Non-protein amino acids, Biology

Assignment Help:

NON-PROTEIN AMINO ACIDS

Non-protein amino acids are the ones which are not incorporated in proteins but occur freely or in combined state in non-protein substances.

Their number is more than 180.

(i)       Ornithine and Citrulline threonine.

(ii)      Homoserine is intermediate in synthesis of cysteine, methionine and threonine.

(iii)         Diaminopimelic acid is intermediate in synthesis of lysines.

(iv)      D-Alanine and D-Glutamic acid are component of peptidolycan of bacterial wall.

(v)      Gamma Aminobutyric acid or GABA is a synaptic neurotransmitter that causes inhibition by opening chloride channels.

(vi)      A number of antibiotics contain amino acid analogues that prevent protein synthesis, e.g., D-Phenylalanine  in Gramicidin - S

(vii)     Actinomycin - D, an inhibitor of RNA synthesis, contains D-Valine.


Related Discussions:- Non-protein amino acids

Why is there a sense of pressure change inside the ear, Why is there a sens...

Why is there a sense of pressure change inside the ear when someone goes down a mountain? The pressure inside the middle ear is keeps equal to the external ear (so to the exter

Explain six different genotypes, ABO blood groups in humans are controlled ...

ABO blood groups in humans are controlled by the gene I. It has three alleles - IA, IB and i. As there are three dissimilar alleles, six different genotypes are possible. How many

Zoology, difference between one girl and lungs two ribosomes and lysosomes ...

difference between one girl and lungs two ribosomes and lysosomes ?

What is saliva, What is Saliva Saliva   is  the colourless  viscous  f...

What is Saliva Saliva   is  the colourless  viscous  fluid.  It  helps  in  swallowing the  food  by lubricating the food and the neutral pH of saliva prevents the decalcifica

Hydra – metazoa, Hydra – Metazoa The animals of phyla Cnidaria and Cte...

Hydra – Metazoa The animals of phyla Cnidaria and Ctenophora are made up of only two germ layers: ectoderm which forms the outer covering of the animal and endoderm which is t

Discuss the biological importance of imidazole, Discuss the biological impo...

Discuss the biological importance of Imidazole. Bring in examples of biomolecules that contain this group. Please be as thorough as possible.

What is the main moral problem about the cloning, What is the main moral pr...

What is the main moral problem about the cloning of human individuals? Besides biological perils, a very serious moral problem includes the nucleus transplantation technology c

Fate of pyruvate, Pyruvate Pyruvate has three different  fates. Under a...

Pyruvate Pyruvate has three different  fates. Under aerobic conditions,  pyruvate enters mitochondriaand is converted to acetyl CoA. The acetyl CoA enters thecitric acid cycle.

External budgets - nutrient budgets, External budgets - Nutrient Budgets ...

External budgets - Nutrient Budgets In contrast the external budgets pertain to the input and output of the entire ecosystem in relation to other ecosystems. For instance volc

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