iHOP - Information Hyperlinked over Proteins

 

>> iHOP uses genes and proteins as hyperlinks between PubMed abstracts.

>> It offers access to the underlying literature by means of a network of concurring genes and proteins.

>> Users access the information by searching for gene names. "

>> The network [..] contains half a million sentences and 30,000 different genes from humans, mice, D. melanogaster, C. elegans, zebrafish, Arabidopsis thaliana, yeast and Escherichia coli."

Reference 

A Gene Network for Navigating the Literature. Hoffmann, R., Valencia, A. Nature Genetics 36, 664 (2004) and
- iHOP