Variation in the proregion structure of heparin-binding EGF-like growth factor precursors

被引:1
|
作者
Loukianov, EV [1 ]
Loukianova, T [1 ]
Wiedlocha, A [1 ]
Olsnes, S [1 ]
机构
[1] Norwegian Radium Hosp, Inst Canc Res, Dept Biochem, Oslo, Norway
关键词
HB-EGF; growth factor precursor; splicing variants; proregion; heparin;
D O I
10.1016/S0378-1119(98)00139-5
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
In a previous study, we have isolated and characterized cDNA encoding a novel 'short form' of heparin-binding EGF-like growth factor (SF HB-EGF) (Loukianov et al., 1997). In the present work, we have found that cDNA for SF HB-EGF and for full-length HB-EGF are each represented by two variants, which we refer to as L and P forms. The L form is the previously known form of HB-EGF cDNA and encodes a leucine in position 33. The P form described in this report, encodes a proline in codon 33. The L33P substitution is predicted to cause a significant alteration in the proregion structure of SF HB-EGF and HB-EGF. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:1 / 4
页数:4
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