From Structure to Function: A New Approach to Detect Functional Similarity among Proteins Independent from Sequence and Fold Homology.

Protein function is almost invariably linked with the specific recognition of substrates or endogenous ligands in particular binding pockets; proteins of related function should, therefore, share comparable recognition pockets. On the basis of this idea a new computer method has been developed to detect functional relationships among proteins, independent of a particular sequence or fold homology, in which the functionality of the residues is translated into simple physicochemical descriptors. By this method novel ligands in drug design can be suggested.

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