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	<title>膜蛋白质 - 版本历史</title>
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		<title>123.130.221.191：建立内容为“[[钾离子通道钾通道 Kv1.2/2.1 嵌合体的晶体结构。双层脂膜的计算烃边界是由红色和蓝色…”的新页面</title>
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		<updated>2021-07-21T16:21:22Z</updated>

		<summary type="html">&lt;p&gt;建立内容为“&lt;a href=&quot;/%E6%96%87%E4%BB%B6:2r9r_opm.png&quot; title=&quot;文件:2r9r opm.png&quot;&gt;thumb|300px|[[钾离子通道&lt;/a&gt;&lt;a href=&quot;/index.php?title=%E9%92%BE%E9%80%9A%E9%81%93&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;钾通道（页面不存在）&quot;&gt;钾通道&lt;/a&gt; Kv1.2/2.1 &lt;a href=&quot;/%E5%B5%8C%E5%90%88%E4%BD%93&quot; title=&quot;嵌合体&quot;&gt;嵌合体&lt;/a&gt;的晶体结构。&lt;a href=&quot;/index.php?title=%E5%8F%8C%E5%B1%82%E8%84%82%E8%86%9C&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;双层脂膜（页面不存在）&quot;&gt;双层脂膜&lt;/a&gt;的计算烃边界是由红色和蓝色…”的新页面&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新页面&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Image:2r9r_opm.png|thumb|300px|[[钾离子通道]][[钾通道]] Kv1.2/2.1 [[嵌合体]]的晶体结构。[[双层脂膜]]的计算烃边界是由红色和蓝色点表示。]]&lt;br /&gt;
&lt;br /&gt;
'''膜蛋白'''({{lang|en|Membrane Protein}})是指能够结合或整合到[[细胞]]或[[细胞器]]的膜上的[[蛋白质]]的总称。而细胞中一半以上的蛋白质可以与膜以不同形式结合。根据与膜结合强度的不同，膜蛋白可以被分为两类：[[膜蛋白|外周膜蛋白]]和[[膜蛋白|内在膜蛋白]]。&lt;br /&gt;
&lt;br /&gt;
==主要类型==&lt;br /&gt;
*内在膜蛋白是整合于膜上的蛋白质，总是与膜结合在一起。可以定义为需要通过人工加入[[去垢剂]]（如[[SDS]]或Triton X-100）或其他非极性溶剂才能够从膜中分离出来的蛋白质。内在膜蛋白还可以根据与双分子膜之间结合关系的差异细分为：&lt;br /&gt;
**[[跨膜蛋白]]，顾名思义即跨越膜的两端的蛋白质，其跨膜部分为β桶或α螺旋结构；&lt;br /&gt;
**单向内在膜蛋白，其只从一个方向（膜外或膜内）与膜结合，虽然部分插入膜中，但不跨膜。&lt;br /&gt;
*外周膜蛋白是能够暂时与膜或内在膜蛋白结合的蛋白质，主要是通过[[疏水性|疏水]]、[[静电学|静电]]和其他非[[共价键|共价]]相互作用来进行结合，这种结合可以通过加入极性试剂，如高pH或高盐溶液来破坏。&lt;br /&gt;
&lt;br /&gt;
内在膜蛋白和[[外周膜蛋白]]都可以被[[翻译后修饰]]，如加上[[脂肪酸]]链和[[异戊二烯化]]（Prenylation），有助于与[[脂膜]]的结合。&lt;br /&gt;
&lt;br /&gt;
==参见==&lt;br /&gt;
*[[内在膜蛋白]]&lt;br /&gt;
**[[跨膜蛋白]]&lt;br /&gt;
*[[外周膜蛋白]]&lt;br /&gt;
*[[离子泵]]&lt;br /&gt;
*[[运输蛋白]]&lt;br /&gt;
*[[离子通道]]&lt;br /&gt;
*[[受体]]&lt;br /&gt;
&lt;br /&gt;
==参考文献==&lt;br /&gt;
&lt;br /&gt;
{{Reflist}}&lt;br /&gt;
&lt;br /&gt;
==延伸阅读==&lt;br /&gt;
&lt;br /&gt;
{{refbegin}}&lt;br /&gt;
*''[[Protein]]-lipid interactions'' (Ed. L.K. Tamm) Wiley, 2005.&lt;br /&gt;
*Popot J-L. and Engelman D.M. 2000. Helical membrane protein folding, stability, and evolution. ''Annu. Rev. Biochem.'' 69: 881-922.&lt;br /&gt;
*Bowie J.U. 2005. Solving the membrane protein folding problem. ''Nature'' 438: 581-589.&lt;br /&gt;
*Cho, W. and Stahelin, R.V. 2005. Membrane-protein interactions in cell signaling and membrane trafficking. ''Annu. Rev. Biophys. Biomol. Struct.'' 34: 119–151.&lt;br /&gt;
*Goni F.M. 2002. Non-permanent proteins in membranes: when proteins come as visitors. ''Mol. Membr. Biol.'' 19: 237-245.&lt;br /&gt;
*Johnson J.E. and Cornell R.B. 1999. Amphitropic proteins: regulation by reversible membrane interactions. ''Mol. Membr. Biol.'' 16: 217-235.&lt;br /&gt;
*Seaton B.A. and Roberts M.F. Peripheral membrane proteins. pp. 355-403. In ''Biological Membranes'' (Eds. K. Mertz and B.Roux), Birkhauser Boston, 1996.&lt;br /&gt;
{{refend}}&lt;br /&gt;
&lt;br /&gt;
==外部链接==&lt;br /&gt;
&lt;br /&gt;
===组织===&lt;br /&gt;
*[http://memprotein.org Membrane Protein Structural Dynamics Consortium]&lt;br /&gt;
*[http://www.uwmembraneproteins.org Transmembrane Protein Center] at [[University of Wisconsin-Madison]]&lt;br /&gt;
&lt;br /&gt;
==='''膜蛋白质'''数据库===&lt;br /&gt;
*[http://blanco.biomol.uci.edu/Membrane_Proteins_xtal.html List of transmembrane proteins of known 3D structure]&lt;br /&gt;
*[http://www.tcdb.org/ TCDB] - [[Transporter Classification database]]&lt;br /&gt;
*[http://opm.phar.umich.edu/ Orientations of Proteins in Membranes (OPM) database] 3D structures of integral and peripheral membrane proteins arranged in the lipid bilayer&lt;br /&gt;
*[http://www.mpdb.tcd.ie/ Membrane PDB] Database of 3D structures of integral membrane proteins and hydrophobic peptides with an emphasis on crystallization conditions&lt;br /&gt;
*[http://pdbtm.enzim.hu/ Protein Data Bank of Transmembrane Proteins] 3D models of all transmembrane proteins currently in PDB.  Approximate positions of membrane boundary planes were calculated for each PDB entry.&lt;br /&gt;
*[http://www.membranetransport.org/ TransportDB] Genomics-oriented database of transporters from TIGR&lt;br /&gt;
*[http://proteomics.bioengr.uic.edu/metador/MeTaDoR.html Membrane targeting domains (MeTaDoR)]&lt;br /&gt;
&lt;br /&gt;
===延伸阅读===&lt;br /&gt;
*[http://www.biomedcentral.com/1741-7007/7/50 The Human Membrane Proteome] - A comprehensive article covering the transmembrane protein component of the human proteome&lt;br /&gt;
{{-}}&lt;br /&gt;
{{细胞膜}}&lt;br /&gt;
{{Protein topics}}&lt;br /&gt;
&lt;br /&gt;
[[Category:膜蛋白| ]]&lt;br /&gt;
==参考来源==&lt;br /&gt;
*[http://zh.wikipedia.org/wiki/%E8%86%9C%E8%9B%8B%E7%99%BD%E8%B4%A8 维基百科-膜蛋白质]&lt;/div&gt;</summary>
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