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| Content Provider | PubMed Central |
|---|---|
| Author | Clark, A. J. Ghazal, P. Bingham, R. W. Barrett, D. Bishop, J. O. |
| Abstract | Laboratory mouse strains carry approximately 35 major urinary protein (MUP) genes per haploid genome, tightly clustered together on chromosome 4. Most belong to two main groups (Groups 1 and 2). The available evidence strongly suggests that the Group 1 genes are active while the Group 2 genes are pseudogenes. Here we present the complete sequence of a Group 1 gene and a Group 2 gene and 700 bp of flanking sequence. The sequence of the Group 1 gene is consistent with its being active. The Group 2 gene contains two stop codons and a frame-shift mutation in the reading frame defined by the Group 1 gene, and would code for a signal peptide 25 rather than 19 amino acids long. The Group 2 gene differs from the Group 1 gene in other ways: a deletion upstream of the TATA box and another in intron 3, a base change in the TATA box itself, a 2 bp duplication at the splice acceptor boundary of intron 6, an altered poly(A) addition signal and a 1-base deletion 5' to the initiation codon. Some of these differences may explain the 10- to 20-fold higher level of Group 1 mRNA in mouse liver, and the fact that Group 1 and Group 2 transcripts are mainly spliced differently. The presence of the stop codon means that the Group 2 gene is a pseudogene in the context of the Group 1 gene. However, there is some evidence that the mature hexapeptide that it would code for may have biological activity. The 12 acceptor splice sites of the two genes all contain the identical sequence ACAG at the exon boundary.(ABSTRACT TRUNCATED AT 250 WORDS) |
| Starting Page | 3159 |
| File Format | |
| ISSN | 14602075 |
| e-ISSN | 14602075 |
| Journal | The EMBO Journal |
| Issue Number | 12 |
| Volume Number | 4 |
| Language | English |
| Publisher Date | 1985-12-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Immunology and Microbiology Medicine Molecular Biology |
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