MULLET PLASMA - SERUM AMINE OXIDASE AND CERULOPLASMIN - PURIFICATION AND PROPERTIES

被引:2
作者
COGONI, A [1 ]
FARCI, R [1 ]
CAU, A [1 ]
MELIS, A [1 ]
MEDDA, R [1 ]
FLORIS, G [1 ]
机构
[1] UNIV CAGLIARI, IST ZOOL, I-09125 CAGLIARI, ITALY
来源
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLOGY & PHARMACOLOGY | 1990年 / 95卷 / 02期
关键词
D O I
10.1016/0742-8413(90)90121-O
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
1. 1. An amine oxidase (MSAO) and a ceruloplasmin (MSC) have been purified to homogeneity from Mugil cephalus serum. 2. 2. Gel chromatography and SDS-PAGE indicate that MSAO may be a dimer (Mr 190,000) of identical subunits while MSC is composed of one unit only with a Mr of 118,000. 3. 3. The absorption spectrum of MSAO is similar to other serum amine oxidases and the carbonyl cofactor may be pyrrolo-quinolin quinone. 4. 4. MSC contains 6 copper ions per mole of protein and is a glycoprotein containing about 20% carbohydrate by weight. © 1990.
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页码:297 / 300
页数:4
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