共查询到20条相似文献,搜索用时 8 毫秒
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Engelman DM 《Nature》2005,438(7068):578-580
The wealth of new data on membrane protein structures and functions is changing our general view of membrane architecture. Some of the key themes that are emerging are that membranes are patchy, with segregated regions of structure and function, that lipid regions vary in thickness and composition, and that crowding and ectodomains limit exposure of lipid to the adjacent aqueous regions. 相似文献
15.
16.
17.
18.
19.
20.
Evershed RP Berstan R Grew F Copley MS Charmant AJ Barham E Mottram HR Brown G 《Nature》2004,432(7013):35-36
The discovery of a small tin canister in London during archaeological excavations of a Roman temple precinct, dated to the middle of the second century AD, is a landmark in the study of this class of artefact. Such discoveries from the Roman world are rare and this is the only one to be found so far with its lid and contents--a whitish medicinal or cosmetic cream--providing a unique opportunity for us to study the ancient formulation. 相似文献