What types of primary structures destabilize helices?



What types of primary structures destabilize helices?..

Answer / kurt heller

the question may be in error

helices are atabilized by by hydrogen bonds between peptide
groups

some aminoacids like: gly, pro, ser do not like to be
inside a helix, because they break the hydrogenbonding
pattern within a helix

aminoacids like: thr, ile and val have beta-carbons which
restricts the way the sidechains sticking out from the
helix can pack together

the acid aminoacide: glu and asp prefre the N-teminal end,
because the helic is a dipole
the opposite is true for the basic aminoacids: arg and lys

the rest is mostly indifferent<, take a look at Chou and
Fasman statestics for aminoacids for helices

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Bio Chemistry Interview Questions

What are some commonly used biochemical buffers?

3 Answers  


What are proteoglycans and how are they constructed?

1 Answers  


Concerning enzymatic reactions how different, are the graphic curve of the variation of the speed of a reaction as function of substrate concentration and the curve of variation of the speed of a reaction as function of temperature?

0 Answers  


What are low-density lipoproteins?what are their functions?

1 Answers  


What is the difference between pH and pKa?

3 Answers   Astra,






What is guaiac test and where it is used?

1 Answers  


What is the quaternary structure of a protein?

0 Answers  


I would like to know what are the main difference in mechanisms of action of: Ascorbic Acid beta-mercaptoethanol and Dimetilsulfoxide (DMSO). thanks in advance.

1 Answers  


What causes the elasticity of corneal layer of skin?

0 Answers  


What are the favorable conditions for formation of cat ions?

0 Answers  


Which elements are present in electron?

0 Answers  


How is the cooling of organs and tissues for medical transplantations associated with the effect of temperature upon enzymatic reactions?

0 Answers  


Categories