N-端规则(N-end rule)
每一种蛋白质都有寿命特征,称为半衰期(half-life)。蛋白质的半衰期与多肽链N-端特异的氨基酸有关,它们对蛋白质的寿命有控制作用。如末端是精氨酸或赖氨酸的多肽,寿命就很短,而末端是缬氨酸或甲硫氨酸的多肽,寿命就很长。蛋白质N-末端与半衰期的关系,称为N端规则。
As a rule, the buyer is responsible for a ship or booking the shipping space.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
As a rule, the buyer is responsible for a ship or booking the shipping space.
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