base sequence

Article

January 19, 2022

Nucleic sequence (鹽基序列) or nucleic acid primary structure (Nucleic Acid Primary Structure) refers to a sequence of nucleobases, one of the components of the nucleotide, the basic unit of DNA. A gene is a basic unit that specifies a protein that determines the genetic character of an organism, and all living things on Earth follow the principle of specifying a protein through a base sequence. When three bases are gathered in a row on DNA, one triplet code is formed and one amino acid is designated. That is, when three bases are gathered, a triplet code is formed, which is converted into a protein sequence. Human proteins are produced by appropriately linking peptides using about 20 amino acids. To specify all 20 types of amino acids with four types of bases, three bases must be paired (4x4x464 ≥20). do. These three sequence bundles are called codons or genetic codes, and all 64 of these sequences do not form different codons, but consist of several overlaps. The base sequence consists of a total of four types of bases: A (adenine), T (thymine), G (guanine), and C (cytosine). They form complementary bonds between A-T and G-C, respectively.

See also

dielectric genomics genetic code

External Links

Genomics.org: Genome portal site

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