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Crystal Structure of human ERp27
Biology and Chemistry Report
4F9Z
  •   Structure Details   Hide

    Structure Keywords

    Keywords PEPTIDE BINDING PROTEIN
    Text Thioredoxin fold, ER Foldase, ERp57, Endoplasmic reticulum, PEPTIDE BINDING PROTEIN

    Polymeric Molecules

    Chain A,B,C,D,E
    Description Endoplasmic reticulum resident protein 27 
    Fragment Tryptic fragment, UNP residues 29-269 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 25335.0 
    Source Method genetically manipulated  
    Entity Name ER protein 27, ERp27 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ACT  ACETATE ION  C2 H3 O2   59.04  View 
    PE3  3,6,9,12,15,18,21,24,27,30,33,36,39-TRIDECAOXAHENTETRACONTANE-1,41-DIOL  C28 H58 O15   634.75  View 
    PE4  2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL  C16 H34 O8   354.44  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D,E ERP27_HUMAN Q96DN0     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D,E
    GO ID   Ontology GO Term Definition
    6457   Protein Folding  The Process of Assisting in the Covalent and Noncovalent Assembly of Single Chain Polypeptides or Multisubunit Complexes Into the Correct Tertiary Structure. 
    34976   Response to Endoplasmic Reticulum Stress  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 Stress Acting At the Endoplasmic Reticulum. Er Stress Usually Results From the Accumulation of Unfolded or Misfolded Proteins in the Er Lumen. 
    5783   Endoplasmic Reticulum  The Irregular Network of Unit Membranes Visible Only by Electron Microscopy That Occurs in the Cytoplasm of Many Eukaryotic Cells. the Membranes Form a Complex Meshwork of Tubular Channels Which Are Often Expanded Into Slitlike Cavities Called Cisternae. the Er Takes Two Forms Rough (or Granular) with Ribosomes Adhering to the Outer Surface and Smooth (with No Ribosomes Attached). 
    5788   Endoplasmic Reticulum Lumen  The Volume Enclosed by the Membranes of the Endoplasmic Reticulum. 
    9986   Cell Surface  The External Part of the Cell Wall And/or Plasma Membrane. 
    3756   Protein Disulfide Isomerase Activity  Catalysis of the Rearrangement of Both Intrachain and Interchain Disulfide Bonds in Proteins. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C,D,E
    Common Name Human
    Scientific Name Homo sapiens  
    Gene c12orf46, erp27, unq781/pro1575
    Host Scientific Name Escherichia coli  
    Host Strain Bl21 De3 Ril
    Host Vector Type Plasmid
    Host Plasmid Name pET23


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    12 12p12.3 121506     endoplasmic reticulum protein 27 ERP27    

    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
    rs35030722 LS-SNP   dbSNP   D 52 F - > L Helix 18% (Intermediate) 12 15090927
    rs144033703 LS-SNP   dbSNP   D 93 S - > C Helix 68% (Exposed) 12 15087845
    rs146431229 LS-SNP   dbSNP   D 93 S - > T Helix 68% (Exposed) 12 15087846
    rs200839265 LS-SNP   dbSNP   D 109 F - > L Beta Ladder 5% (Buried) 12 15087798
    rs35042193 LS-SNP   dbSNP   D 122 E - > K Helix 61% (Exposed) 12 15073952
    rs149706342 LS-SNP   dbSNP   D 134 R - > C Helix 8% (Buried) 12 15073916
    rs200481421 LS-SNP   dbSNP   D 143 M - > L Bend 2% (Buried) 12 15073889
    rs201382185 LS-SNP   dbSNP   D 154 G - > A Helix 0% (Buried) 12 15070227
    rs200754170 LS-SNP   dbSNP   D 156 F - > L Helix 6% (Buried) 12 15070220
    rs199555914 LS-SNP   dbSNP   D 157 N - > K Helix 50% (Exposed) 12 15070217
    rs139573344 LS-SNP   dbSNP   D 159 V - > I Bend 71% (Exposed) 12 15070213
    rs79989395 LS-SNP   dbSNP   D 167 I - > M Beta Ladder 0% (Buried) 12 15070187
    rs202025820 LS-SNP   dbSNP   D 179 M - > T Helix 10% (Intermediate) 12 15070152
    rs199876317 LS-SNP   dbSNP   D 182 Y - > H Helix 0% (Buried) 12 15070144
    rs139858743 LS-SNP   dbSNP   D 191 G - > E Turn 51% (Exposed) 12 15070116
    rs147449076 LS-SNP   dbSNP   D 194 L - > H Beta Ladder 1% (Buried) 12 15068616
    rs139095683 LS-SNP   dbSNP   D 230 D - > N Coil 45% (Exposed) 12 15068509
    rs190312798 LS-SNP   dbSNP   D 236 P - > H Turn 38% (Exposed) 12 15068490