Enter the enzyme commission number and query molecule to predict possible products, or choose an example from below.


Substrate ()

Molecule drawings are interactive. Hover to zoom in, zoom out, or download the molecule. Drag to view more of the structure.

Products ( total)


We hope you found this tool useful. If you use PROXIMAL, please cite the following paper:

Since its debut, PROXIMAL has been featured in a number of other publications, including:


If you have any suggestions or comments regarding this tool, don't hesitate to reach out. Your feedback will be much appreciated!

Soha Hassoun

Department of Computer Science,
Department of Chemical & Biological Engineering,
Department of Electrical & Computer Engineering
Tufts University
soha (at) cs.tufts.edu

Copyright (C) 2020 Hassoun Lab

Halligan Hall
161 College Ave
Medford, MA 02155