Figure 2: E-class for taxonomic and functional classification of an environmental sample. (A) The query form of E-class, involving the following 4 steps: 1) to input a sequence dataset or to upload a file in multi FASTA format; 2) to select a database of interest, e.g., the 16S rRNA database for prokaryote taxonomic classification; 3) to select an output style (as of now, depicting a pie chart or a bar chart); and 4) to select a taxonomic level when selecting rRNA as a database of interest. (B) An example of classification by E-class.