B -pleated sheets protein structure, Biology

Assignment Help:

β -Pleated Sheets

  1. In this inter molecular hydrogen bonds are present
  2. Two or more polypeptide chains come together and from a sheet.
  3. Condensation in little. However twisting does occur.
  4. The same polypeptide may fold over itself to form two strands for b -pleating.
  5. Adjacent polypeptide chains may occur in parallel (e.g., b -keratin) or antiparallel (e.g., silk fibroin).
  6. Cross-linkages help in stabilization of b -pleated sheets.
  7. Protein of secondary structure maintains gel state of protoplasm.
  8. Silk protein (Fibroin) is an example of b-Pleated sheets.
  9. Lineus pauling got Nobel prize in 1954 for study of a-helix & b-pleated structures of proteins.

1478_b-pleated sheets.png


Related Discussions:- B -pleated sheets protein structure

What is a ph meter, What is a pH meter? A pH meter is a device used for...

What is a pH meter? A pH meter is a device used for measuring. pH of any unknown solution. It is composed of: a) A reference electrode b) Glass electrode whose potential

Define swollen and tender joints and haemorrhage, Define Swollen and Tender...

Define Swollen and Tender Joints and haemorrhage in various Tissues? Haemorrhages occur deep in muscle, particularly in calf, thigh, buttocks and forearm, causing pain in surro

What do you mean by fixation?, What do we mean by fixation? Fixation is...

What do we mean by fixation? Fixation is the process of preserving internal and external structures of microorganisms.  It leads to the killing of microbial cells and their fir

Define the prevention of adverse food reactions, Define the Prevention of A...

Define the Prevention of Adverse Food Reactions? Considering the increasing incidence, cost and morbidity associated with allergic reactions, it is perhaps useful to design pre

Extraradicular infections, Extraradicular Infections Whatever the cause...

Extraradicular Infections Whatever the cause of post endodontic disease we should do proper diagnosis to determine what is the cause; is it intra or extraradicular infection ,

Describe in brief about pseudoisoehromatic plates test, Describe in brief a...

Describe in brief about Pseudoisoehromatic Plates test Commonly known as Ishihara's plates, these reveal one pattern to the normal eye and another to the colour deficient. Colo

What are the functions of the spleen, What are the functions of the spleen?...

What are the functions of the spleen? Why is a total splenectomy (surgical removal of the spleen) compatible with life? The spleen has many functions: it participates in the de

Activation of a fatty acid, Small-  and  medium-chain   acyl  CoA  molecule...

Small-  and  medium-chain   acyl  CoA  molecules  (up  to  10  carbon  atoms)  are readily capable to cross the inner mitochondrial  membrane by diffusion. Furthermore, longer chai

Define the uses of foams, Define the uses of foams The foams frequently...

Define the uses of foams The foams frequently used in cookery are whipped cream, ice cream, cake, bread, meringues, milk froth and gelatin.  Food foams contain large amounts of

Glucocorticoid response element, GRE  stands for the Glucocorticoid Respons...

GRE  stands for the Glucocorticoid Response Element: The binding site in a promoter to which the activated glucocorticoid receptor can be bind. The glucocorticoid receptor is signi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd