The de.NBI/CIBI KNIME extension contains useful nodes and im- and exporters for working with life science data repositories. This includes nodes for downloading data from repositories such as PubChem, PRIDE and Peptide atlas, as well as menu extensions for importing and exporting workflows from/to myexperiment.org.
Extension 
de.NBI - CIBI Extension
Included nodes & related workflows
Legal
Copyright by CIBI, Germany
Update site information
KNIME Community Extensions (Experimental), Version 4.3.0
http://update.knime.com/community-contributions/4.3
In case you can’t install the extension via drag & drop, please check that the update site is activated.