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IBIS
Inferred Biomolecular Interactions Server
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For a given protein sequence or structure query, IBIS reports protein-protein, protein-small molecule, protein nucleic acids and protein-ion interactions observed in experimentally-determined structural biological assemblies. IBIS also infers/predicts interacting partners and binding sites by homology, by inspecting the protein complexes formed by close homologs of a given query. To ensure biological relevance of inferred binding sites, the IBIS algorithm clusters binding sites formed by homologs based on binding site sequence and structure conservation.
Find Interaction Partners and Binding Sites
Enter a protein PDB ID, Accession, or GI:   
Examples: PDB ID 2OCJA; GI 10720190; Accession: O36006

Current IBIS Statistics
References
Shoemaker BA, Zhang D, Tyagi M, Thangudu RR, Fong JH, Marchler-Bauer A, Bryant SH, Madej T, Panchenko AR. (2012), IBIS (Inferred Biomolecular Interaction Server) reports, predicts and integrates multiple types of conserved interactions for proteins. Nucleic Acids Res. 40(Database issue): D834-40.
Shoemaker BA, Zhang D, Thangudu RR, Tyagi M, Fong JH, Marchler-Bauer A, Bryant SH, Madej T, Panchenko AR. (2010), Inferred Biomolecular Interaction Server--a web server to analyze and predict protein interacting partners and binding sites. Nucleic Acids Res. 38(Database issue): D518-24.
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