Dear BRENDA USER, we would like to further improve the BRENDA enzyme information system query system and contents. Please take 1-2 minutes for a simple 11 question survey. We would really appreciate your help.

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Survey
1. What is your main research interest? enzymology metabolomics pharmacology drug design protein function disease-related enzyme function	Several answers are possible.
2. For my research the BRENDA database is: Please choose one option: essential important nice to have not important
3. The entrance page is: Please choose one option: good as it is too complex Should be improved by:
4. The result pages are: Please choose one option: good as they are too complex Should be improved by:
5. Do you miss enzyme-specific information in BRENDA? Please choose one option: no yes:
6. How do you usually search in BRENDA? search for EC number search for an enzyme name search for a ligand search for an organism search for specific values search for specific parameters others:	Several answers are possible.
7. Do you think BRENDA is easy to navigate? Please choose one option: user-friendly the tutorials are a great help needs to be improved (Suggestions:)
8. Do you wish more specific links to other databases or database content included into BRENDA? Please choose one option: no yes:
9. Do you use the following search options? Quick search on main page Full text search (in all fields and comments) Advanced search with several criteria Substructure search Taxonomy tree explorer EC-number explorer Sequence search Genome explorer Ontology explorer	Several answers are possible.
10. Are there any changes to the search browser that you would like to see?
11. Is there a particular enzyme or enzyme family you would like to see more comprehensively annotated?

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