Resource URL Brief description and reference Bionumbers www.bionumbers.org Repository of enzymatic data BRENDA http://www.brenda-enzymes.info/ Database that contains the details of almost 80,000 different enzyme catalysed reactions KEGG http://www.genome.jp/kegg/ A resource that archives genomic, chemical and pathway data. It also contains links to various external databases [110] MIPSMPPI http://mips.helmholtz-muenchen.de/proj/ppi/ A Protein-Protein Interaction database that archives data from PPI obtained from experiments. Reactome http://www.reactome.org/ReactomeGWT/entrypoint.html A pathway database Pathway Browser based on an SBGN visualization system that allows users to view and analyse pathways in detail [111] SABIO-RK http://sabio.h-its.org/ A web-accessible database which stores kinetic parameters measured under defined assay conditions

Table 4: Partial List of kinetic, pathway and protein resources to facilitate model building.