Dictionary » H » Homodimer

Homodimer

Definition

noun, plural: homodimers

A dimer made up of two identical subunits.


Supplement

The enzyme cyclooxygenase (COX) is an example of a homodimer composed of two identical subunits.


Word origin: Greek homós (same) + dimer

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Proteins

I have come across these terms: homodimer, heteromer, hexamer,etc. I don't quite understand what they mean. I would appreciate it if you could explain me in detail the significance of these terms. You may also do by just posting a link so ...

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by Adz795
Fri May 20, 2011 7:10 pm
 
Forum: Cell Biology
Topic: Proteins
Replies: 5
Views: 3437

Re: dimer-homodimer-heterodimer

:D Thank you!! You helped me a lot!!!

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by piefke
Sat May 03, 2008 5:24 pm
 
Forum: Molecular Biology
Topic: dimer-homodimer-heterodimer
Replies: 2
Views: 2918

Re: dimer-homodimer-heterodimer

... by SDS-PAGE. If you have purified what you believe to be active protein, you can do an N-terminal sequence determination. If it is a monomer or a homodimer-trimer-etc. there will only be one N-terminal sequence. Then your MW estimate (from the sizing column) will tell you if it’s a monomer, dimer, ...

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by blcr11
Sat May 03, 2008 2:23 pm
 
Forum: Molecular Biology
Topic: dimer-homodimer-heterodimer
Replies: 2
Views: 2918

dimer-homodimer-heterodimer

... homo- or heterodimer? perhaps it is a stupid question, I don´t know... and does it have some interesting consequences for its function if it is an homodimer or a heterodimer?

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by piefke
Fri May 02, 2008 2:57 pm
 
Forum: Molecular Biology
Topic: dimer-homodimer-heterodimer
Replies: 2
Views: 2918

Proteins

... made as individual molecules that later associate to form dimers. If you look at it as a pseudo-Punnet square, then 25% of the dimers are of each homodimer and 50% are heterodimers (alpha associates with beta or beta associates with alpha). There are four possible associations, two of them are ...

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by blcr11
Tue Oct 02, 2007 10:16 am
 
Forum: Genetics
Topic: Proteins
Replies: 4
Views: 3105
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