The world's first wiki where authorship really matters (Nature Genetics, 2008). Due credit and reputation for authors. Imagine a global collaborative knowledge base for original thoughts. Search thousands of articles and collaborate with scientists around the globe.

wikigene or wiki gene protein drug chemical gene disease author authorship tracking collaborative publishing evolutionary knowledge reputation system wiki2.0 global collaboration genes proteins drugs chemicals diseases compound
Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

The mitochondrial voltage-dependent channel, VDAC, is modified asymmetrically by succinic anhydride.

In the accompanying paper, succinic anhydride was shown to react with the outer mitochondrial membrane channel-forming protein, VDAC, resulting in the loss of its voltage dependence. In this paper, the anhydride was added to VDAC held in a particular conformational state by means of an applied electric field. VDAC was inserted into the membranes from the cis side and the anhydride was added either to the cis or trans side. Channels modified in the open state behaved similarly whether anhydride was added to the cis or trans side. Modifications of VDAC in either of the two closed states did not. Modifications resulting in the loss of voltage-dependence occurred primarily when anhydride was added to the negative side of the membrane irrespective of which closed state the VDAC was in indicating that the accessibility of the gating charges alternated between the cis and trans sides as the channel's conformation was changed from one closed state to the other. Despite the pronounced asymmetry, in general the resulting channels behaved in the same way in response to either positive or negative fields. A model consistent with the results is presented which proposes that the same gating charges are responsible for channel closure at both positive and negative fields.[1]


WikiGenes - Universities