Amino acids having both the amine and carboxylic acid groups attached to the first, or alpha, carbon atom have particular importance in biochemistry.

Amino acids are usually classified by the properties of their side-chain into four groups.

Amino acids also exist as zwitterions in the solid phase, and crystallize with salt-like properties unlike typical organic acids or amines.

Amino acids have zero mobility in electrophoresis at their isoelectric point, although this behaviour is more usually exploited for peptides and proteins than single amino acids.

Amino acids are the structural units that make up proteins.

Amino acids can be joined together via a peptide bond.

Amino acids that share the same biosynthetic pathway tend to have the same first base in their codons.

Amino acids with similar physical properties tend to have similar codons.

Amino acids that make up proteins may be positive, negative, neutral, or polar in nature, and together give a protein its overall charge.

Amino acids are natural monomers that polymerize at ribosomes to form proteins.

* Amino acids: glutamate, aspartate, D-serine, γ-aminobutyric acid ( GABA ), glycine

Amino acids are also an important dietary source of nitrogen.

Amino acids which have been incorporated into a peptide are termed " residues "; every peptide has a N-terminus and C-terminus residue on the ends of the peptide ( except for cyclic peptides ).

Amino acids are selected, collected and carried to the ribosome by transfer RNA ( tRNA molecules ), which enter one part of the ribosome and bind to the messenger RNA chain.

Amino acids vary in their ability to form the various secondary structure elements.

Amino acids that prefer to adopt helical conformations in proteins include methionine, alanine, leucine, glutamate and lysine (" MALEK " in amino-acid 1-letter codes ); by contrast, the large aromatic residues ( tryptophan, tyrosine and phenylalanine ) and-branched amino acids ( isoleucine, valine, and threonine ) prefer to adopt β-strand conformations.

Amino acids are the best-known examples of zwitterions.

Amino acids interact with each other to produce a well-defined three-dimensional structure, the folded protein ( the right hand side of the figure ), known as the native state.

* Amino acids and their salts:

Category: Amino acids

Key: Single letters: Amino acid # Table of standard amino acid abbreviations and side chain properties | amino acids.

Amino acid, sugar, fatty acid particles, vitamins, minerals, electrolytes and water are small enough to soak into the villi of the jejunum and drop into the blood stream.

Amino acids are then chained together by the ribosome according to order of triplets in the coding region.

Catabolism of proteinogenic amino acid s. Amino acids are classified according the abilities of their products to enter gluconeogenesis: < li > Glucogenic amino acids have this ability < li > Ketogenic amino acids do not.

Amino acids are brought to ribosomes and assembled into proteins.

Amino acids containing a secondary amine group ( the only proteinogenic amino acid of this type is proline ) are sometimes named imino acids, though this usage is disputed by some.

Amino acid residues that are responsible for the binding of SP and its antagonists are present in the extracellular loops and transmembrane regions of NK-1.

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Amino acid oxidases and proteases are used for digestion.

Amino acid similarity matrices are more complicated, because there are 20 amino acids coded for by the genetic code.

Amino acids are imported into the LCV through various amino acid transporters such as the SLC1A5 ( Neutral amino acid transporter ).

* Amino acids are used up faster than they are supplied in the diet.

Amino acids are added to excess to ensure complete coupling during each synthesis step, and without N-terminal protection, polymerization of unprotected amino acids could occur, resulting in low peptide yield or synthesis failure.

Amino, formaldehyde based resins are the best performing when considering cost and ease of use.

Amino acids, nucleic acids and sugars, all of which are found exclusively as a single enantiomer in organisms, are the basic chemical units of life.

Amino acids are the necessary " building block " molecules for proteins.

** Amino acid synthesis, the synthesis of an amino acid from its constituents *

Amino acids and proteins can only be built from NH < sub > 4 </ sub >< sup >+</ sup > so NO < sub > 3 </ sub >< sup >–</ sup > must be reduced.

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Amino acid sequence of the sweet protein monellin adapted from Swiss-Prot biological database of protein.

Amino acids from body protein can then be broken down to make glucose.