HumanCyc plus Pathway Tools provides another set of options. HumanCyc has wellcurated content on human metabolic pathways. The associated Pathway Tools softwarewill let you paint gene expression, proteomics, or metabolomics data onto theHumanCyc pathway map, and Pathway Tools will also perform enrichment analysis.See BioCyc.org. The pathway painting is available through the web site,but to perform enrichment analysis you must download and install the software.