Genomic organization and promoter structure of the human EXT1 gene. 1997

H J Lüdecke, and J Ahn, and X Lin, and A Hill, and M J Wagner, and L Schomburg, and B Horsthemke, and D E Wells
Institut für Humangenetik, Universitätsklinikum, Essen, Germany. b.horsthemke@uni-essen.de

Hereditary predisposition to multiple exostoses is a genetically heterogeneous disease. Recently, we have reported the identification of the EXT1 gene on human chromosome 8. We have now isolated a cDNA clone from a human adult lung cDNA library and have determined the genomic organization and promoter structure of the EXT1 gene. The gene is composed of 11 exons, ranging from 90 to 1735 bp, and spans approximately 350 kb of genomic DNA. Sequence analysis of the promoter region revealed the presence of a CpG island containing GC and CAAT boxes, but no TATA box. Such a promoter is characteristic for housekeeping genes. This finding is in good agreement with the ubiquitous expression of the EXT1 gene.

UI MeSH Term Description Entries
D008168 Lung Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood. Lungs
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D011401 Promoter Regions, Genetic DNA sequences which are recognized (directly or indirectly) and bound by a DNA-dependent RNA polymerase during the initiation of transcription. Highly conserved sequences within the promoter include the Pribnow box in bacteria and the TATA BOX in eukaryotes. rRNA Promoter,Early Promoters, Genetic,Late Promoters, Genetic,Middle Promoters, Genetic,Promoter Regions,Promoter, Genetic,Promotor Regions,Promotor, Genetic,Pseudopromoter, Genetic,Early Promoter, Genetic,Genetic Late Promoter,Genetic Middle Promoters,Genetic Promoter,Genetic Promoter Region,Genetic Promoter Regions,Genetic Promoters,Genetic Promotor,Genetic Promotors,Genetic Pseudopromoter,Genetic Pseudopromoters,Late Promoter, Genetic,Middle Promoter, Genetic,Promoter Region,Promoter Region, Genetic,Promoter, Genetic Early,Promoter, rRNA,Promoters, Genetic,Promoters, Genetic Middle,Promoters, rRNA,Promotor Region,Promotors, Genetic,Pseudopromoters, Genetic,Region, Genetic Promoter,Region, Promoter,Region, Promotor,Regions, Genetic Promoter,Regions, Promoter,Regions, Promotor,rRNA Promoters
D011506 Proteins Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
D005091 Exons The parts of a transcript of a split GENE remaining after the INTRONS are removed. They are spliced together to become a MESSENGER RNA or other functional RNA. Mini-Exon,Exon,Mini Exon,Mini-Exons
D005097 Exostoses, Multiple Hereditary Hereditary disorder transmitted by an autosomal dominant gene and characterized by multiple exostoses (multiple osteochondromas) near the ends of long bones. The genetic abnormality results in a defect in the osteoclastic activity at the metaphyseal ends of the bone during the remodeling process in childhood or early adolescence. The metaphyses develop benign, bony outgrowths often capped by cartilage. A small number undergo neoplastic transformation. Chondrodysplasia, Hereditary Deforming,Diaphyseal Aclasis,Exostoses, Familial,Exostoses, Hereditary Multiple,Exostoses, Multiple,Exostoses, Multiple Cartilaginous,Hereditary Multiple Exostoses,Osteochondromas, Multiple,Bessel-Hagen Disease,Exostoses, Multiple, Type I,Exostosis, Familial,Exostosis, Hereditary Multiple,Exostosis, Multiple,Exostosis, Multiple Cartilaginous,Familial Exostoses,Hereditary Multiple Exostosis,Multiple Cartilaginous Exostoses,Multiple Hereditary Exostoses,Multiple Osteochondromas,Multiple Osteochondromatosis,Aclases, Diaphyseal,Aclasis, Diaphyseal,Cartilaginous Exostoses, Multiple,Cartilaginous Exostosis, Multiple,Chondrodysplasias, Hereditary Deforming,Deforming Chondrodysplasia, Hereditary,Deforming Chondrodysplasias, Hereditary,Diaphyseal Aclases,Familial Exostosis,Hereditary Deforming Chondrodysplasia,Hereditary Deforming Chondrodysplasias,Hereditary Exostoses, Multiple,Multiple Cartilaginous Exostosis,Multiple Exostoses,Multiple Exostoses, Hereditary,Multiple Exostosis,Multiple Exostosis, Hereditary,Multiple Osteochondroma,Osteochondroma, Multiple
D005796 Genes A category of nucleic acid sequences that function as units of heredity and which code for the basic instructions for the development, reproduction, and maintenance of organisms. Cistron,Gene,Genetic Materials,Cistrons,Genetic Material,Material, Genetic,Materials, Genetic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001482 Base Composition The relative amounts of the PURINES and PYRIMIDINES in a nucleic acid. Base Ratio,G+C Composition,Guanine + Cytosine Composition,G+C Content,GC Composition,GC Content,Guanine + Cytosine Content,Base Compositions,Base Ratios,Composition, Base,Composition, G+C,Composition, GC,Compositions, Base,Compositions, G+C,Compositions, GC,Content, G+C,Content, GC,Contents, G+C,Contents, GC,G+C Compositions,G+C Contents,GC Compositions,GC Contents,Ratio, Base,Ratios, Base

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