I wonder how can we utilise the result from microbiome analysis into functional cluster grouping by ability to produce enzymes, secondary metabolites and etc. For example, soil microbiome analysis of A area show a variety of microorganisms represented as OTU (species and relative abundance %). Each of microbial species are categorized into functional group that contribute to soil fertility e.g. N fixation, cellulose degradation, K solubilization and etc. Is there any tools or database to do that?