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Integral protein

Definition

noun, plural: integral proteins

A protein molecule or protein assembly permanently attached in biological membrane.


Supplement

Two types of integral proteins are:

These proteins are firmly attached in the plasma membrane, with its hydrophobic component interacting with the phospholipids.


Also called: integral membrane protein or IMP

Synonym: intrinsic protein

Compare: peripheral membrane

See also: fluid mosaic model


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I have got some BIG issues! forgive the long post

... at the ABO locus, catalyze the last step of the synthesis, while the protein coded by the O allele is non-functional; therefore, the acceptor ... with, mostly autoimmune, diseases. MHC class II molecules are integral membrane glycoproteins consisting of a heavy chain with a molecular ...

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by saddy51
Sun Jan 04, 2015 10:39 am
 
Forum: Genetics
Topic: I have got some BIG issues! forgive the long post
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Views: 1775

What is a non-integral repeat in an alpha helix?

What exactly is a non-integral repeat in an alpha helix and how does it arise? I was doing a question: An a helix is a form of protein secondary structure with 3.6 residues per turn of helix. The non-integral repeat arises because ...

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by qwertyqwerty
Wed Aug 15, 2012 1:46 am
 
Forum: Molecular Biology
Topic: What is a non-integral repeat in an alpha helix?
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caveolae and caveolin1

... How they are related to membrane tension? And Caveolin1? it is a protein integral of PM, that is localizated on caveolae? What is the mechanosensing and mechanotransduction?? ...

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by marco86
Sun Apr 29, 2012 2:02 pm
 
Forum: Cell Biology
Topic: caveolae and caveolin1
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Views: 4336

Re: Theories - Origin of Life

... can Once upon a time it was believed that something called “genes” were integral units, that each specified a piece of a phenotype [that is, a trait], ... vol. 410, pp. 9-17. Most of the human DNA (some 98%) does not code for proteins. The bulk of this non coding DNA was referred to as junk i.e. ...

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by scottie
Wed Dec 21, 2011 10:30 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1127974

Protein movment in cell membrane?

... understand is which kind of proteins are able to move around the membrane; my book says there's two major types of membrane proteins including integral proteins which are firmly bound to the membrane and peripheral proteins which are not even embedded in the lipid bilayer. If integral proteins ...

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by aic92
Tue Dec 13, 2011 4:42 pm
 
Forum: General Discussion
Topic: Protein movment in cell membrane?
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