MOLECULAR CHARACTERISTICS OF URONIC-ACID-RICH PROTEIN, A STRONG INHIBITOR OF CALCIUM-OXALATE CRYSTALLIZATION INVITRO

被引:37
作者
ATMANI, F
LACOUR, B
STRECKER, G
PARVY, P
DRUEKE, T
DAUDON, M
机构
[1] LAB BIOCH,LILLE,FRANCE
[2] HOP NECKER ENFANTS MALAD,BIOCHIM LAB B,F-75730 PARIS 15,FRANCE
关键词
D O I
10.1006/bbrc.1993.1338
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
Uronic-acid-rich protein (UAP) is a new urinary macromolecule which strongly inhibits calcium oxalate crystal formation. It is a glycoprotein with a molecular weight of about 35, 000 Da, and its carbohydrate content is 8.5%. This inhibitor is composed of two polypeptidic chains crosslinked by chondroitin sulfate. It exhibits partial structural homology with α1- microglobulin. The inhibitory activity seems to be supported by peptidic chains as determined by enzymatic assay. © 1993 Academic Press, Inc.
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页码:1158 / 1165
页数:8
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