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HUMAN SALIVARY AMYLASE
Biology and Chemistry Report
1SMD
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE (O-GLYCOSYL)
    Text HYDROLASE, O-GLYCOSYL, CARBOHYDRATE METABOLISM, HYDROLASE (O-GLYCOSYL)

    Polymeric Molecules

    Chain A
    Description AMYLASE 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 55955.8 
    Source Method natural source  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    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 AMY1_HUMAN A6NJS5     

    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)
    3.2.1.1        
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    5975   Carbohydrate Metabolic Process  The Chemical Reactions and Pathways Involving Carbohydrates Any of a Group of Organic Compounds Based of the General Formula Cx(h2o)y. Includes the Formation of Carbohydrate Derivatives by the Addition of a Carbohydrate Residue to Another Molecule. 
    8152   Metabolic Process  The Chemical Reactions and Pathways Including Anabolism and Catabolism by Which Living Organisms Transform Chemical Substances. Metabolic Processes Typically Transform Small Molecules But Also Include Macromolecular Processes Such As DNA Repair and Replication and Protein Synthesis and Degradation. 
    5576   Extracellular Region  The Space External to the Outermost Structure of a Cell. For Cells Without External Protective or External Encapsulating Structures This Refers to Space Outside of the Plasma Membrane. This Term Covers the Host Cell Environment Outside an Intracellular Parasite. 
    5515   Protein Binding  Interacting Selectively and Non Covalently with Any Protein or Protein Complex (a Complex of Two or More Proteins That May Include Other Nonprotein Molecules). 
    16787   Hydrolase Activity  Catalysis of the Hydrolysis of Various Bonds E.g. C O C N C C Phosphoric Anhydride Bonds Etc. Hydrolase Is the Systematic Name For Any Enzyme of EC Class 3. 
    16798   Hydrolase Activity Acting On Glycosyl Bonds  Catalysis of the Hydrolysis of Any Glycosyl Bond. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 


     
  •   Gene Details   Hide

    Natural Source

    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Genus Homo
    Secretion Parotid Saliva

    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    1 1p21 276     amylase, alpha 1A (salivary) AMY1A    
    1 1p21 277     amylase, alpha 1B (salivary) AMY1B    
    1 1p21 278     amylase, alpha 1C (salivary) AMY1C    

    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
    rs199942481 LS-SNP   dbSNP   A 67 Y - > C Bend 13% (Intermediate) 1 104237672
    rs1065573 LS-SNP   dbSNP   A 103 C - > S Beta Ladder 0% (Buried) 1 104294592
    rs457660 LS-SNP   dbSNP   A 110 G - > R Beta 24% (Intermediate) 1 104294612
    rs455341 LS-SNP   dbSNP   A 113 S - > T Beta 9% (Intermediate) 1 104294622
    rs458094 LS-SNP   dbSNP   A 126 F - > S Beta 0% (Buried) 1 104294661
    rs145706272 LS-SNP   dbSNP   A 279 N - > K 3/10 Helix 55% (Exposed) 1 104297124
    rs1143399 LS-SNP   dbSNP   A 287 M - > V Coil 5% (Buried) 1 104297146
    rs201967863 LS-SNP   dbSNP   A 292 A - > V Beta Ladder 0% (Buried) 1 104297162
    rs201627077 LS-SNP   dbSNP   A 292 A - > V Beta Ladder 0% (Buried) 1 104234191
    rs201288184 LS-SNP   dbSNP   A 292 A - > V Beta Ladder 0% (Buried) 1 104203023
    rs150405191 LS-SNP   dbSNP   A 298 N - > I Coil 0% (Buried) 1 104203041 CL
    rs200267405 LS-SNP   dbSNP   A 298 N - > I Coil 0% (Buried) 1 104297180 CL
    rs200943670 LS-SNP   dbSNP   A 298 N - > I Coil 0% (Buried) 1 104234173 CL
    rs138172355 LS-SNP   dbSNP   A 302 Q - > R 3/10 Helix 3% (Buried) 1 104203053
    rs140294416 LS-SNP   dbSNP   A 307 A - > T Bend 14% (Intermediate) 1 104234147
    rs139911862 LS-SNP   dbSNP   A 307 A - > T Bend 14% (Intermediate) 1 104297206
    rs148012504 LS-SNP   dbSNP   A 307 A - > V Bend 14% (Intermediate) 1 104234146
    rs145792361 LS-SNP   dbSNP   A 313 L - > V Coil 0% (Buried) 1 104297224
    rs144288724 LS-SNP   dbSNP   A 318 A - > T Helix 36% (Intermediate) 1 104297239
    rs151305578 LS-SNP   dbSNP   A 335 F - > Y Beta Ladder 12% (Intermediate) 1 104297384
    rs201439993 LS-SNP   dbSNP   A 335 F - > Y Beta Ladder 12% (Intermediate) 1 104203246
    rs200669082 LS-SNP   dbSNP   A 335 F - > Y Beta Ladder 12% (Intermediate) 1 104233968
    rs1130744 LS-SNP   dbSNP   A 347 Y - > H Coil 58% (Exposed) 1 104297419
    rs1130747 LS-SNP   dbSNP   A 349 E - > Q Bend 64% (Exposed) 1 104297425
    rs1130759 LS-SNP   dbSNP   A 352 K - > N Bend 54% (Exposed) 1 104233916
    rs552093 LS-SNP   dbSNP   A 363 D - > N Beta Ladder 63% (Exposed) 1 104299447
    rs558014 LS-SNP   dbSNP   A 367 T - > I Beta Ladder 5% (Buried) 1 104299460
    rs17356424 LS-SNP   dbSNP   A 396 N - > I Helix 27% (Intermediate) 1 104299657