CTD Chemical page for bisphenol A. CTD uses tabs to organize data. The Basic Information tab provides names, synonyms, identification numbers, structures, a graph of the top 10 interacting genes and the chemical hierarchy. The Gene tab shows all 455 genes that interact with bisphenol A, the number of curated interactions between the chemical and gene, and the number of unique organisms for which an interaction has been curated. The Interactions tab displays the 655 detailed molecular interactions between bisphenol A and those 455 genes. The table is divided into columns for Interacting Chemical, Interacting Gene, Organism, Interaction and Reference. Columns can be sorted by clicking on their headers. All chemicals, genes, interactions, references and diseases (data not shown) are hyperlinked to their respective CTD pages, allowing the user to navigate integrated data. Complete data pages can be downloaded and saved as CSV, XML or TSV files onto the user's desktop by using the ‘Save to File’ function at the bottom of the page. The keyword search box is seen in the upper right corner of the bisphenol A Chemical page.