prePPI

OnTheFly

DNA-binding specificities of transcription factors in Drosophila

TCSBN

PDZBase

Protein-protein interactions involving PDZ domains

BioCarta Pathways

Online maps of metabolic and signaling pathways

InterDom

Putative protein domain interactions

TRIP

Protein-protein interactions for mammalian TRP channels

Dockground

Protein-protein interfaces in co-crystallized protein structures

Protein-protein interfaces

Interacting residues in protein-protein interfaces in PDB

PIG - Pathogen Interaction Gateway

Host-pathogen protein-protein interactions

3D-Interologs

Protein-protein interactions in various evolutionary lineages

Human Protein-Protein Interaction rEference

HIPPIE integrates human protein-protein interactions from several manually curated source databases. It provides a web tool to query the interaction data, generate highly reliable, context-specific in ...

SynSysNet

A database on the structural synaptome

NetworKIN

Network approach to human protein kinases and their substrate proteins

JET2 Viewer

Joint Evolutionary Trees: Protein-protein interaction patches in known structures

Binding MOAD

Binding Mother of All Databases: a database of protein-ligand crystal structures

Inter-Chain Beta-Sheets

Protein-protein interactions mediated by interchain beta-sheet formation

PepCyber:P~Pep

Human protein interactions mediated by phosphoprotein-binding domains

The Complex Portal

Macromolecular complexes from key model organisms

HotSprint

Hot spots (functionally and structurally important residues) in protein interfaces