Abstract:
:Recently, various cDNA sequences coding protein-tyrosine phosphatases (PTPs) have been reported and their extensive similarities in the catalytic domains clarified, but knowledge of the structures and organizations of their genes is still limited. In this study, a detailed structure and organization of the human intracellular LC-PTP (also called HePTP) gene is reported. The 13 to 18.5 kb genomic clones encoding human LC-PTP have been isolated. The LC-PTP gene is organized into 11 exons, including the 5'-noncoding first exon and the 3'-noncoding exon. Splicing sites for exons 4 to 10, which encode the conserved catalytic PTP domain, arise almost at the same position as for the CD45 gene. This elucidation of the LC-PTP gene structure provides insight into the domain evolution of intracellular LC-PTP and transmembrane CD45, which may be generated by gene duplications of an ancestral gene.
journal_name
Oncogenejournal_title
Oncogeneauthors
Adachi M,Miyachi T,Sekiya M,Hinoda Y,Yachi A,Imai Ksubject
Has Abstractpub_date
1994-10-01 00:00:00pages
3031-5issue
10eissn
0950-9232issn
1476-5594journal_volume
9pub_type
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