Sequence features related to functional sites are derived from the respective UniProtKB annotations and are displayed in LCR-eXXXplorer as color boxes for

• Active site
• Metal binding
• Binding site
• Site

At low zoom, the labels describing features close to the C-terminal part of the proteins may appear truncated. To overcome this GBrowse limitation the users are advised to zoom into the region containing the respective features.

For relevant definitions you may consult the UniProtKB documentation at http://www.uniprot.org/help/sequence_annotation.