Cells use phosphorus to make membranes, proteins, DNA.
细胞利用磷来制造细胞膜蛋白质和 DNA。
Membrane protein
原声例句
PBS趣味科普
Osmosis-微生物
Now, west nile virus enters host cells using a lipid membrane protein called E2 in a process called clathrin-mediated endocytosis.
西尼罗河病毒利用脂质双分子层上的包膜蛋白（E）通过网格蛋白介导的内吞作用进入宿主细胞。
名人演讲综合
Our research aims to reveal the atomic structures of membrane proteins that take sugars, calcium ions, and sodium ions into our cells.
我们的研究旨在揭示将糖、钙离子和钠离子带入我们细胞的膜蛋白的原子结构。
中文百科
膜蛋白质
![钾离子信道钾信道 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。](/Images/godic/202501/26/2r9r_opm5634.png")
膜蛋白（英语：membrane protein）是指能够结合或集成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：外周膜蛋白和内在膜蛋白。
英语百科
Membrane protein 膜蛋白质
![Crystal structure of Potassium channel Kv1.2/2.1 Chimera. Calculated hydrocarbon boundaries of the lipid bilayer are indicated by red and blue dots.](/Images/godic/202501/26/2r9r_opm5635.png")
![Schematic representation of transmembrane proteins:
1. a single transmembrane α-helix (bitopic membrane protein)
2. a polytopic transmembrane α-helical protein
3. a polytopic transmembrane β-sheet protein
The membrane is represented in light-brown.](/Images/godic/202501/26/Polytopic_membrane_protein5635.png")
![Schematic representation of the different types of interaction between monotopic membrane proteins and the cell membrane:
1. interaction by an amphipathic α-helix parallel to the membrane plane (in-plane membrane helix)
2. interaction by a hydrophobic loop
3. interaction by a covalently bound membrane lipid (lipidation)
4. electrostatic or ionic interactions with membrane lipids (e.g. through a calcium ion)](/Images/godic/202501/26/Monotopic_membrane_protein.svg5635.png")
![Les différentes catégories de protéines membranaires monotopiques. La membrane est représentée en brun clair.1. interaction par une hélices α amphipathique parallèle au plan de la membrane ;2. interaction par une boucle hydrophobe ;3. interaction par liaison covalente avec un lipide membranaire (lipidation) ;4. interaction par liaison electrostatique directe ou indirecte (p.ex. via un ion calcium) avec les lipides membranaires;](/Images/godic/202501/26/Monotopic_membrane_protein5635.png")
Membrane proteins are proteins that interact with, or are part of, biological membranes. They include integral membrane proteins that are permanently anchored to the membrane and peripheral membrane proteins which are only temporarily attached to the lipid bilayer or to integral proteins. The integral membrane proteins are classified as transmembrane proteins that span across the membrane and integral monotopic proteins that are attached to only one side of the membrane. Membrane proteins are are a common type of proteins along with soluble globular proteins, fibrous proteins, and disordered proteins. They are targets of over 50% of all modern medicinal drugs. It is estimated that 20–30% of all genes in most genomes encode membrane proteins.
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