A new ribonuclease from the black oyster mushroom Pleurotus ostreatus

被引：14
|
作者：
Wang, HX
Ng, TB [1 ]
机构：
[1] Chinese Univ Hong Kong, Fac Med, Dept Biochem, Shatin, Hong Kong, Peoples R China
[2] China Agr Univ, Dept Microbiol, Beijing, Peoples R China
[3] State Key Lab Agrobiotechnol, Beijing, Peoples R China
来源：
PEPTIDES | 2004年 / 25卷 / 04期
关键词：
D O I：
10.1016/j.peptides.2004.01.017
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：
A ribonuclease that is co-specific for poly C and poly U has been isolated from the fruiting bodies of the black oyster mushroom. The enzyme possesses a molecular mass of 14 kDa, and is unadsorbed on DEAE-cellulose and adsorbed on Affi-gel blue gel and CM-cellulose. A pH of 7 is required for the enzyme to exhibit maximal activity. The activity of the enzyme does not vary appreciably over the temperature range 30-60 degreesC, but drops when the temperature is reduced to 20 degreesC or raised to and above 70 degreesC. The ribonuclease does not exert any inhibitory activity toward HIV-1 reverse transcriptase. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码：685 / 687
页数：3
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