Protein protein properties and compatibility of polymers made by base units are developed called amino acids. Generally divided into four categories called primary, secondary, tertiary and quaternary structure structural proteins. The protein structure is a linear polymer with a string of amino acids joined by peptide bonds. In fact, they are spatially arranged in the primary structure and are generally quite regular in their conformation, and secondary structure of proteins.
In molecular biology, structural biology, the secondary structure is a general three dimensional shape of the local part of biopolymers such as proteins and nucleic acids (DNA / RNA). However, it does not describe a specific atomic position within the three dimensional space which is considered to be a tertiary structure. As observed in the atomic resolution structure, the secondary structure by hydrogen bonding can formally define the biopolymer. For proteins, secondary structure is defined by the hydrogen bonding pattern between the main chain amide and the carboxyl group. For nucleic acids, the secondary structure is defined by hydrogen bonds between nitrogen-containing bases. The hydrogen bonding pattern can be difficult to automatically determine the significant secondary structure and it can be distorted
Macromolecules are usually very large molecules like manufactured proteins by polymerizing small subunits (monomers). They are generally composed of thousands of atoms or atoms. The most common biochemical macromolecular biopolymers (nucleic acids, proteins, carbohydrates and lipids) and large non-polymer molecules (eg lipids and macrocyclic compounds). Synthetic polymers include traditional plastics and synthetic fibers such as carbon nanotubes, as well as experimental materials
Volatile substances produced by bacteria break down compounds from biopolymers such as proteins and carbohydrates. The product of polymer biodegradation is substantially deamination and decarboxylation of amino acids. Vapors are substantial, methylamine, dimethylamine, trimethylamine, amino groups may be thio. Examples are derived from sulfur-containing amino acids such as sulfur, hydrogen sulfide, methyl mercaptan, dimethyl disulfide, cysteine and methionine