As a member of the ww PDB, the RCSB PDB curates and annotates PDB data. The RCSB PDB builds upon the data by creating tools and resources for research and education in molecular biology, structural biology, computational biology, and beyond. Chloroquine lysosome disruption Aralen generico As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists. Chloroquine is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects. Certain types of malaria, resistant strains, and complicated cases typically require different or additional medication. Chloroquine is a member of the drug class 4-aminoquinoline. In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material. Ordered structures occur from the intrinsic nature of the constituent particles to form symmetric patterns that repeat along the principal directions of three-dimensional space in matter. Easily interpretable summary information that compares the quality of a model with that of other models in the archive will help users of PDB data to critically assess archived entries and to select the most appropriate structural models for their needs. Validation reports contain an assessment of the quality of a structure and highlight specific concerns by considering the coordinates of the model, the experimental data and the fit between the two. Chloroquine crystal structure Redetermination of the crystal and molecular structure of the., Chloroquine C18H26ClN3 ChemSpider Chloroquine diphophate saltPuckering of tongue plaquenilPlaquenil oral side effects Chloroquine has a high affinity for tissues of the parasite and is concentrated in its cytoplasm. As a weak base, it increases the pH of the intracellular lysosome and endosome. A more acidic medium in these organelles is needed for the parasite to affect mammalian cells. As a result, chloroquine inhibits growth and development of parasites. Chloroquine - an overview ScienceDirect Topics. Crystal structure - Wikipedia. The antimalarial drugs quinine, chloroquine and mefloquine.. Chloroquine binds to heme or FP to form what is known as the FP-Chloroquine complex; this complex is highly toxic to the cell and disrupts membrane function. Action of the toxic FP-Chloroquine and FP results in cell lysis and ultimately parasite cell autodigestion. Chloroquine cause a change in NQO2 conformation. Conclusion NQO2 functions as a chloroquine-dependent flavin redox switch. Significance A flavin redox switch function of NQO2 could explain off-target effects of chloroquine and other bioactive molecules. SUMMARY Quinone reductase 2 NQO2 is an FAD-linked enzyme and the only known human Unless otherwise noted, the contents of the FDA website gov, both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA.