ANIMAL FERRITIN AND BACTERIOFERRITIN CONTAIN QUINONES

被引:10
作者
ALMASSAD, FK [1 ]
KADIR, FHA [1 ]
MOORE, GR [1 ]
机构
[1] UNIV E ANGLIA,CTR METALLOPROT SPECT & BIOL,SCH CHEM SCI,NORWICH NR4 7TJ,NORFOLK,ENGLAND
基金
英国惠康基金;
关键词
D O I
10.1042/bj2830177
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
The origin of the 440 nm fluorescence of horse spleen ferritin and of Pseudomonas aeruginosa and Azotobacter vinelandii bacterioferritin has been investigated using a Nitro Blue Tetrazolium/glycinate colorimetric test specific for quinones [Paz, Fluckiger, Boak, Kagan & Gallop (1991) J. Biol. Chem. 266, 689-692]. The results of the analysis indicate that ferritin and bacterioferritins contain quinones. A possible functional role of these quinones in iron uptake and release is described, as is the possibility that the presence of quinones in these proteins results from oxidative damage.
引用
收藏
页码:177 / 180
页数:4
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