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Kinesin protein walking on microtubule

em2134x · 2.3M views · 2012-08-17 · 0:22

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Overview

A very short animation of a kinesin motor protein walking along a microtubule inside a cell, carrying cargo.

On Hacker News

Shared as a vivid illustration of molecular machines at work inside cells.

Recommended by 3 HN people across 3 months · HN mentions 2018–2023

Topics

Biology & biotechnology
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kinesinmicrotubulecell biologyanimation

What people said

dopylitty · 2021-09 · Recommendation

If you think that’s cool you might also like to see the motor proteins that walk along inside our cells. There are a few types including the ones that make muscles work. Kinesin is fun because it has little legs made of proteins. It gloms onto big bubbles of stuff inside the cell and carries them along pathways to their destination. Chemical reactions cause the proteins to fold in the right way to take each step. This shows how they look. [VIDEO] This explains the mechanisms that they use to walk. [LINK]

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acqq · 2020-07 · Recommendation

Then you have to watch these videos too: [LINK] For example, this looks like a cartoon but it really behaves so (except that the molecules are too small to have the colors, as in other visualizations): [VIDEO]

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droithomme · 2019-10 · Recommendation

> the molecules seem to have intent Take a look at dynein and kinesin walking along microtubules while dragging along their cargo. It's pretty neat. Unknown is how the really simple microtubules get to their destination while building themselves just ahead of the walkers or how the walkers know which turns to take. [VIDEO] [LINK] [VIDEO]

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Sources

Video by em2134x, played through YouTube.

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