GHL1-GHL15: New families of the hypothetical glycoside hydrolases |
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Authors: | D. G. Naumoff |
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Affiliation: | 1.Winogradsky Institute of Microbiology,Russian Academy of Sciences,Moscow,Russia;2.State Institute for Genetics and Selection of Industrial Microorganisms,Moscow,Russia |
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Abstract: | The domains of 15 recently discovered families of the hypothetical glycoside hydrolases GHL1-GHL15 were used for iterative screening of the protein database. The evolutionary relationships between these families were revealed, as well as their relationship with the previously known families of protein domains: GH5, GH13, GH13-33, GH17, GH18, GH20, GH27, GH29, GH31, GH35, GH36A, GH36B, GH36C, GH36D, GH36E, GH36F, GH36G, GH36H, GH36J, GH36K, GH39, GH42, GH53, GH66, GH97, GH101, GH107, GH112, GH114, COG1082, COG1306, COG1649, COG2342, DUF3111, and PF00962. The unclassified homologues were grouped in 35 new families of the hypothetical glycoside hydrolases: GHL16-GHL50. The position of the families GHL1-GHL15 in the hierarchical classification of glycoside hydrolases and their homologues is discussed. Several new superfamilies of protein domains are proposed. |
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