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Cell Biology

In English

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Maren Morgan

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adherens junctions transmembrane proteins


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56 questions
Adherens junctions adapters
P120, alpha and beta catenin, vanculin
Focal Adhesion adapter
Talin, kidlin, vinculin
Desmosomes cytoskeletal element
Intermediate filament
Adherens junctions purpose
Cell-cell adhesion
Desmosome purpose
Cell-cell adhesion
Focal adhesion
Cell-ECM adhesion
Hemidesmosome purpose
Cell-ECM adhesion
Gap junction purpose
Allow movement between cells
Tight junction purpose
Prevent movement between cells
Myosin (I) structure (3)
Plus, nonprocessive, 1 head
Myosin (II) structure (3)
Plus, nonprocessive, 2 heads
Myosin (V) structure (3)
Plus, processive, 2 heads
Myosin (VI) structure (3)
Minus, processive, 2 heads
Kinesin structure (3)
Plus ended, processive, 2 heads similar to actin
Dynein structure
Minus ended, processive, 2 heads, stalk, neck, tail
Myosin ATP binding
Release from actin
Myosin ADP release
Bind and power stroke
Kinesin ATP binding
Power stroke and cocking
Kinesin ATP hydrolysis
Release from microtubule
Kinesin ADP release
Caused by binding
Dynein ATP binding
Release and extension
Dynein ATP hydrolysis
Binding and power stroke
Cap Z
Binds plus end of actin, prevents addition
Binds minus end, prevents removal
Stabilizes actin fibers
Forces actin fiber breakdown
Binds actin monomer, prevents addition
Binds actin monomer increasing addition
Monomer for actin
Polymer for actin
Works with profilin, stabilizes G-actin, increases addition
Microtubule monomers
Alpha and beta tubulin
Gamma tubulin
Removes nucleation, place for dimers to add to
Microtubule GTPase
Beta tubulin
Slows addition, enduces catastrophe, destabilization of protofillament
Increases growth, slows catastrophe, stabilization of protofillament
Microtubules 9+2
Microtubules 9+0
Keratin (I& II)
Acid and base, give strength to epithelium, provide structure for hair, fingernails, scales
Vimentin III)
Widely expressed, creates junctions with other cells, involved in cell signalling
Neurofilaments (IV)
Help axon grow and strengthen it
Lamins (V)
In nucleus, can make a meshwork
Nestin (VI)
In axons, regulate axon width