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  1. AAindex (View Publication)
    Full Name of the Resource : Physicochemical properties of amino acids
    Resource Category : Databases -> Protein Sequence Databases -> Protein Properties

    Brief Description : AAindex is a database of amino acid indices and amino acid mutation matrices. An amino acid index is a set of 20 numerical values representing various physicochemical and biochemical properties of amino acids. An amino acid mutation matrix is generally a 20 x 20 numerical values representing similarity of amino acids. AAindex consists of two sections: AAindex1 for the collection of published amino acid indices and AAindex2 for the collection of published amino acid mutation matrices. Each entry of either AAindex1 or AAindex2 consists of the definition, the reference information, a list of related entries in terms of the correlation coefficient, and the actual data. The database may be accessed through the DBGET/LinkDB system at GenomeNet ( or may be downloaded by anonymous FTP (
    Subject Area : Amino Acid Indices

    Institute/s :
    Bioinformatics Center, Institute for Chemical Research, Kyoto University
    Address of Institute/s :
    Bioinformatics Center, Institute for Chemical Research, Kyoto University
    Country : Japan

    Associated Institutes :

    • Laboratory of Genome Database, Human Genome Center, Institute of Medical Science, University of Tokyo, 4-6-1 Shirokane-dai Minato-ku Tokyo 108-8639, Japan
    • Institute of Informatics, Faculty of Mathematics, Informatics and Mechanics, Warsaw University, 02-097 Warsaw,Poland
    • Faculty of Geodesy and Cartography, Warsaw University of Technology, 00-661 Warsaw, Poland
    • Laboratory of Theory of Biopolymers, Faculty of Chemistry, Warsaw University, 02-093 Warsaw, Poland and 5Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan

    Associated Country : Japan; Poland

    Authors/Contributors : Shuichi Kawashima; Piotr Pokarowski; Maria Pokarowska; Andrzej Kolinski; Toshiaki Katayama; Minoru Kanehisa
    Contact Email :
    Year : 2007
    Language : English

    Keywords : Amino Acids / chemistry; Databases, Factual; Information Storage and Retrieval; Internet; Molecular Conformation; Mutation; Protein Structure, Secondary; Sequence Alignment; Sequence Homology, Amino Acid