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Crystal Structure of Unbound Beta-Secretase Catalytic Domain.
Biology and Chemistry Report
1SGZ
  •   Structure Details   Hide

    Structure Keywords

    Keywords hydrolase
    Text beta-secretase, memapsin, BACE, aspartic protease, protease flap, drug design, Asp2, Alzheimer's disease, hydrolase

    Polymeric Molecules

    Chain A,B,C,D
    Description Beta-secretase 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 43313.2 
    Source Method genetically manipulated  
    Entity Name Beta-site APP cleaving enzyme, Beta-site amyloid precursor protein cleaving enzyme, Aspartyl protease 2, Asp 2, ASP2, Membrane-associated aspartic protease 2, Memapsin-2 

     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A,B,C,D BACE1_HUMAN A0M8W7     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc Catalytic Site(s)
    A B C D  3.4.23.46        
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A,B,C,D
    GO ID   Ontology GO Term Definition
    6508   Proteolysis  The Hydrolysis of Proteins Into Smaller Polypeptides And/or Amino Acids by Cleavage of Their Peptide Bonds. 
    4190   Aspartic Type Endopeptidase Activity  Catalysis of the Hydrolysis of Internal Alpha Peptide Bonds in a Polypeptide Chain by a Mechanism in Which a Water Molecule Bound by the Side Chains of Aspartic Residues At the Active Center Acts As a Nucleophile. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A,B,C,D
    Common Name Human
    Scientific Name Homo sapiens  
    Genus Homo
    Gene bace, bace1
    Host Scientific Name Escherichia coli bl21  
    Host Genus Escherichia
    Host Species Escherichia Coli
    Host Strain Bl21
    Host Vector Type Plasmid
    Host Plasmid Name pET11a


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    11 11q23.2-q23.3 23621     beta-site APP-cleaving enzyme 1 BACE1    

    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
    rs17857093 LS-SNP   dbSNP   A 57 S - > F Coil 8% (Buried) 11 117166061
    rs138138981 LS-SNP   dbSNP   A 61 R - > Q Beta Ladder 16% (Intermediate) 11 117166049
    rs200733909 LS-SNP   dbSNP   A 64 R - > W Beta Ladder 38% (Exposed) 11 117166041
    rs151257620 LS-SNP   dbSNP   A 88 P - > T Turn 32% (Intermediate) 11 117165969
    rs200695125 LS-SNP   dbSNP   A 171 G - > R Coil 2% (Buried) 11 117164598
    rs201550686 LS-SNP   dbSNP   A 182 S - > W 3/10 Helix 61% (Exposed) 11 117163882
    rs145565779 LS-SNP   dbSNP   A 202 I - > V Coil 8% (Buried) 11 117163823
    rs28989503 LS-SNP   dbSNP   A 204 V - > A Beta Ladder 10% (Intermediate) 11 117163816
    rs140050693 LS-SNP   dbSNP   A 211 Q - > H Beta Ladder 70% (Exposed) 11 117163794
    rs149860623 LS-SNP   dbSNP   A 274 T - > S Coil 55% (Exposed) 11 117161704
    rs139977300 LS-SNP   dbSNP   A 328 S - > P Bend 90% (Exposed) 11 117161303