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Cloning and characterization of the gene encoding murine insulin-like growth factor-binding protein-2, mIGFBP-2. 1993

J Landwehr, and K Kaupmann, and G Heinrich, and J Schwander
Zentrum für Lehre und Forschung, Kantonsspital, Basel, Switzerland.

We present a characterization of the single-copy gene, mIGFBP-2, encoding the murine insulin-like growth factor-binding protein-2 (mIGFBP-2). It consists of four exons with sizes of 470 +/- 2, 227, 141 and > 475 nucleotides (nt). The first intron spans 23 kb of genomic sequence, and the complete gene extends to more than 28 kb. Two kb of the 5'-flanking region were sequenced. This region has no TATA or CAAT boxes but is G+G-rich and contains several potential regulatory sequence motifs. A total of five GC boxes, which may serve as potential binding sites for a transcription factor, Sp1, are present immediately upstream of the transcription start point (tsp). By primer extension, we identified a single tsp at nt position -85 +/- 2. The murine IGFBP-2 locus was mapped to the proximal region of mouse chromosome 1, to a region of conserved synteny with human chromosome 2q. A comparison of the deduced amino acid sequences of mouse, rat and human IGFBP-2 reveals a high degree of homology between all three species.

UI MeSH Term Description Entries
D008297 Male Males
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
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
D002352 Carrier Proteins Proteins that bind or transport specific substances in the blood, within the cell, or across cell membranes. Binding Proteins,Carrier Protein,Transport Protein,Transport Proteins,Binding Protein,Protein, Carrier,Proteins, Carrier
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D003433 Crosses, Genetic Deliberate breeding of two different individuals that results in offspring that carry part of the genetic material of each parent. The parent organisms must be genetically compatible and may be from different varieties or closely related species. Cross, Genetic,Genetic Cross,Genetic Crosses
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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