An Information Portal to 109274 Biological Macromolecular Structures

Crystal structures of the LsrR proteins complexed with phospho-AI-2 and its two different analogs reveal distinct mechanisms for ligand recognition
Biology and Chemistry Report
  •   Structure Details   Hide

    Structure Keywords

    Text DNA transcriptional regulator, Phospho-AI-2 binding, DNA binding, TRANSCRIPTION REGULATOR, removed helix-turn-helix domain, SorC/DeoR family

    Polymeric Molecules

    Chain A,B
    Description Transcriptional regulator LsrR 
    Fragment UNP residues 53-317 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 27924.3 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    HSX  5-O-phosphono-alpha-D-ribofuranose  C5 H11 O8 P   230.11  View 
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B LSRR_ECOLI P76141     

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B
    GO ID   Ontology GO Term Definition
    30246   Carbohydrate Binding  Interacting Selectively and Non Covalently with Any Carbohydrate Which Includes Monosaccharides Oligosaccharides and Polysaccharides As Well As Substances Derived From Monosaccharides by Reduction of the Carbonyl Group (alditols) by Oxidation of One or More Hydroxy Groups to Afford the Corresponding Aldehydes Ketones or Carboxylic Acids or by Replacement of One or More Hydroxy Group(s) by a Hydrogen Atom. Cyclitols Are Generally Not Regarded As Carbohydrates. 

  •   Gene Details   Hide

    Genetic Source

    Chain A,B
    Scientific Name Escherichia coli  
    Strain K-12
    Gene lsrr, ydew, b1512, jw1505
    Host Scientific Name Escherichia coli