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Figure 1 | BMC Bioinformatics

Figure 1

From: MAPPER: a search engine for the computational identification of putative transcription factor binding sites in multiple genomes

Figure 1

Quality measures for the alignments retrieved. A. Distribution of the parameters characterizing the model (length, number of sequences and the size of the nucleotide matrix used to train the model). B. Distribution of the median and average quality of the nucleotide sequences used to build the alignments for the TRANSFAC factor-derived models. The quality variable is categorical and represents "1 – functionally confirmed factor binding site; 2 – binding of pure protein purified or recombinant, 3 – immunologically characterized binding activity of a cellular extract, 4 – binding activity characterized via a known binding sequence, 5 – binding of uncharacterized extract protein to a bona fide element, 6 – no quality assigned" (cf. TRANSFAC documentation).

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