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Amino Acids
Amino Acids - Amino acids are compounds containing carbon, hydrogen, oxygen and nitrogen. They serve mainly as monomers (building blocks) of proteins. An amino acid is represented by a general empirical formula R.CH.NH 2 . COOH. Each ..
Structures of Amino Acids
Amino acids are the building blocks of proteins. There are 300 amino acids that occur in nature. Among these only 20 are known as standard amino acids that commonly occur in proteins. Amino acids contain two functi..
Structures of Amino Acids
Amino acids are the building blocks of proteins. There are 300 amino acids that occur in nature. Among these only 20 are known as standard amino acids that commonly occur in proteins. Amino acids contain two ..
Physical Properties of Amino Acids
. In acidic solution, the carboxylate function (- COO - ) accepts a proton and gets converted to carboxyl substituent (- COOH) while in basic solution the ammonium substituent (+NH 3 ) changes to amino group (-NH 2 ) by losing a proton. In acidic so..
. In acidic solution, the carboxylate function (- COO - ) accepts a proton and gets converted to carboxyl substituent (- COOH) while in basic solution the ammonium substituent (+NH 3 ) changes to amino group (-NH 2 ) by losing a proton. In acidic so..Acidic Amino Acids
These have two carboxyl groups and one amino group. The free carboxyl group is acidic in nature. For example, aspartic acid and glutamic acid..
Neutral Amino Acids
These have one amino and one carboxyl group. For example, alanine, glycine. fig.13.13 - Structural Formula of Amino Acids Amino acids can become linked with one another by a linkage called peptide linkage. The amino gr..
These have one amino and one carboxyl group. For example, alanine, glycine. fig.13.13 - Structural Formula of Amino Acids Amino acids can become linked with one another by a linkage called peptide linkage. The amino gr..Polar amino acids with no charge
These amino acids do not have any charge on the 'R' group. These amino acids participate in hydrogen bonding of protein structure. The amino acids in this group are - serine, threonine, tyrosine, cysteine, glutamine an..
These amino acids do not have any charge on the 'R' group. These amino acids participate in hydrogen bonding of protein structure. The amino acids in this group are - serine, threonine, tyrosine, cysteine, glutamine an..Polar amino acids with negative charge
Polar amino acids with negative charge have more carboxyl groups than amino groups making them acidic. The amino acids, which have negative charge on the 'R' group are placed in this category. They are called..
Polar amino acids with negative charge have more carboxyl groups than amino groups making them acidic. The amino acids, which have negative charge on the 'R' group are placed in this category. They are called..Classification of Amino Acids Base on Polarity
Amino acids are classified into different ways based on polarity, structure, nutritional requirement, metabolic fate, etc. Generally used classification is based on polarity. Based on polarity amino acids are classified into four groups..
Non-polar amino acids
They have equal number of amino and carboxyl groups and are neutral. These amino acids are hydrophobic and have no charge on the 'R' group. The amino acids in this group are alanine, valine, leucine, isoleucine, phenyl..
They have equal number of amino and carboxyl groups and are neutral. These amino acids are hydrophobic and have no charge on the 'R' group. The amino acids in this group are alanine, valine, leucine, isoleucine, phenyl..See what our Users say :
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