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单词 porin
释义

porin

/ˈpɔːrɪn /
noun Biochemistry
Any of a class of proteins whose molecules can form channels (large enough to allow the passage of small ions and molecules) through cellular membranes.These molecular sieving properties are due to a major class of proteins called porins that form trimeric channels in the outer membrane....
  • This function is accomplished by a number of membrane channel proteins called porins, which display a wide range of permeability profiles.
  • Bacterial outer membrane porins are classified into channels specific for the uptake of nutrients, such as maltose or sucrose, and unspecific pore proteins.

Origin

1970s: from Greek poros 'pore' + -in1.

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更新时间:2025/3/22 18:13:40