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

What is the name of process of deposition, Thickness and toughness of plant...

Thickness and toughness of plant walls are increased by deposition within original cellulose wall, of a substance called as lignin. Process of deposition is called: a) Lignific

Explain tenofovir disoproxil fumarate, Tenofovir disoproxil fumarate (TDF, ...

Tenofovir disoproxil fumarate (TDF, Viread)  Tenofovir DF is the only nucleotide RTI available for treatment of HIV. It is a prodrug of tenofovir, a potent inhibitor of HIV rep

Air and Noise Pollution, Photochemical smog results from automobile polluta...

Photochemical smog results from automobile pollutants reacting with what?

Which are the structures that are part of the nervous system, Which are the...

Which are the structures that are part of the nervous system? The structures that form the nervous system can be separated into the central nervous system (CNS) and the periphe

What is meant by cellular secretion, What is meant by cellular secretion? ...

What is meant by cellular secretion? Cell secretion is the elimination to the exterior of substances formed by the cell (for instance, hormones, mucus, sweat, etc.)

Enzyme specificity, Enzyme Specificity Enzymes play a critical role wit...

Enzyme Specificity Enzymes play a critical role within biological systems through helping reactions to occur beneath the commonly mild conditions in that organisms live. Enzyme

Define drug effects on carbohydrate metabolism, Define drug effects on Carb...

Define drug effects on Carbohydrate metabolism? Carbohydrate metabolism: Hypoglycemic drugs such as insulin and sulphonylureas are prescribed because of their ability to increa

Determine when the homologous chromosomes occur, In which period of meiosis...

In which period of meiosis does the pairing of homologous chromosomes occur? The pairing of homologous chromosomes is an essential step for meiosis because the rightness of the

Why are herbivores considered similar to predators, (a) Why are herbivores ...

(a) Why are herbivores considered similar to predators in the ecological context Describe? (b)   Differentiate among the following interspecific interactions  in a population :

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