Question

What are the seven classification of amino acids with examples

Answer 1

Answer:

Explanation:

Non Polar Amino acids

• Glycine  
• Alanine  
• Valine
• Methionine
• Leucine
• Isoleucine
• Proline (special structure)
• Phenylalanine
• Tryptophan

2] Polar Amino Acids

a) Acidic

• Aspartic Acid
• Glutamic Acid

b) Basic

• Histidine
• Lysine
• Arginine

c) Neutral:

• Serine
• Threonine
• Asparagine
• Glutamine
• Cysteine
• Tyrosine

1] Essential Amino Acids

• Leucine
• Isoleucine
• Lysine
• Theorine
• Methionine
• Phenylalanine
• Valine
• Tryptophan
• Histidine (conditionally essential)

2] Non-Essential

             These acids are synthesized in our bodies itself and we need not rely on outside sources for them. They are either produced in our bodies or obtained from protein breakdowns.

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Answer 2

Answer:Classification of amino acids

I. Classification on the basis of R-group

II. Classification on the basis of nutrition

III. Classification on the basis of Catabolism

Explanation:

. Classification of amino acids on the basis of R-group

1. Group A : Hydrophobic amino acids

Amino acids in which R-group is non-polar

(GAVLIMPPT); Glycine, Alanine, Valine, leucine, Isoleucine, Methionine, Phenylalanine, Proline, Tryptophan

2. Group B: Hydrophilic, uncharged amino acids

Amino acids in which R-group is polar, hydrophilic but uncharged

CSTGAT; Cystein, Serine, Threonine, Glutamine, Asparagine, Tyrosine

3. Group C: acidic amino acids

Amino acids in which R-group is acidic or negatively charged

GA; Glutamic acid and Aspartic acid

4. Group D: basic amino acids

Amino acids in which R-group is basic or positively charged

LAH; Lysine, Arginine, Histidine

 

II. Classification of amino acids on the basis of Nutrition:

1. Essential amino acids:

These amino acids are not synthesized in cells of human beings, so these should be essentially present in diet.

PVTTIMHALL; Phenylalanine, Valine, Threonine, Tryptophan, Isoleucine, Methionine, Histidine, Arginine*, Leucine, Lysine

Arginine is conditional amino acids (Essential for infants, non essential for adults)

2. Non essential amino acids:

These aminoacids can be synthesized in body, so need not be included in diet.

(GASCAGAGTP); Glycine, Alanine, Serine, Cysteine, Asparagine, Glutamine, Aspartic acid, Glutamic acid, Tyrosine, Proline

 

III. Classification of amino acids on the basis of Catabolism

1. Glucogenic amino acids:

These aminoacids serves as precursors gluconeogenesis for glucose formation

GAMD (Glycine, Alanine, methionine, Aspartic acid).

2. Ketogenic amino acids:

These aminoacids breakdown to form ketone bodies.

Leucine and Lysine

3. Both glucogenic and ketogenic amino acids:

These amino acids breakdown to form precursors for both ketone bodies and glucose.

Isoleucine, Phenylalanine, Tryptophan and tyrosine