Aquaporin Protein-Protein Interactions

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Aquaporin Protein-Protein Interactions

Aquaporins are tetrameric membrane-bound channels that facilitate transport of water and other small solutes across cell membranes. In eukaryotes, they are frequently regulated by gating or trafficking, allowing for the cell to control membrane permeability in a specific manner. Protein-protein interactions play crucial roles in both regulatory processes and also mediate alternative functions s...

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Discovering Domains Mediating Protein Interactions

Background: Protein-protein interactions do not provide any direct information re‌garding the domains within the proteins that mediate the interactions. The majority of proteins are multi domain proteins and the interaction between them is often defined by the pairs of their domains. Most of the former studies focus only on interacting do‌main pairs. However they do not consider the in...

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Light inactivation of water transport and protein–protein interactions of aquaporin–Killer Red chimeras

Aquaporins (AQPs) have a broad range of cellular and organ functions; however, nontoxic inhibitors of AQP water transport are not available. Here, we applied chromophore-assisted light inactivation (CALI) to inhibit the water permeability of AQP1, and of two AQP4 isoforms (M1 and M23), one of which (M23) forms aggregates at the cell plasma membrane. Chimeras containing Killer Red (KR) and AQPs ...

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Phosphorylation of aquaporin-2 regulates its endocytosis and protein-protein interactions.

The water channel aquaporin-2 (AQP2) is essential for urine concentration. Vasopressin regulates phosphorylation of AQP2 at four conserved serine residues at the COOH-terminal tail (S256, S261, S264, and S269). We used numerous stably transfected Madin-Darby canine kidney cell models, replacing serine residues with either alanine (A), which prevents phosphorylation, or aspartic acid (D), which ...

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discovering domains mediating protein interactions

background: protein-protein interactions do not provide any direct information re­garding the domains within the proteins that mediate the interactions. the majority of proteins are multi domain proteins and the interaction between them is often defined by the pairs of their domains. most of the former studies focus only on interacting do­main pairs. however they do not consider the interaction...

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ژورنال

عنوان ژورنال: International Journal of Molecular Sciences

سال: 2017

ISSN: 1422-0067

DOI: 10.3390/ijms18112255