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Crystal structure of PorB from Neisseria meningitidis in complex with cesium ion, space group H32
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text Beta-barrel, porin, channel, outer membrane protein, MEMBRANE PROTEIN

    Polymeric Molecules

    Chain X
    Description Outer membrane protein 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 38179.7 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CS  CESIUM ION  Cs   132.91  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain X
    GO ID   Ontology GO Term Definition
    6810   Transport  The Directed Movement of Substances (such As Macromolecules Small Molecules Ions) Into Out of or Within a Cell or Between Cells or Within a Multicellular Organism by Means of Some Agent Such As a Transporter or Pore. 
    16020   Membrane  A Lipid Bilayer Along with All the Proteins and Protein Complexes Embedded in It an Attached to It. 
    15288   Porin Activity  Catalysis of the Transfer of Substances Sized Less Than 1000 Da From One Side of the Membrane to the Other. the Transmembrane Portions of Porins Consist Exclusively of Beta Strands Which Form a Beta Barrel. They Are Found in the Outer Membranes of Gram Negative Bacteria Mitochondria Plastids and Possibly Acid Fast Gram Positive Bacteria. 

  •   Gene Details   Hide

    Genetic Source

    Chain X
    Scientific Name Neisseria meningitidis  
    Strain W135
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)
    Host Vector Type Plasmid
    Host Plasmid Name pET21b