Bio4j, a graph based database for biological data, based on Neo4j technology, it provides completely new and powerful framework for protein related information querying and management.
Here is the Slideshare document for Bio4j presentation “Graph Database in Life Science” by pablo_pareja.
Here is the forum discuss information about Neo4j for Biotech.
https://groups.google.com/forum/?fromgroups=#!topic/neo4j-biotech/ErhJwb6A3Qk
