ID:BARX1_MOUSE DESCRIPTION: RecName: Full=Homeobox protein BarH-like 1; FUNCTION: Transcription factor, which is involved in craniofacial development, in odontogenesis and in stomach organogenesis. May have a role in the differentiation of molars from incisors. Plays a role in suppressing endodermal Wnt activity. Binds to a regulatory module of the NCAM promoter. SUBCELLULAR LOCATION: Nucleus (Probable). TISSUE SPECIFICITY: Expressed predominantly in the facial primordia, developing stomach, and proximal limbs. DEVELOPMENTAL STAGE: Expressed in areas of the first and second branchial arches, before any apparent cellular or morphologic differentiation. Later in development, all expressing tissue in this region, including the mesenchyme underlying the olfactory epithelium, the primary and secondary palate, the molar tooth papillae, and the stroma of the submandibular gland, appear to be derived from ectomesenchyme of neural crest origin. By day 16.5, all areas except the developing molars are BARX1-negative. In addition, BARX1 marks the area of the future stomach in the primitive gut at embryonic day 9.5, and is present in the mesenchymal wall of the stomach until embryonic day 16.5. SIMILARITY: Belongs to the BAR homeobox family. SIMILARITY: Contains 1 homeobox DNA-binding domain.
The RNAfold program from the Vienna RNA Package is used to perform the secondary structure predictions and folding calculations. The estimated folding energy is in kcal/mol. The more negative the energy, the more secondary structure the RNA is likely to have.
ModBase Predicted Comparative 3D Structure on Q9ER42
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Orthologous Genes in Other Species
Orthologies between human, mouse, and rat are computed by taking the best BLASTP hit, and filtering out non-syntenic hits. For more distant species reciprocal-best BLASTP hits are used. Note that the absence of an ortholog in the table below may reflect incomplete annotations in the other species rather than a true absence of the orthologous gene.
Gene Ontology (GO) Annotations with Structured Vocabulary
Molecular Function: GO:0000977 RNA polymerase II regulatory region sequence-specific DNA binding GO:0001228 transcriptional activator activity, RNA polymerase II transcription regulatory region sequence-specific binding GO:0003677 DNA binding GO:0043565 sequence-specific DNA binding
Biological Process: GO:0006351 transcription, DNA-templated GO:0006355 regulation of transcription, DNA-templated GO:0006357 regulation of transcription from RNA polymerase II promoter GO:0006366 transcription from RNA polymerase II promoter GO:0007267 cell-cell signaling GO:0009888 tissue development GO:0009952 anterior/posterior pattern specification GO:0030178 negative regulation of Wnt signaling pathway GO:0030855 epithelial cell differentiation GO:0045944 positive regulation of transcription from RNA polymerase II promoter GO:0048513 animal organ development GO:0048536 spleen development GO:0048856 anatomical structure development GO:0055123 digestive system development GO:0007399 nervous system development
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