Protein Crystal Growth in Microgravity

来源 :Science in China(Series B) | 被引量 : 0次 | 上传用户:Taosnowball
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Protein crystal growth is quite important for the determination of protein structureswhich are essential to the understanding of life at molecular level as well as to the development of molecu-lar biotechnology.The microgravity environment of space is an ideal place to study the complicated pro-tein crystallization and to grow good-quality protein crystals.A number of crystal-growth experiments of10 different proteins were carried out in August,1992 on the Chinese re-entry satellite FSW-2 in spaceusing a tube crystallization equipment made in China.A total of 25 samples from 6 proteins producedcrystals,and the effects of microgravity on protein crystal growth were observed,especially for an acidicphospholipase A2 and henegg-white lysozyme which gave better crystals in space than earth-grown crys-tals in ground control experiments.The results have shown that the microgravity in space favors the im-provement of the size,perfection,morphology and internal order of the grown protein crytals. Protein crystal growth is quite important for the determination of protein structureswhich are essential to the understanding of life at molecular level as well as to the development of molecular-lar biotechnology. Micr micrvity environment of space is an ideal place to study the complicated pro-tein Crystallization and to grow good-quality protein crystals. A number of crystal-growth experiments of 10 different proteins were carried out in August, 1992 on the Chinese re-entry satellite FSW-2 in space using a tube crystallization equipment made in China. A total of 25 samples from 6 proteins produced crystals, and the effects of microgravity on protein crystal growth were observed, especially for an acidic phospholipase A2 and henegg-white lysozyme which gave better crystals in space than earth-grown crys-tals in ground control experiments. The results have shown that the microgravity in space favors the im-provement of the size, perfection, morphology and internal order of the grown protein crytal s.
其他文献
表象教学法,是借鉴于运动心理训练的一种体育教学方法。它是在体育教学过程中,根据课的任务、教学内容、动作要领及结构特点,按教学程 The appearance teaching method is
高速公路隧道防排水工程施工往往是一个薄弱环节,却也是隧道工程质量管理的一个重要环节,它直接影响到行车安全和畅通及隧道的使用寿命。本文就高速公路隧道防排水工程质量管
2012年,传统的出版面临着数字出版的更大冲击和压力,如何转型,如何找到更加适合传统出版商数字化的道路和赢利模式,如何实现技术和内容的更好融合,实现产业升级,是所有传统出版商都必须面对的课题。为此,本刊采访10家出版商的数字发展动态,从战略转移,到业务创意,对过去一年的重要决策和变化进行梳理,供国内同行参考。  2012年,数字出版已经进入到攻坚克难的发展阶段。这一年,传统出版商和新兴数字出版商都
在隧道小半径曲线段盾构施工时,管片容易发生破损现象,这对隧道的质量、安全性和耐久性影响很大。以武汉地铁2号线越江隧道盾构区间的一个连续小半径曲线段-缓和曲线段-直线
一年又一年的会计技能大赛,不仅展示了职业学校师生的风采,也提高了广大职校学生技能训练的积极性。但是和教育部门举办技能大赛,提高会计专业课整体教学水平的初衷还有一定
目的了解西部某医学院校大学生自测健康状况及其影响因素,为改善医学生的健康状况提供参考依据。方法分层整群抽取西部某医学院校一~四年级在校本科生1 547名,采用自测健康评
本文通过2006年首届中美继续教育论坛各论题的介绍,分析了中美两国继续教育在终身教育、网络教育和国际化等方面呈现出的特点和发展趋势,探讨了对我国继续教育发展的启示,阐
现代市场经济为什么需要政府?首先,现代社会中的每一个人都离不开政府的帮助。其次,为市场的有效运行建立和维持秩序,不能没有政府。其三,收入分配不公、外部不经济、经济总量失衡
目的探讨不同孕周起始应用胰岛素治疗妊娠期糖尿病(GDM)对妊娠结局的影响。方法选取在该院接受治疗并分娩的74例GDM患者作为研究对象,其中44例在32孕周前使用胰岛素治疗(A组)
鸡西矿业集团公司张辰煤矿西三采区3
期刊