An estrogen binding proteinaceous substance, its possible role in estrogen action, and potential use.
申请人:Rao, Ramanath B.
公开号:EP0939084A1
公开(公告)日:1999-09-01
The invention relates to an estrogen binding proteinaceous substance. The substance is different from the classical cytosol or nuclear ER (type I and II) in a number of characteristics. The novel estrogen binding substances according to the invention will be collectively referred to as estrogen binding protein (EBP).
The invention provides a murine estrogen binding proteinaceous substance or a mammalian equivalent thereof, the murine substance comprising a subunit having a molecular weight of about 61-67 kD as analyzed by SDS-PAGE.
In its active form this proteinaceous substance usually appears as a heterodimer, whereby one subunit of the murine substance is the 61-67 kD proteinaceous substance and the other subunit is a 17-22kD proteinaceous substance, whereby the resulting heterodimer has a molecular weight of about 81-84 kD as measured by gel electrophoresis.
The genes encoding EBP and antibodies directed against EBP are also part of the invention.
本发明涉及一种雌激素结合蛋白物质。这种物质与经典的细胞质或细胞核 ER(I 型和 II 型)有许多不同之处。根据本发明的新型雌激素结合物质统称为雌激素结合蛋白(EBP)。
本发明提供了一种鼠类雌激素结合蛋白物质或其哺乳动物等效物,鼠类物质包括一个亚基,经 SDS-PAGE 分析,其分子量约为 61-67 kD。
在其活性形式中,这种蛋白物质通常表现为异源二聚体,其中鼠类物质的一个亚基是 61-67 kD 的蛋白物质,另一个亚基是 17-22 kD 的蛋白物质,由此产生的异源二聚体经凝胶电泳测定的分子量约为 81-84 kD。
编码 EBP 的基因和针对 EBP 的抗体也是本发明的一部分。