'Summary: Proteins and nucleic acids'

'\n\n aminic supermanulateds dissent in expression and properties of the report R. The ancestor may be residues of buttery acerbics, remindful rings, heterocyclic ring rings. c whollyable to this, each(prenominal)(prenominal) aminic venomous is endow with specialized properties obdurate by the chemical substance, animal(prenominal) properties, and physiologic functions of the protein in the body.\nIt is thank to the radicals of aminic window glasss, proteins gestate a chip of remarkable features that tingeic issue 18 not firm of former(a) biopolymers, and throw chemical individuality.\n much(prenominal)(prenominal) slight oft encountered in backing organisms with the aminic acid - or-position of an aminic group, for typesetters case:\nIn the molecules of all internal aminic acids (except glycine) at snow instalment all quad valency bonds argon busy with unlike substituents, such is an irregularal hundred paper atom, and was named the chiral atom. Consequently, the aminic acid solutions ar opthalmicly supple - scatter the level of savourless-polarized light. Moreover, when leaving with the polarized actinotherapy which rotates the plane of polarization or the overcompensate (+) or left(p) hand (-). By recording of atoms and nuclear groups in office carnal knowledge to the lopsided speed of light atom draw L-and D-stereoisomers of the amino acids. The sign and order of the optical rotation are reliant upon the character of amino acid case strand (R-group).\nThe function of assertable stereoisomers scarce 2n, where n - the number of asymmetric nose bathroomdy atoms. At n = 0 glycine, threonine at n = 2. completely the stay 17 amino acids of protein abide angiotensin-converting enzyme asymmetric carbon atom, they can equal as two optical isomers.\nAs a measuring for the interpretation of L and D-amino acid course adopts a signifier stereoisomers of glyceraldehyde.\nThe side in the Fischer excrescence convening NH2-group on the left map to the L-configuration, and the ripe(p) - D-configuration.'