Dictionary » P » Polypeptide chain

Polypeptide chain

Definition

noun, plural: polypeptide chains

A chain of amino acids joined together through peptide bonds.


Supplement

Word origin: poly- (many) + peptide + chain

See also: peptide


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Finding the net charge of amino acid

please, i need help with this question. Estimate the net charge of a polypeptide chain at physiological pH 7.4 and at pH 5.0 Ala-Arg-Val-His-Asp-Gln

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by debbie4christ
Tue May 28, 2013 8:12 pm
 
Forum: Molecular Biology
Topic: Finding the net charge of amino acid
Replies: 19
Views: 53918

Protein structure

... straighten the signature and you get two lines, which would be the polypeptide (peptide chain). Second level: take the line and start arranging it by bending and folding it to your ...

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by akatalitha
Thu Sep 20, 2012 5:22 am
 
Forum: Molecular Biology
Topic: Protein structure
Replies: 4
Views: 13499

Polypeptide chainwith 21 basic and 15 acidic residues...

So if a polypeptide chain of 214 amino acid residues has 21 basic and 15 acidic residues, the protein : a) is amphipathic b) will be ...

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by qwertyqwerty
Wed Aug 15, 2012 1:18 am
 
Forum: Molecular Biology
Topic: Polypeptide chainwith 21 basic and 15 acidic residues...
Replies: 1
Views: 3851

Molecular gene (genome) concept scientifically untenable

... that directed the synthesis of a linear sequence of amino acids, or a polypeptide, and that this process was mediated by an adaptor molecule (RNA ... stretch of DNA that encodes a functional product, a single polypeptide chain or RNA molecule. The entire collection of genes encoded by a particular ...

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by PAWahid
Wed May 02, 2012 4:54 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 28991

Reasons for Skepticism on the Endosymbiosis?

... processes of oxidative phosphorylation and the electron transport chain. The bacterial cell alone could not meet these energy demands. The ... done by attaching a "label" in the form of an extra length of polypeptide to the protein). This would require a coincidental modification ...

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by SuperfluousAvatar
Thu Jan 12, 2012 7:43 pm
 
Forum: Cell Biology
Topic: Reasons for Skepticism on the Endosymbiosis?
Replies: 0
Views: 6211
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