期刊
NATURE STRUCTURAL & MOLECULAR BIOLOGY
卷 18, 期 3, 页码 389-391出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nsmb.1994
关键词
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资金
- Swedish Research Council
- Kempe Foundation
The signal recognition particle (SRP) recognizes and binds the signal sequence of nascent proteins as they emerge from the ribosome. We present here the 3.0-angstrom structure of a signal sequence bound to the Methanococcus jannaschii SRP core. Structural comparison with the free SRP core shows that signal-sequence binding induces formation of the GM-linker helix and a 180 degrees flip of the NG domain-structural changes that ensure a hierarchical succession of events during protein targeting.
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