{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T12:32:25Z","timestamp":1767961945331,"version":"3.49.0"},"reference-count":42,"publisher":"Springer Science and Business Media LLC","issue":"1","content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Bioinformatics"],"published-print":{"date-parts":[[2007,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Domains are the basic functional units of proteins. It is believed that protein-protein interactions are realized through domain interactions. Revealing multi-domain cooperation can provide deep insights into the essential mechanism of protein-protein interactions at the domain level and be further exploited to improve the accuracy of protein interaction prediction.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>In this paper, we aim to identify cooperative domains for protein interactions by extending two-domain interactions to multi-domain interactions. Based on the high-throughput experimental data from multiple organisms with different reliabilities, the interactions of domains were inferred by a Linear Programming algorithm with Multi-domain pairs (LPM) and an Association Probabilistic Method with Multi-domain pairs (APMM). Experimental results demonstrate that our approach not only can find cooperative domains effectively but also has a higher accuracy for predicting protein interaction than the existing methods. Cooperative domains, including strongly cooperative domains and superdomains, were detected from major interaction databases MIPS and DIP, and many of them were verified by physical interactions from the crystal structures of protein complexes in PDB which provide intuitive evidences for such cooperation. Comparison experiments in terms of protein\/domain interaction prediction justified the benefit of considering multi-domain cooperation.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>From the computational viewpoint, this paper gives a general framework to predict protein interactions in a more accurate manner by considering the information of both multi-domains and multiple organisms, which can also be applied to identify cooperative domains, to reconstruct large complexes and further to annotate functions of domains. Supplementary information and software are provided in <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/intelligent.eic.osaka-sandai.ac.jp\/chenen\/MDCinfer.htm\" ext-link-type=\"uri\">http:\/\/intelligent.eic.osaka-sandai.ac.jp\/chenen\/MDCinfer.htm<\/jats:ext-link> and <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/zhangroup.aporc.org\/bioinfo\/MDCinfer\" ext-link-type=\"uri\">http:\/\/zhangroup.aporc.org\/bioinfo\/MDCinfer<\/jats:ext-link>.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1471-2105-8-391","type":"journal-article","created":{"date-parts":[[2007,10,16]],"date-time":"2007-10-16T06:14:26Z","timestamp":1192515266000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":45,"title":["Analysis on multi-domain cooperation for predicting protein-protein interactions"],"prefix":"10.1186","volume":"8","author":[{"given":"Rui-Sheng","family":"Wang","sequence":"first","affiliation":[]},{"given":"Yong","family":"Wang","sequence":"additional","affiliation":[]},{"given":"Ling-Yun","family":"Wu","sequence":"additional","affiliation":[]},{"given":"Xiang-Sun","family":"Zhang","sequence":"additional","affiliation":[]},{"given":"Luonan","family":"Chen","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2007,10,16]]},"reference":[{"key":"1763_CR1","doi-asserted-by":"publisher","first-page":"3427","DOI":"10.1128\/MCB.23.10.3427-3441.2003","volume":"23","author":"M Eisbacher","year":"2003","unstructured":"Eisbacher M, Holmes M, Newton A, Hogg P, Khachigian L, Crossley M, Chong B: Protein-protein interaction between Fli-1 and GATA-1 mediates synergistic expression of megakaryocyte-specific genes through cooperative DNA binding. 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