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Kinesin

Kinesin

(Science: molecular biology) cytoplasmic protein (110 kD) that is responsible for moving vesicles and particles towards the distal end of microtubules. Differs from cytoplasmic dynein (MAP1C) in the direction in which it moves and its relative insensitivity to vanadate. It has two heavy chains and two light chains. a large number of related gene products are believed to be motor proteins active in mitosis.


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Kinesin- which of the following are true?

1. kinesin has a low processivity 2. kinesin molecules have a stiff neck region between the globular head and the tail. 3. each kinesin head has a tubuli-binding site and a nucleotide-binding site. 4. kinesin's cargo binds ...

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by nickname
Fri Oct 01, 2010 9:21 pm
 
Forum: Cell Biology
Topic: Kinesin- which of the following are true?
Replies: 0
Views: 3335

Re: Microtubules and microfilaments can't operate independently?

well, microtubules are made up of proteins, specifically alpha and beta tubulins. they also act as substrates for other proteins like dynein and kinesin. so i guess they do need the help of proteins, besides the fact that they are also made of proteins. does that help? Oh, I know they're made ...

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by DoryTaylor
Sat Jun 19, 2010 8:41 am
 
Forum: Cell Biology
Topic: Microtubules and microfilaments can't operate independently?
Replies: 3
Views: 2710

Microtubules and microfilaments can't operate independently?

well, microtubules are made up of proteins, specifically alpha and beta tubulins. they also act as substrates for other proteins like dynein and kinesin. so i guess they do need the help of proteins, besides the fact that they are also made of proteins. does that help?

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by plasmodesmata11
Thu Jun 17, 2010 8:37 pm
 
Forum: Cell Biology
Topic: Microtubules and microfilaments can't operate independently?
Replies: 3
Views: 2710

increase speed Kinesin/dynein

Hello Does anyone have an idea of how you would increase de velocity of dynein or kinesin. (maybe increase the hydrolisation of ATP? or increase the individual step size? Thanks very much

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by wouterk
Thu Jun 03, 2010 3:01 pm
 
Forum: Molecular Biology
Topic: increase speed Kinesin/dynein
Replies: 2
Views: 1888

Colchicine

... with anterograde transport from the endoplasmic reticulum to the golgi apparatus but I'm not sure of the mechanism (I would assume it disrupts kinesin/microtubule interactions in some way).

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by Jammerz
Sun Nov 11, 2007 8:36 am
 
Forum: Genetics
Topic: Colchicine
Replies: 8
Views: 11431
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