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| Although proteins with internal duplications in which the two halves of the protein have opposite orientations in the membrane are quite common among the E. coli inner membrane proteins£¬we conclude that homologs with opposite membrane orientations, as well as proteins with a dual topolgy, are exceedingly rare. Possibly, protein folding and assembly are more efficient when the two oppositely oriented halves are part of a single polypeptide chain than when they aree expressed separately. |
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°®ÓëÓêÏÂ(½ð±Ò+1): 2011-10-26 12:05:31
Ѿͷ7976(½ð±Ò+5, ·ÒëEPI+1): лл ÎÒÔÙÐÞ¸ÄһϠÐÁ¿àÄãÁË 2011-10-26 16:24:51
Ѿͷ7976(½ð±Ò+5): 2011-10-30 18:35:28
°®ÓëÓêÏÂ(½ð±Ò+1): 2011-10-26 12:05:31
Ѿͷ7976(½ð±Ò+5, ·ÒëEPI+1): лл ÎÒÔÙÐÞ¸ÄһϠÐÁ¿àÄãÁË 2011-10-26 16:24:51
Ѿͷ7976(½ð±Ò+5): 2011-10-30 18:35:28
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