MetaFluxNet: the management of metabolic reaction information and quantitative metabolic flux analysis. PubMed. Lee, Dong-Yup; Yun, Hongsoek; Park, Sunwon; Lee, Sang Yup. 2003-11-01. MetaFluxNet is a program package for managing information on the metabolic reaction network and for quantitatively analyzing metabolic fluxes in an interactive and customized way.