WordNet

the approximate amount of something (usually used prepositionally as in `in the region of' (同)neighborhood
the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space" (同)part
a knowledge domain that you are interested in or are communicating about; "it was a limited realm of discourse"; "here we enter the region of opinion"; "the realm of the occult" (同)realm
a large indefinite location on the surface of the Earth; "penguins inhabit the polar regions"

PrepTutorEJDIC

(地理的な)『地域』,『地帯』;(特に広大な)地方 / 《複数形で》(宇宙などの)区分,界,属 / (身体の)部分 / (学問などの)分野,領域 / 《複数形で》(都会から離れた)地方

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2018/04/21 01:56:36」(JST)

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The coding region of a gene, also known as the coding sequence or CDS (from coding DNA sequence), is that portion of a gene's DNA or RNA, composed of exons, that codes for protein. The region is bounded nearer the 5' end by a start codon and nearer the 3' end with a stop codon. The coding region in mRNA is bounded by the five prime untranslated region (5'-UTR) and the three prime untranslated region (3'-UTR), which are also parts of the exons.^[1] The CDS is that portion of an mRNA transcript that is translated by a ribosome.

The coding region of an organism is the sum total of the organism's genome that is composed of gene coding regions.^[2]

Difference with cDNA

A cDNA sequence is derived from the transcript by reverse transcription, but in this case it also contains the 5' and 3' UTRs, which are not part of the CDS (they are transcribed, but not translated). Due to this, a CDS will almost always start with an AUG codon and stop at one of the three STOP codons (UAA, UGA, UAG). These stop codons are called the stop signal.

Coding sequence annotation

While identification of open reading frames within a DNA sequence is straightforward, identifying coding sequences is not, because the cell translates only a subset of all open reading frames to proteins.^[3] Currently CDS prediction uses sampling and sequencing of mRNA from cells, although there is still the problem of determining which parts of a given mRNA are actually translated to protein. CDS prediction is a subset of gene prediction, the latter also including prediction of DNA sequences that code not only for protein but also for other functional elements such as RNA genes and regulatory sequences.

References

^ Twyman, Richard (1 August 2003). "Gene Structure". The Wellcome Trust. Archived from the original on 28 March 2007. Retrieved 6 April 2003.
^ Goto, Mami; et al. (April 8, 2000). Analysis of CpG Dinucleotide Frequency in Bacterial Genomes with Respect to Genomic Regions and Codon (PDF). The Fourth Annual International Conference on Computational Molecular Biology, Tokyo, Japan. Retrieved 6 April 2009.
^ Furuno, Masaaki; Kasukawa, Takeya; Saito, Rintaro; Adachi, Jun; Suzuki, Harukazu; Baldarelli, Richard; Hayashizaki, Yoshihide; Okazaki, Yasushi (September 2011). "CDS Annotation in Full-Length cDNA Sequence". Genome Research. Cold Spring Harbor Laboratory Press. 21 (9): 1478–1487. doi:10.1101/gr.1060303. Retrieved 18 September 2011

UpToDate Contents

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★リンクテーブル★

リンク元	「ORF」「翻訳領域」「コーディング領域」「コード領域」「CDS」
拡張検索	「protein coding region」「noncoding region」
関連記事	「region」「coding」