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Molecular Biology Databases - CNB - Protein Design Group

Molecular Biology Databases - CNB - Protein Design Group

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DATABASE SEARCHES:QUERY TYPESQUERIES by CONTENTFor example, in the case of a sequence database, we may be asking:Does a sequence exactly like:LLLIHRLHor similar to it, exists in the database?Because biological sequences change along time, or between individuals,this type of search is not a matter of finding exact matches in strings ofcharacters. On the contrary, it must consider the principles of molecularevolution.A number of algorithms have been developed to cope with that task, andBLAST is the most popular.

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