Dictionary » R » Receptor site

Receptor site

Definition

noun, plural: receptor sites

A molecular site or the docking port on the surface of, or within, a cell, usually involving proteins that are capable of recognizing and binding with specific molecules.


Supplement

For example: CD4 receptor on the surface of certain cells is the receptor site that HIV binds with and uses to enter cells.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


cAMP 2nd Messenger Pathway and Experiments

... still produced in experiment 2? ---There could be an issue with the receptor that comes before adenylyl cyclase, so ATP is unable to be converted ... affinity for the hormone receptor. It interacts with GTP regulatory site to prohibit the GDP from binding. If ATP or GTP were eliminated from ...

See entire post
by mkay28
Tue Sep 24, 2013 10:43 pm
 
Forum: Cell Biology
Topic: cAMP 2nd Messenger Pathway and Experiments
Replies: 2
Views: 2248

Re: O level Past paper exam question on gland secretion

... it will need to reach a minimum threshold or exceed that threshold of receptor-molecule complexes in order to produce a response, small physical ... to be excessively big as long as they can attach to the specific active site. I hope this all helps, as I said, I am no expert in this field these ...

See entire post
by Amphibitile
Sun Jun 23, 2013 12:37 am
 
Forum: General Discussion
Topic: O level Past paper exam question on gland secretion
Replies: 1
Views: 1976

cellular mechanisms that result in symptoms of cholera

... B subunit ring. Upon binding, the complex is taken into the cell via receptor-mediated endocytosis. Once inside the cell, the disulfide bond is ... ADP-ribosylation factor 6 (Arf6). [13] Binding exposes its active site, allowing it to permanently ribosylate the Gs alpha subunit of the heterotrimeric ...

See entire post
by adithya528
Tue Dec 11, 2012 1:49 pm
 
Forum: Cell Biology
Topic: cellular mechanisms that result in symptoms of cholera
Replies: 4
Views: 5226

Re: Muscle Contractions

... into the neuromuscular junction... Once the Ach binds to its nicotinic receptor, it opens ligand gated channels for Na+ diffusion into muscular ... change thus moving tropomyosin allowing the myosin binding site to become open. These binding sites form a cross bridge with actin with ...

See entire post
by Jpoley
Tue Mar 01, 2011 2:42 am
 
Forum: Human Biology
Topic: Muscle Contractions
Replies: 1
Views: 6852

Competitive receptor-ligand Binding

... has posted a few statements in his lecture pertaining to what he calls 'receptorology' and I'm just trying to elaborate a bit on them in lieu of ... only conclusion I could think of is that there could be another binding site (one of lower affinity) which would increase the maximal response, any ...

See entire post
by someguy456345
Thu Feb 24, 2011 7:48 pm
 
Forum: Cell Biology
Topic: Competitive receptor-ligand Binding
Replies: 0
Views: 1852
View all matching forum results

This page was last modified 08:49, 22 October 2008. This page has been accessed 43,274 times. 
What links here | Related changes | Permanent link