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An Information Portal to 105025 Biological Macromolecular Structures

Structure-activity relationship guides enantiomeric preference among potent inhibitors of B. anthracis dihydrofolate reductase
Biology and Chemistry Report
4ELH
  •   Structure Details   Hide

    Structure Keywords

    Keywords OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
    Text dihydrofolate reductase, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex

    Polymeric Molecules

    Chain A,B,C,D,E,F,G,H
    Description Dihydrofolate reductase 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 19615.6 
    Source Method genetically manipulated  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    53I  (2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]-2,3-dimethoxyphenyl}-1-[(1R)-1-(2-methylprop-1-en-1-yl)phthalazin-2(1H)-yl]prop-2-en-1-one  C28 H30 N6 O3   498.58  View 
    53J  (2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]-2,3-dimethoxyphenyl}-1-[(1S)-1-(2-methylprop-1-en-1-yl)phthalazin-2(1H)-yl]prop-2-en-1-one  C28 H30 N6 O3   498.58  View 
    CA  CALCIUM ION  Ca   40.08  View 
    CL  CHLORIDE ION  Cl   35.45  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D,E,F,G,H Q81R22_BACAN E9R6R2     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    A B C D E F G H  1.5.1.3      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D,E,F,G,H
    GO ID   Ontology GO Term Definition
    6545   Glycine Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Glycine Aminoethanoic Acid. 
    6730   One Carbon Metabolic Process  The Chemical Reactions and Pathways Involving the Transfer of One Carbon Units in Various Oxidation States. 
    9165   Nucleotide Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Nucleotides Any Nucleoside That Is Esterified with (ortho)phosphate or an Oligophosphate At Any Hydroxyl Group On the Glycose Moiety; May Be Mono Di or Triphosphate; This Definition Includes Cyclic Nucleotides (nucleoside Cyclic Phosphates). 
    46654   Tetrahydrofolate Biosynthetic Process  The Chemical Reactions and Pathways Resulting in the Formation of Tetrahydrofolate 5 6 7 8 Tetrahydrofolic Acid a Folate Derivative Bearing Additional Hydrogens On the Pterin Group. 
    55114   Oxidation Reduction Process  A Metabolic Process That Results in the Removal or Addition of One or More Electrons to or From a Substance with or Without the Concomitant Removal or Addition of a Proton or Protons. 
    166   Nucleotide Binding  Interacting Selectively and Non Covalently with a Nucleotide Any Compound Consisting of a Nucleoside That Is Esterified with (ortho)phosphate or an Oligophosphate At Any Hydroxyl Group On the Ribose or Deoxyribose. 
    4146   Dihydrofolate Reductase Activity  Catalysis of the Reaction: 5 6 7 8 Tetrahydrofolate + Nadp+ = 7 8 Dihydrofolate + Nadph + H+. 
    16491   Oxidoreductase Activity  Catalysis of an Oxidation Reduction (redox) Reaction a Reversible Chemical Reaction in Which the Oxidation State of an Atom or Atoms Within a Molecule Is Altered. One Substrate Acts As a Hydrogen or Electron Donor and Becomes Oxidized While the Other Acts As Hydrogen or Electron Acceptor and Becomes Reduced. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 
    50661   Nadp Binding  Interacting Selectively and Non Covalently with Nicotinamide Adenine Dinucleotide Phosphate a Coenzyme Involved in Many Redox and Biosynthetic Reactions; Binding May Be to Either the Oxidized Form Nadp+ or the Reduced Form Nadph. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C,D,E,F,G,H
    Common Name Anthrax Anthrax Bacterium
    Scientific Name Bacillus anthracis  
    Strain STERNE
    Details A Thrombin Cut Site Was Engineered Between the C Terminus and the 6 X His Tag
    Gene bas2083, ba_2237, dfra, dhfr, gbaa_2237
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3)plyss
    Host Vector Type Plasmid
    Host Plasmid Name pCR-T7