Figure 2

Screenshot of the Meta-All Web-Interface. The Web-Interface is divided into several parts, which correspond with the main parts of the database schema as described in Fig. 1. There are tabs for substances, locations, conversions, pathways and the management of versions and publications. These tabs open sub-pages each with several items belonging to the particular part of the schema. a) shows an input form for inserting data about metabolites, and b) is a simple report listing enzymes. c) is showing taxonomy information of the organisms stored in the demo instance of META-ALL, and d) shows a step from a wizard for browsing top-down through a pathway. On the left side, there is a select list for choosing one of the substances listed in the report on the right side. These substances belong to a conversion selected in the previous step. By clicking on the "next"-button, details of the chosen substance will be shown.