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Figure Caption
Fig. 6 CTCF promoter sequence analyses. (A) Nucleotide sequence of the 5′-flanking region of the CTCF gene. The transcription initiation site is shown as bold c. Potential transcription factor binding sites, revealed by MatInspector computer program (http://www.genomatix.de/index.html), are underlined; conserved sites in zebrafish, mouse and human are marked in bold. (B) Phylogenetic conservation of YY1 element in zebrafish, chicken, mouse and human. The binding site for YY1 factor marked by capital bold letters.
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Reprinted from Gene, 375, Pugacheva, E.M., Kwon, Y.W., Hukriede, N.A., Pack, S., Flanagan, P.T., Ahn, J.C., Park, J.A., Choi, K.S., Kim, K.W., Loukinov, D., Dawid, I.B., and Lobanenkov, V.V., Cloning and characterization of zebrafish CTCF: Developmental expression patterns, regulation of the promoter region, and evolutionary aspects of gene organization, 26-36, Copyright (2006) with permission from Elsevier. Full text @ Gene