Abstract:The fraction of sp3 hybridised carbons (Fsp3) and the fraction of stereogenic carbons (FCstereo) are two widely employed scores of molecular complexity with a strong link to biologically relevant features such as frequency, potency and selectivity of protein binding. However, due to their simplistic nature, they do not comprehensively express molecular topology and they often do not match the chemical intuition of complexity. We propose the spacial score (SPS) as an empirical scoring system that builds upon th… Show more
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