  
    Entity Name RNA POLYMERASE II TRANSCRIPTION FACTOR SIII SUBUNIT C, SIII P15, ELONGIN-C, ELOC, ELONGIN 15 KDA SUBUNIT 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CL  CHLORIDE ION  Cl   35.45  View 
    EDO  1,2-ETHANEDIOL  C2 H6 O2   62.07  View 
    NA  SODIUM ION  Na   22.99  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A SOCS4_HUMAN Q8WXH5     
    B ELOB_HUMAN B7WPD3     
    C ELOC_HUMAN E5RGD9     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain B
    GO ID   Ontology GO Term Definition
    6351   Transcription DNA Templated  The Cellular Synthesis of RNA On a Template of Dna. 
    6355   Regulation of Transcription DNA Templated  Any Process That Modulates the Frequency Rate or Extent of Cellular DNA Templated Transcription. 
    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. 
    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). 


     
  •   Gene Details   Hide

    Genetic Source

    Chain C
    Common Name Human
    Scientific Name Homo sapiens  
    Host Scientific Name Escherichia coli  
    Host Cell Line Bl21(de3) R3
    Host Vector P11


    Chain B
    Common Name Human
    Scientific Name Homo sapiens  
    Host Scientific Name Escherichia coli  
    Host Cell Line Bl21(de3) R3
    Host Vector P11


    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Host Scientific Name Escherichia coli  
    Host Cell Line Bl21(de3) R3
    Host Vector P11


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    8 8q21.11 6921     transcription elongation factor B (SIII), polypeptide 1 (15kDa, elongin C) TCEB1    
    14 14q22.1 122809     suppressor of cytokine signaling 4 SOCS4    
    16 16p12.3 6923     transcription elongation factor B (SIII), polypeptide 2 (18kDa, elongin B) TCEB2    

    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
    rs116819699 LS-SNP   dbSNP   A 282 N - > S Helix 8% (Buried) 14 55510604
    rs202122469 LS-SNP   dbSNP   A 328 S - > N Turn 62% (Exposed) 14 55510742
    rs115105527 LS-SNP   dbSNP   A 336 E - > G Beta Ladder 14% (Intermediate) 14 55510766
    rs140153508 LS-SNP   dbSNP   A 344 F - > S Bend 16% (Intermediate) 14 55510790
    rs139444469 LS-SNP   dbSNP   A 382 I - > V Coil 33% (Intermediate) 14 55510903
    rs200297224 LS-SNP   dbSNP   A 404 D - > G Helix 79% (Exposed) 14 55510970
    rs115447566 LS-SNP   dbSNP   A 413 S - > P Helix 69% (Exposed) 14 55510996
    rs148522364 LS-SNP   dbSNP   B 8 R - > Q Beta Ladder 9% (Intermediate) 16 2827109
    rs11552267 LS-SNP   dbSNP   B 23 T - > R Beta 23% (Intermediate) 16 2827064
    rs149340862 LS-SNP   dbSNP   B 35 L - > F Helix 30% (Intermediate) 16 2827029
    rs76369032 LS-SNP   dbSNP   B 45 Y - > D Beta Ladder 12% (Intermediate) 16 2826999
    rs1804323 LS-SNP   dbSNP   B 52 D - > E Coil 55% (Exposed) 16 2825540
    rs138732435 LS-SNP   dbSNP   B 54 G - > S Turn 69% (Exposed) 16 2825536
    rs146145908 LS-SNP   dbSNP   B 66 T - > A Turn 45% (Exposed) 16 2825500
    rs41496149 LS-SNP   dbSNP   C 61 N - > D Beta Ladder 64% (Exposed) 8 74859023
    rs11553730 LS-SNP   dbSNP   C 66 P - > H Coil 19% (Intermediate) 8 74859007
    rs201996089 LS-SNP   dbSNP   C 96 A - > G Coil 44% (Exposed) 8 74858917
    rs1060663 LS-SNP   dbSNP   C 98 E - > Q Helix 48% (Exposed) 8 74858912