Evidence for indole-3-acetic acid binding site in plant peroxidases. Structural similarity between peroxidases and auxin-binding proteinsстатья
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Дата последнего поиска статьи во внешних источниках: 12 октября 2013 г.
Местоположение издательства:Road Town, United Kingdom
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Аннотация:Application of computer methods allowed us to demonstrate that plant peroxidases and auxin-binding proteins contain structurally similar fragments. The mapping of the fragments was done using a model structure of horseradish peroxidase. Five of six structurally similar fragments belong to the distal domain and form a subdomain in plant peroxidases that includes the distal heme-coordinating sequence, LHFHDC (amino acid residues 39-44 in horseradish peroxidase). The existence of a substrate-binding site for indole-3-acetic acid in the distal subdomain comprising helices A (whole), B (middle), C (beginning), and D (whole) and the loop between helices D and D' is discussed.