The topology level clusters structures according to their toplogical connections and numbers of secondary structures. The homologous superfamilies cluster proteins with highly similar structures and functions. The information deposited there can be a bit overwhelming for the beginner. We aim to improve fingerprint potency, to enhance predictive power in the Twilight Zone. Very useful to have Java enabled when visiting this site.
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With a quizz. Data might be a bit complexe for the beginner. . Update on what is known of channels.