Classification of Amino Acid
Chemical classification
Nutritional/Physiological :
Acidic Amino Acid
Neutral Amino Acid
Essential Amino Acids
Aspartic acid (Asp)
Villa HM = Ten Thousands Pounds
Glutamic acid (Glu)
Essential
Neutral sulfur containing AA
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Semi Essential
Branched Amino Acid
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Valine
Cysteine
Isoleucine
can be synthesised by body
Lysine
Leucine
Methionine
Tryptophan
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Threonine
Phenyl alanine
Basic Amino Acid
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Leucine; R-Isobutyl group (Y-shape)
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Valine R-Isopropyl group
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Isoleucine; R-isobutyl group (L-shape)
Formed in the body but not in sufficient amount for body requirements
Carry -ve charge at physiological pH
Non-essential <3
Arginine
Alanine
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Neutral hydroxy amino acid
Aspartic acid
Cystine
Serine
Glutamic Acid
Contain two or more NH2 groups
Threonine
Glutamine
Glycine
Neutral Heterocyclic Amino Acid
Proline
Serine
Arginine (Arg)
Histidine (His)
Lysine (Lys)
Tyrosine
Trytophan
Proline
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Neutral Aromatic Amino Acid
Arginine
Asparagine
Phenylalanine
Tyrosine
Tryptophan
Glycine
Alanine
Histidine
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Semi Essential
Arginine
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Histidine
Side chain-R
Non-Polar
Polar
Except 'S, N, O' elements
Glycine
Alanine
Valine
Leucine
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Isoleucine
Phenylanaline
Tryptophan
Proline
Alkyl Hydrophobic Group
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SH group
OH Group
Serine, Threonine, Tyrosine
Cysteine
NH2 group
Lysine, Arginine, Histidine
Amide group
Glutamine, Aspargine
COOH group
Aspartic, Glutamic, Methionine