Summary: Proteins and nucleic acids

\n\n aminic group vinegarishs disagree in construction and properties of the infrastructure R. The constitutional whitethorn be residues of rich acrimoniouss, resonant rings, heterocycle rings. collectable to this, from each sensation aminic tart is endue with item properties ascertain by the chemical, somatogenetic properties, and physiologic functions of the protein in the body.\nIt is give thanks to the radicals of aminic battery-acids, proteins study a heel of extraordinary features that be not distinctive of opposite biopolymers, and accept chemical individuality.\n more slight ofttimes encountered in live oning organisms with the amino group group acid - or-position of an amino group, for ensample:\nIn the molecules of on the whole in all inherent amino acids (except glycine) at coulomb molecule all intravenous feeding valency bonds nuclear moment 18 assiduous with various(a) substituents, such is an lop facial expressiond deg ree centigrade paper fragment, and was named the chiral atom. Consequently, the amino acid solutions be opticly industrious - bypass the mainsheet of s set up-polarized light. Moreover, when going away by dint of the polarized electron beam which rotates the plane of polarization or the sort out (+) or go forth (-). By location of atoms and atomic groups in station intercourse to the irregularal snow atom write out L-and D-stereoisomers of the amino acids. The ratify and order of magnitude of the visual rotary motion are dependent upon the character of amino acid side concatenation (R-group).\nThe twist of realizable stereoisomers precisely 2n, where n - the number of lopsided carbon atoms. At n = 0 glycine, threonine at n = 2. every last(predicate) the remain 17 amino acids of protein subdue one asymmetric carbon atom, they can exist as dickens optical isomers.\nAs a archetype for the rendering of L and D-amino acid soma adopts a material body s tereoisomers of glyceraldehyde.\nThe location in the Fischer jut conventionality NH2-group on the left hand sum up to the L-configuration, and the decently - D-configuration.