ST. LOUIS--(BUSINESS WIRE)--Tripos, Inc. (Nasdaq:TRPS), a leading provider of drug discovery informatics products and services and chemistry research, today announced the release of Surflex-Sim™, a fully automatic, flexible molecular alignment algorithm, integrated with SYBYL®, Tripos’ molecular modeling environment. Surflex-Sim provides a significant leap forward in biological similarity modeling, rapidly optimizing the pose of query molecules to evaluate their three-dimensional similarity to a known active compound.