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  2. Reading frame - Wikipedia

    en.wikipedia.org/wiki/Reading_frame

    An open reading frame (ORF) is a reading frame that has the potential to be transcribed into RNA and translated into protein. It requires a continuous sequence of DNA which may include a start codon, through a subsequent region which has a length that is a multiple of 3 nucleotides, to a stop codon in the same reading frame.

  3. Open reading frame - Wikipedia

    en.wikipedia.org/wiki/Open_reading_frame

    The ORF Finder (Open Reading Frame Finder) [16] is a graphical analysis tool which finds all open reading frames of a selectable minimum size in a user's sequence or in a sequence already in the database. This tool identifies all open reading frames using the standard or alternative genetic codes.

  4. Dot plot (bioinformatics) - Wikipedia

    en.wikipedia.org/wiki/Dot_plot_(bioinformatics)

    One way to visualize the similarity between two protein or nucleic acid sequences is to use a similarity matrix, known as a dot plot. These were introduced by Gibbs and McIntyre in 1970 [1] and are two-dimensional matrices that have the sequences of the proteins being compared along the vertical and horizontal axes.

  5. Genetic code - Wikipedia

    en.wikipedia.org/wiki/Genetic_code

    Reading frames in the DNA sequence of a region of the human mitochondrial genome coding for the genes MT-ATP8 and MT-ATP6 (in black: positions 8,525 to 8,580 in the sequence accession NC_012920 [31]). There are three possible reading frames in the 5' → 3' forward direction, starting on the first (+1), second (+2) and third position (+3).

  6. Sequence analysis - Wikipedia

    en.wikipedia.org/wiki/Sequence_analysis

    It is the first step in sequence analysis to limit wrong conclusions due to poor quality data. The tools used at this stage depend on the sequencing platform. For instance, FastQC checks the quality of short reads (including RNA sequences), Nanoplot or PycoQC are used for long read sequences (e.g. Nanopore sequence reads), and MultiQC ...

  7. DNA annotation - Wikipedia

    en.wikipedia.org/wiki/DNA_annotation

    Whereas prokaryotic CDS predictors mostly deal with open reading frames (ORFs), which are segments of DNA between the start and stop codons, eukaryotic CDS predictors are faced with a more difficult problem because of the complex organization of eukaryotic genes. [3] CDS prediction methods can be classified into three broad categories: [2] [31]

  8. Read (biology) - Wikipedia

    en.wikipedia.org/wiki/Read_(biology)

    Sequencing technologies vary in the length of reads produced. Reads of length 20-40 base pairs (bp) are referred to as ultra-short. [2] Typical sequencers produce read lengths in the range of 100-500 bp. [3] However, Pacific Biosciences platforms produce read lengths of approximately 1500 bp. [4] Read length is a factor which can affect the results of biological studies. [5]

  9. Gene prediction - Wikipedia

    en.wikipedia.org/wiki/Gene_prediction

    This picture shows how Open Reading Frames (ORFs) can be used for gene prediction. Gene prediction is the process of determining where a coding gene might be in a genomic sequence. Functional proteins must begin with a Start codon (where DNA transcription begins), and end with a Stop codon (where transcription ends).