Abstract:
:A fragment of human gene for pregnancy-specific beta 1-glycoprotein(s), recently identified CEA family member(s), has been cloned. Analyses of nucleotide and deduced amino acid sequences revealed that it carried, from 5' to 3' direction, exons IA, IB, IIA, IIB, C3, C1 and C2, the first four encoding peptides distinct from but highly similar to domains of PS beta Gs. The lack of consensus 3' splice site sequence ahead of IB indicated that it was an abortive exon, which would explain the peculiar domain construction of PS beta Gs, i.e. N-IA-IIA-IIB-C1, 2 or 3. Apparently, the multiple C-terminal sequences for a PS beta G were generated by alternative splicing among C1, C2 and C3 exons. Furthermore, sequences which overlapped partly with Cexons, were found to be similar to parts of 3'-UTR of CEA and NCA, indicating further the close relationship of CEA/NCA and PS beta G subfamily genes.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Oikawa S,Inuzuka C,Kosaki G,Nakazato Hdoi
10.1016/s0006-291x(88)80806-4subject
Has Abstractpub_date
1988-10-14 00:00:00pages
68-77issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(88)80806-4journal_volume
156pub_type
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