共 50 条
A conserved asparagine has a structural role in ubiquitin-conjugating enzymes
被引:0
|作者:
Berndsen C.E.
[1
,2
,3
]
Wiener R.
[1
,2
]
Yu I.W.
[1
]
Ringel A.E.
[1
]
Wolberger C.
[1
,2
]
机构:
[1] Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD
[2] Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD
[3] Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA
基金:
美国国家科学基金会;
关键词:
D O I:
10.1038/nchembio.1159
中图分类号:
学科分类号:
摘要:
It is widely accepted that ubiquitin-conjugating enzymes contain an active site asparagine that serves as an oxyanion hole, thereby stabilizing a negatively charged transition state intermediate and promoting ubiquitin transfer. Using structural and biochemical approaches to study the role of the conserved asparagine to ubiquitin conjugation by Ubc13-Mms2, we conclude that the importance of this residue stems primarily from its structural role in stabilizing an active site loop. © 2013 Nature America, Inc. All rights reserved.
引用
收藏
页码:154 / 156
页数:2
相关论文