Abstract: The present disclosure describes the engineering of microbial cells for fermentative production of 4-APEA and related products and provides novel engineered microbial cells and cultures, as well as related 4-APEA production methods.

Abstract: Systems, methods, and non-transitory computer-readable media are described for identifying candidate biological sequences for screening to determine whether the candidate biological sequences enable a biological function. Identification may be based upon (a) degrees of similarity between test sequences and reference sequences that are known to enable the function, and (b) comparisons of regions in the test sequences to reference regions that are known to bind to a molecule. Identification may also be based upon determining sequence similarities between reference sequences, grouping the reference sequences into clusters that each correspond to a molecule that is indicated as capable of being bound by a reference sequence in the cluster, and identifying matching test sequences based upon a comparison of the test sequences with reference sequences in the clusters.