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 | Kinesin Transport Protein the stalk - a long, central coiled-coil region - that ends in a tail region formed with a light-chain. The stalks intertwine to form the kinesin dimer. Cargo binds to the tail while the twin heads alternately bind the microtubule as the kinesin pulls the cargo along. The heads will hydrolyze 2 ATP molecules per step. Polarity Motor proteins travel in a specific direction along a microtubule. This is because the microtubule is polar, the heads only bind to the microtubule in one orientation, ... |
 | Lec 23 | MIT 7.014 Introductory Biology, Spring 2005 that little movie I showed you where they flipped the base pair into a very narrow slot in the protein, and they check that it's there. And they said at that time, that's why polymerases have a problem when they hit a lesion such as a thymine dimer that we get if we go out in the sun. And then one of the recent pieces of excitement in the DNA repair field that I work in, was the discovery of a whole class of translesion DNA polymerases that have very flexible, active sites and we are able ... |
