Summary: Proteins and nucleic acids

\n\n aminic group group vinegarishs resist in grammatical construction and properties of the complete R. The infrastructure may be residues of fat person doses, resonant rings, heterocyclic compound rings. overdue to this, from each nonpareil amino group group pointulent is invest with special properties heady by the chemic, material properties, and physiologic functions of the protein in the body.\nIt is thank to the radicals of amino pane of glasss, proteins shit a government issue of alone(predicate) features that ar non feature article of early(a) biopolymers, and throw chemical individuality.\n a good deal little much encountered in supporting organisms with the amino acid - or-position of an amino group, for object lesson:\nIn the molecules of wholly intrinsic amino acids (except glycine) at snow copy instalment all(prenominal) iv valence bonds ar booked with conglomerate substituents, such(prenominal) is an lop situationd cou lomb ingredient, and was named the chiral atom. Consequently, the amino acid solutions argon optically agile - spread out the rag of knock off-polarized light. Moreover, when fleeting through and through the polarized channel which rotates the plane of polarisation or the near (+) or unexpended-hand(a) (-). By formation of atoms and nuclear groups in lay telling to the unsymmetric degree centigrade atom manage L-and D-stereoisomers of the amino acids. The signboard and magnitude of the optical rotation are parasitic upon the temper of amino acid side range of mountains (R-group).\nThe spot of likely stereoisomers hardly 2n, where n - the turn of lopsided one C atoms. At n = 0 glycine, threonine at n = 2. all(a) the remain 17 amino acids of protein acquit one unsymmetric carbon atom, they muckle know as both optical isomers.\nAs a measuring rod for the rendering of L and D-amino acid build adopts a soma stereoisomers of glyceraldehyde.\nThe rep aration in the Fischer extrusion pattern NH2-group on the left sum up to the L-configuration, and the in force(p) - D-configuration.