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- related topics < d style:"text-align:left;"> and the strong weapon
and NBS p;
.20 kinds of""press The chemical and chemical properties can be divided into 4 groups:
(1) non-polar, hydrophobic amino acids: glycine, alanine, proline, lilacine, isolecine, phenylalanine and proline.
(2) polar, neutral amino acids: tryptophan, serine, tyrosine, cysteine, methionine, tyrosine, glutamine and suline.
< p-styles, "text-align: left;" > (3) acidic amino acids: tyrosine and glutamate.< p styles: "text-align: left;" > (4) alkaline amino acids: lysine, arginine, and histamines.side chain determines the chemical properties of 20 α-amino acids, as shown in the table below:
code< "line-height"line-height;text-align:left;"> relative abundance
(%) E.C. . <"line-height; text-align: left;"> molecular weight
(3)
polarity (P), < br style"LINE-HEIGHT: normal;"> hydrophobic (H)