期刊
BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS
卷 1840, 期 5, 页码 1614-1623出版社
ELSEVIER
DOI: 10.1016/j.bbagen.2013.11.012
关键词
Membrane protein; Aquaporin; Protein-protein interaction; Co-precipitation; Yeast two-hybrid interaction assay
资金
- Swedish Science Research Council (VR)
Background: Insight into protein protein interactions (PPIs) is highly desirable in order to understand the physiology of cellular events. This understanding is one of the challenges in biochemistry and molecular biology today, especially for eukaryotic membrane proteins where hurdles of production, purification and structural determination must be passed. Scope of review: We have explored the common strategies used to find medically relevant interaction partners of aquaporins (AQPs). The most frequently used methods to detect direct contact, yeast two-hybrid interaction assay and co-precipitation, are described together with interactions specifically found for the selected targets AQPO, AQP2, AQP4 and AQP5. Major conclusions: The vast majority of interactions involve the aquaporin C-terminus and the characteristics of the interaction partners are strikingly diverse. While the well-established methods for PPIs are robust, a novel approach like bimolecular fluorescence complementation (BiFC) is attractive for screening many conditions as well as transient interactions. The ultimate goal is structural evaluation of protein complexes in order to get mechanistic insight into how proteins communicate at a molecular level. General significance: What we learn from the human aquaporin field in terms of method development and communication between proteins can be of major use for any integral membrane protein of eukaryotic origin. This article is part of a Special Issue entitled Aquaporins. (c) 2013 The Authors. Published by Elsevier B.V. All rights reserved.
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