WARP is a new member of the von Willebrand factor A-domain superfamily of extracellular matrix proteins

被引:32
作者
Fitzgerald, J [1 ]
Ting, ST
Bateman, JF
机构
[1] Univ Melbourne, Royal Childrens Hosp, Cell & Matrix Biol Res Unit, Murdoch Childrens Res Inst, Parkville, Vic 3052, Australia
[2] Univ Melbourne, Royal Childrens Hosp, Dept Paediat, Parkville, Vic 3052, Australia
基金
英国医学研究理事会;
关键词
von Willebrand factor A-domain; fibronectin type III repeat; extracellular matrix;
D O I
10.1016/S0014-5793(02)02579-6
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We report a new member of the von Willebrand factor A-domain protein superfamily, WARP (for von Willebrand factor A-domain-related protein). The full-length mouse WARP cDNA is 2.3 kb in size and predicts a protein of 415 amino acids which contains a signal sequence, a VA-like domain, two fibronectin type III-like repeats, and a short proline- and arginine-rich segment. WARP mRNA was expressed predominantly in chondrocytes and in vitro expression experiments in transfected 293 cells indicated that WARP is a secreted glycoprotein that forms disulphide-bonded oligomers. We conclude that WARP is a new member of the con Willebrand factor A-domain (VA-domain) superfamily of extracellular matrix proteins which may play a role in cartilage structure and function. (C) 2002 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:61 / 66
页数:6
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