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CRYSTAL STRUCTURE OF SOCS-2 IN COMPLEX WITH ELONGIN-B AND ELONGIN-C AT 1.9A RESOLUTION
Biology and Chemistry Report
2C9W
  •   Structure Details   Hide

    Structure Keywords

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

    Polymeric Molecules

    Chain A
    Description SUPPRESSOR OF CYTOKINE SIGNALING 2 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 19273.4 
    Source Method genetically manipulated  
    Entity Name HUMAN SOCS2, SOCS-2, CYTOKINE-INDUCIBLE SH2 PROTEIN 2, CIS-2, STAT-INDUCED STAT INHIBITOR 2, SSI-2 
    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 HUMAN ELONGIN B, 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 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 10974.7 
    Source Method genetically manipulated  
    Entity Name HUMAN ELONGIN C, 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
    NI  NICKEL (II) ION  Ni   58.69  View 
    SO4  SULFATE ION  O4 S   96.06  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A SOCS2_HUMAN A8K3D1     
    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  


    Chain B
    Common Name Human
    Scientific Name Homo sapiens  
    Host Scientific Name Escherichia coli  


    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    
    12 12q 8835     suppressor of cytokine signaling 2 SOCS2    
    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
    rs201377221 LS-SNP   dbSNP   A 47 G - > V Bend 26% (Intermediate) 12 93968498
    rs3741676 LS-SNP   dbSNP   A 52 S - > N Turn 80% (Exposed) 12 93968513
    rs148346233 LS-SNP   dbSNP   A 76 S - > L Coil 76% (Exposed) 12 93968585
    rs142112015 LS-SNP   dbSNP   A 158 T - > KR Bend 47% (Exposed) 12 93968831
    rs186564713 LS-SNP   dbSNP   A 170 T - > S Helix 10% (Intermediate) 12 93968866
    rs150871727 LS-SNP   dbSNP   A 173 K - > E Helix 65% (Exposed) 12 93968875
    rs139375613 LS-SNP   dbSNP   A 176 G - > S Bend 74% (Exposed) 12 93968884
    rs148522364 LS-SNP   dbSNP   B 8 R - > Q Beta Ladder 9% (Buried) 16 2827109
    rs11552267 LS-SNP   dbSNP   B 23 T - > R Beta 24% (Intermediate) 16 2827064
    rs149340862 LS-SNP   dbSNP   B 35 L - > F Helix 28% (Intermediate) 16 2827029
    rs76369032 LS-SNP   dbSNP   B 45 Y - > D Beta Ladder 13% (Intermediate) 16 2826999
    rs1804323 LS-SNP   dbSNP   B 52 D - > E Coil 66% (Exposed) 16 2825540
    rs138732435 LS-SNP   dbSNP   B 54 G - > S Turn 79% (Exposed) 16 2825536
    rs146145908 LS-SNP   dbSNP   B 66 T - > A Turn 54% (Exposed) 16 2825500
    rs41496149 LS-SNP   dbSNP   C 61 N - > D Beta Ladder 61% (Exposed) 8 74859023
    rs11553730 LS-SNP   dbSNP   C 66 P - > H Coil 18% (Intermediate) 8 74859007
    rs201996089 LS-SNP   dbSNP   C 96 A - > G Coil 42% (Exposed) 8 74858917
    rs1060663 LS-SNP   dbSNP   C 98 E - > Q Helix 46% (Exposed) 8 74858912