module6 Flashcards

1
Q

carboxyl group

A

COOH, 羧基

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2
Q

peptide bond

A

肽键-CO-NH-

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3
Q

dehydration synthesis

A

脱水缩合

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4
Q

cofactors

A

辅助因子指的是金属离子,比如有些反应必须依赖这些离子才能进行。

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5
Q

nucleotide

A

核苷酸

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6
Q

DNA polymerase

A

DNA聚合酶

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7
Q

coenzymes

A

辅酶,可和酶分离

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8
Q

Hydrocarbyl

A

烃基,CH4

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9
Q

apoenzyme

A

酶蛋白

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10
Q

holoenzyme

A

全酶

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11
Q

2,3-bisphosphoglycerate

A

BPG 结构上有两个磷酸基(所以叫 bis-phospho)

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12
Q

coenzyme

A

辅酶,可和酶分离

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13
Q

myoglobin

A

肌红蛋白

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14
Q

reversible enzyme inhibition

A

可逆酶抑制作用

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15
Q

Hydrocarbyl

A

烃基,氢氧基

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16
Q

heme

A

血红素
它是一个含铁的环状分子,能和氧气结合。

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17
Q

Adenosine

18
Q

prosthetic group

A

辅基,与酶紧密结合或共价连接的辅酶通常称为辅基。

19
Q

induced fit

A

诱导契合

20
Q

conformation selection

A

构象选择

21
Q

Gibbs Free Energy

A

自由能,计算是生成物-反应物,小于0反应Spontaneous ,自发意味着不需能量输入。

22
Q

endergonic

A

吸能, ΔG 为正值时候干的

23
Q

enthalpy

24
Q

Desolvation

A

去溶剂化

25
tetrahedral
四面体构型
26
amide bond
酰胺含-CO-NH-的
27
Triprotic
Triprotic 在化学中指的是一种酸,这种酸每个分子可以释放或捐赠三个质子 (H⁺)。 简单来说,就是这种酸在完全中和反应中,需要三个氢氧根离子 (OH⁻) 或其他碱性物质来完全反应。 举例来说: 磷酸 (H₃PO₄) 是最常见的 triprotic 酸。它可以分三步解离,每一步释放一个质子: H₃PO₄ ⇌ H₂PO₄⁻ + H⁺ H₂PO₄⁻ ⇌ HPO₄²⁻ + H⁺ HPO₄²⁻ ⇌ PO₄³⁻ + H⁺
28
protonation state
质子化状态
29
unprotonated
去质子化的
30
denaturation
变性,二三级结构破坏但不破坏氨基酸链
31
inactivation
失活,失去其生物学活性或功能。对于酶来说,失活意味着它不再能有效地催化反应。对于结构蛋白来说,失活可能意味着它不再能提供所需的结构支持。
32
‌Lineweaver-Burk Plots
双倒数图
33
Enzyme Turnover Number
酶转换数 衡量酶活性的另一个指标是 kcat,即转换数:一个酶分子每秒能催化多少个底物转化为产物。
34
Proteases
蛋白酶
35
pancreas
胰腺
36
chymotrypsin/Trypsin
胰凝乳蛋白酶/胰蛋白酶
37
zymogens
无活性前体
38
Catalytic Triad
催化三联体
39
allosteric
变构
40
glycogen
糖原
41
catabolic
分解代谢
42
anabolic
合成代谢