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| '''TNA''',又称'''锑NA''',是[[锑星人]]的基因。 | | '''TNA''',又称'''锑NA''',是[[锑星人]]的基因。 |
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| TNA由[[锑酸]],氟代核锑(一种[[锑水化合物]]、化学式Sb<sub>5</sub>H<sub>9</sub>O<sub>4</sub>F)和[[碱基]]构成,碱基包括[[2,6-二氨基嘌呤]](缩写A)、[[胞嘧啶]](C)、[[鸟嘌呤]](G)与[[胸腺嘧啶]](T)等。 | | TNA由[[锑酸]],脱氧[[核锑糖]](一种[[锑水化合物]])和[[碱基]]构成,碱基包括[[氨基腺嘌呤|'''氨基'''腺嘌呤]](缩写A)、[[胞嘧啶]](C)、[[鸟嘌呤]](G)与[[胸腺嘧啶]](T)等。 |
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| 与DNA不同,TNA的A-T之间,G-C之间都有三条氢键,由于氢键数量多了,使得TNA可以参与更多种多样的生物超理反应。 | | 与DNA不同,TNA的A-T之间,G-C之间都有三条氢键,由于氢键数量多了,使得TNA可以参与更多种多样的生物超理反应。 |
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| == 开关 ==
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| 锑基真核生物基因的开关是在锑酸上标记的。
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| 锑酸在锑酸阻转录酶的作用下,被脱羟基,连上[[䐂]]基,导致无法转录。(右图)
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| [[File:TNA开关.png|thumb|220x220px]]
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| 䐂基锑酸在亚氯酸酶的作用下,被脱䐂基,连上羟基,可以正常转录。(左图)
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| 在锑星人体内,这两类酶都是诱导酶(即非常驻酶类),锑星人的细胞通过释放锑星人增殖激素和增殖激素释放抑制激素来调控这两类酶的合成与分解。
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| 而锑基原核生物则是使用五氟苯基或其它基团来阻止转录。
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| 一些病毒(如反智病毒,绿尸寒病毒)自带具有磷/砷/锑酸键酶活性且不受增殖激素调控的亚氯酸酶,因此可以迫使宿主细胞为自己转录。
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| == 遗传密码 ==
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| {|
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| !
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| 碱基1
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| !
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| 碱基2
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| !
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| !
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| !
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| !
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| !
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| !
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| !
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| !
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| 碱基3
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| |-
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| !
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| U
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| C
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| A
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| G
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| !
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| |-
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| ! rowspan="4" |
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| U
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| UUU
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| (Phe/F)
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| 苯丙氨酸
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| UCU
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| | rowspan="4" |
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| (Ser/S)
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| 丝氨酸
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| UAU
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| | rowspan="2" |
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| (Tyr/Y)
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| 酪氨酸
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| UGU
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| | rowspan="2" |
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| (Cys/C)
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| 半胱氨酸
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| !
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| U
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| |-
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| UUC
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| [18]轮烯基丙氨酸
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| UCC
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| UAC
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| UGC
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| !
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| C
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| |-
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| UUA
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| | rowspan="6" |
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| (Leu/L)
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| 亮氨酸
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| UCA
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| UAA[B]
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| 终止(赭石)
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| UGA[B]
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| 终止(蛋白石)
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| !
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| A
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| |-
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| UUG
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| UCG
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| UAG[B]
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| 终止(琥珀)
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| UGG
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| (Trp/W)色氨酸
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| !
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| G
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| |-
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| ! rowspan="4" |
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| ''C''
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| CUU
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| CCU
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| | rowspan="4" |
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| (Pro/P)
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| 脯氨酸
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| CAU
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| | rowspan="2" |
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| (His/H)
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| 组氨酸
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| CGU
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| | rowspan="2" |
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| (Arg/R)
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| 精氨酸
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| !
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| U
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| |-
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| CUC
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| CCC
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| CAC
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| CGC
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| !
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| C
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| |-
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| CUA
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| CCA
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| CAA
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| | rowspan="2" |
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| (Gln/Q)
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| 谷氨酰胺
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| CGA
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| | rowspan="2" |[[䓬丙氨酸]]
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| !
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| A
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| |-
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| CUG
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| CCG
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| CAG
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| CGG
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| !
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| G
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| |-
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| ! rowspan="4" |
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| ''A''
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| AUU
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| | rowspan="3" |
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| (Ile/I)
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| 异亮氨酸
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| ACU
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| | rowspan="4" |
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| (Thr/T)
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| 苏氨酸
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| AAU
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| | rowspan="2" |
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| (Asn/N)
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| 天冬酰胺
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| AGU
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| | rowspan="2" |
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| (Ser/S)
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| 丝氨酸
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| !
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| U
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| |-
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| AUC
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| ACC
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| AAC
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| AGC
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| !
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| C
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| |-
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| AUA
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| ACA
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| AAA
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| | rowspan="2" |
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| (Lys/K)
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| 赖氨酸
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| AGA
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| | rowspan="2" |
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| (Arg/R)
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| 精氨酸
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| !
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| A
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| |-
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| AUG[A]
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| (Met/M)
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| 甲硫氨酸
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| ACG
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| AAG
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| AGG
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| !
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| G
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| |-
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| ! rowspan="4" |
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| G
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| GUU
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| | rowspan="3" |
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| (Val/V)
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| 缬氨酸
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| GCU
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| | rowspan="4" |
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| (Ala/A)
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| 丙氨酸
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| GAU
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| | rowspan="2" |
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| (Asp/D)
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| 天冬氨酸
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| GGU
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| | rowspan="4" |
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| (Gly/G)
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| 甘氨酸
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| !
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| U
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| |-
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| GUC
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| GCC
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| GAC
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| GGC
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| !
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| C
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| |-
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| GUA
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| GCA
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| GAA
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| | rowspan="2" |
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| (Glu/E)
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| 谷氨酸
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| GGA
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| !
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| A
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| |-
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| GUG
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| 铑氨酸
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| GCG
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| GAG
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| GGG
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| !
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| |}
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| [[Category:生物化学]] | | [[Category:生物化学]] |
| [[Category:有机化合物]]
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| [[Category:高分子化合物]]
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