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Subunit

subunit

(Science: cell biology) components from which a structure is built, thus myosin has six subunits, microtubules are built of tubulin subunits. In some cases it may be more informative to speak of protomers.


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peptidyl transferase

Hey there. I have a little problem. :( PTC is an enzyme which catalyzes the peptide formation reaction. It is located in 60s subunit of ribosome. EC 2.3.2.12 . I actually need a pdb file of ptc for my docking issue. how can I find it??

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by Parisa
Tue Nov 05, 2013 10:11 pm
 
Forum: Cell Biology
Topic: peptidyl transferase
Replies: 2
Views: 716

peptidyl transferase center?!

Hey there. I have a little problem. :( PTC is an enzyme which catalyzes the peptide formation reaction. It is located in 60s subunit of ribosome. EC 2.3.2.12 . there are some pdb IDs like 3j3b n 3j3f but not for the pure protein. I actually need a pdb file of ptc for my docking issue. ...

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by Parisa
Tue Nov 05, 2013 12:12 am
 
Forum: Bioinformatics
Topic: peptidyl transferase center?!
Replies: 1
Views: 460

cellular mechanisms that result in symptoms of cholera

The cholera toxin (CTX or CT) is an oligomeric complex made up of six protein subunits: a single copy of the A subunit (part A), and five copies of the B subunit (part B), connected by a disulfide bond. The five B subunits form a five-membered ring that binds to ...

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by adithya528
Tue Dec 11, 2012 1:49 pm
 
Forum: Cell Biology
Topic: cellular mechanisms that result in symptoms of cholera
Replies: 4
Views: 3836

cellular mechanisms that result in symptoms of cholera

... far is that the cholera toxin (CT) is responsible for the main symptom of cholera, which is secretory diarrhea. More specifically, CT is an A-B5 subunit-type exotoxin released in the small intestine, but I can't really find how specific cellular mechanisms that cause this and other symptoms (nausea, ...

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by tesla93
Mon Nov 19, 2012 9:59 pm
 
Forum: Cell Biology
Topic: cellular mechanisms that result in symptoms of cholera
Replies: 4
Views: 3836

Re: Theories - Origin of Life

... http://books.google.co.uk/books?id=mayrwkPvEmUC&pg=PA245&lpg=PA245&dq=Functional+insights+from+the+structure+of+the+30S+ribosomal+subunit+and+its+interactions+with+antibiotics.+Nature+407:340%E2%80%93348.&source=bl&ots=B_aqJIhcSe&sig=sD6mN3IGxYRmfVnlz5WDjX52R4A&hl=en&sa=X&ei=dntsT4aoLqnE0QXQyfTdBg&ved=0CC4Q6AEwAjgK#v=onepage&q=Functional%20insights%20from%20the%20structure%20of%20the%2030S%20ribosomal%20subunit%20and%20its%20interactions%20with%20antibiotics.%20Nature%20407%3A340%E2%80%93348.&f=false ...

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by scottie
Fri Aug 17, 2012 3:46 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 755219
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