中国畜牧兽医 ›› 2026, Vol. 53 ›› Issue (2): 837-850.doi: 10.16431/j.cnki.1671-7236.2026.02.029
收稿日期:2025-08-13
出版日期:2026-02-20
发布日期:2026-01-27
通讯作者:
安清明
E-mail:songxingchao_888@126.com;anqingming2009@163.com
作者简介:宋兴超,E-mail:songxingchao_888@126.com
基金资助:
SONG Xingchao(
), MENG Jinzhu, ZHAO Yuanyuan, WU Zhenyang, AN Qingming(
)
Received:2025-08-13
Online:2026-02-20
Published:2026-01-27
Contact:
AN Qingming
E-mail:songxingchao_888@126.com;anqingming2009@163.com
摘要:
目的 探究乌蒙乌骨鸡酪氨酸酶(tyrosinase,TYR)基因在进化过程中形成的密码子使用模式特征及影响因素,解析不同物种间亲缘进化与密码子使用偏好性的关系,为开展乌骨鸡TYR基因异源高效遗传转化提供借鉴与参考。 方法 以乌蒙乌骨鸡与其他22个物种的TYR基因CDS为材料,采用CodonW 1.4.4、CUSP、CHIPS、EMBOSS等软件分析该基因密码子使用偏好模式特征;通过中性绘图(Neutrality-plot)和奇偶偏好性(PR2-plot)方法分析造成密码子使用偏好性的可能因素;基于同义密码子相对使用度(relative synonymous codon usage,RSCU)值构建不同物种TYR基因密码子使用偏好性聚类热图,利用ClustalX 1.83和Mega 7.0软件对不同物种TYR基因CDS进行系统进化分析;分别比较乌蒙乌骨鸡TYR基因与小鼠、斑马鱼和大肠杆菌3种模式生物基因组密码子的使用频率。 结果 乌蒙乌骨鸡TYR基因偏好使用的密码子有27个(RSCU>1.0),其中ATC、CTG、AGA、TCT、TCA和ACT为优势密码子(RSCU>1.6),GC3s、GC、ENC和CBI值分别为50.38%、47.30%、54.57和0.025,偏好性较弱;鲤科鱼类GC3s和GC含量均高于55%,第3位碱基偏好使用G/C。Neutrality-plot和PR2-plot分析显示,自然选择压力是不同物种TYR基因密码子使用偏好模式特征形成的主要因素。RSCU值聚类热图与CDS系统进化结果不完全一致,2种聚类方法均显示乌蒙乌骨鸡、原鸡和日本鹌鹑等鸡形目TYR基因CDS密码子使用具有相似的偏好性。与小鼠和大肠杆菌相比,斑马鱼更适宜作为乌蒙乌骨鸡TYR基因异源表达系统。 结论 不同物种间TYR基因密码子使用偏好模式特征存在差异,自然选择是其偏好性形成的主要影响因素,模式生物斑马鱼可作为乌蒙乌骨鸡TYR基因功能解析的遗传转化受体。
中图分类号:
宋兴超, 孟金柱, 赵园园, 吴震洋, 安清明. 乌蒙乌骨鸡TYR基因密码子使用偏好模式特征与进化分析[J]. 中国畜牧兽医, 2026, 53(2): 837-850.
SONG Xingchao, MENG Jinzhu, ZHAO Yuanyuan, WU Zhenyang, AN Qingming. Analysis of Codon Usage Bias Patterns and Evolution of TYR Gene in Wumeng Black-bone Chickens[J]. China Animal Husbandry & Veterinary Medicine, 2026, 53(2): 837-850.
表1
不同物种TYR基因CDS信息"
序号 No. | 物种 Species | 科 Family | 属 Genus | 登录号 Accession No. | 序列长度 Sequence length/bp | 终止密码子 Stop codon |
|---|---|---|---|---|---|---|
| 1 | 乌蒙乌骨鸡 Wumeng Black-bone chickens | 雉科 Phasianidae | 原鸡属 Gallus | ON49713458 | 1 590 | TAA |
| 2 | 原鸡 Gallus gallus | 雉科 Phasianidae | 原鸡属 Gallus | NM_204160 | 1 590 | TAA |
| 3 | 日本鹌鹑 Coturnix japonica | 雉科 Phasianidae | 鹌鹑属 Coturnix | AB024278 | 1 590 | TAA |
| 4 | 水貂 Neovison vison | 鼬科 Mustelidae | 鼬属 Mustela | KJ716783 | 1 596 | TGA |
| 5 | 雪貂 Mustela putorius furo | 鼬科 Mustelidae | 貂属 Martes | XM_004796032 | 1 596 | TGA |
| 6 | 海豹 Leptonychotes weddellii | 海豹科 Phocidae | 海豹属 Leptonychotes | XM_006727372 | 1 596 | TAA |
| 7 | 猫 Felis catus | 猫科 Felidae | 猫属 Felis | XM_003992642 | 1 593 | TAA |
| 8 | 犬 Canis lupus familiaris | 犬科 Canidae | 犬属 Canis | NM_001002941 | 1 593 | TAA |
| 9 | 猪 Sus scrofa | 猪科 Suidae | 猪属 Sus | NM_001025212 | 1 596 | TAA |
| 10 | 羊驼 Vicugna pacos | 骆驼科 Camelidae | 小羊驼属 Vicugna | XM_006218369 | 1 593 | TAG |
| 11 | 山羊 Capra hircus | 牛科 Bovidae | 山羊属 Capra | NM_001287562 | 1 593 | TGA |
| 12 | 绵羊 Ovis aries | 牛科 Bovidae | 绵羊属 Ovis | NM_001130027 | 1 593 | TGA |
| 13 | 藏羚 Pantholops hodgsonii | 牛科 Bovidae | 藏羚属 Pantholops | XM_005970079 | 1 593 | TGA |
| 14 | 牛 Bos taurus | 牛科 Bovidae | 牛属 Bos | NM_181001 | 1 593 | TGA |
| 15 | 水牛 Bubalus bubalis | 牛科 Bovidae | 水牛属 Bubalus | JN887462 | 1 593 | TGA |
| 16 | 家马 Equus caballus | 马科 Equidae | 马属 Equus | XM_001492560 | 1 593 | TAA |
| 17 | 人 Homo sapiens | 人科 Hominidae | 人属 Homo | M27160 | 1 590 | TAA |
| 18 | 猕猴 Macaca mulatta | 猴科 Cercopithecidae | 猕猴属 Macaca | XM_001105033 | 1 593 | TAA |
| 19 | 小鼠 Mus musculus | 鼠科 Muridae | 鼠属 Mus | NM_011661 | 1 602 | TGA |
| 20 | 褐家鼠 Rattus norvegicus | 鼠科 Muridae | 家鼠属 Rattus | NM_001107535 | 1 593 | TGA |
| 21 | 斑马鱼 Danio rerio | 鲤科 Cyprinidae | 鲐属 Danio | NM_131013 | 1 608 | TGA |
| 22 | 鲤 Cyprinus carpio | 鲤科 Cyprinidae | 鲤属 Cyprinus | JQ670941 | 1 608 | TGA |
| 23 | 鲫 Carassius auratus | 鲤科 Cyprinidae | 鲫属 Carassius | DQ870906 | 1 608 | TGA |
表2
乌蒙乌骨鸡TYR基因RSCU值"
氨基酸 Amino acids | 密码子 Codons | 数量 Number/个 | RSCU | 氨基酸 Amino acids | 密码子 Codons | 数量 Number /个 | RSCU | 氨基酸 Amino acids | 密码子 Codons | 数量 Number /个 | RSCU |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ala(A) | 8 | Lys(K) | AAA | 4 | 0.62 | Arg(R) | 6 | ||||
| 11 | 9 | CGG | 2 | 0.36 | |||||||
| 10 | Leu(L) | TTA | 7 | 0.89 | Ser(S) | AGT | 4 | 0.59 | |||
| GCG | 1 | 0.13 | TTG | 4 | 0.51 | AGC | 6 | 0.88 | |||
| Cys(C) | TGT | 6 | 0.75 | 9 | TCT | 12 | 1.76 | ||||
| 10 | 11 | 8 | |||||||||
| Asp(D) | 13 | CTA | 3 | 0.38 | TCA | 11 | 1.61 | ||||
| GAC | 11 | 0.92 | CTG | 13 | 1.66 | TCG | 0 | 0 | |||
| Glu(E) | 17 | Met(M) | ATG | 13 | 1.00 | Thr(T) | ACT | 11 | 1.76 | ||
| GAG | 12 | 0.83 | Asn(N) | AAT | 16 | 0.91 | ACC | 6 | 0.96 | ||
| Phe(F) | TTT | 16 | 1.00 | 19 | ACA | 6 | 0.96 | ||||
| TTC | 16 | 1.00 | Pro(P) | 11 | ACG | 2 | 0.32 | ||||
| Gly(G) | GGT | 6 | 0.65 | 12 | Val(V) | GTT | 4 | 0.84 | |||
| 12 | CCA | 8 | 0.97 | 5 | |||||||
| 10 | CCG | 2 | 0.24 | GTA | 4 | 0.84 | |||||
| GGG | 9 | 0.97 | Gln(Q) | CAA | 11 | 0.88 | 6 | ||||
| His(H) | 7 | 14 | Trp(W) | TGG | 12 | 1.00 | |||||
| CAC | 6 | 0.92 | Arg(R) | AGA | 17 | 3.09 | Tyr(Y) | TAT | 9 | 0.82 | |
| Ile(I) | ATT | 5 | 0.50 | AGG | 4 | 0.73 | 13 | ||||
| ATC | 17 | 1.70 | CGT | 3 | 0.55 | * | TAA | 1 | 3.00 | ||
| ATA | 8 | 0.80 | CGC | 1 | 0.18 | * | TAG | 0 | 0 | ||
| * | TGA | 0 | 0 |
表3
不同物种TYR基因密码子的核苷酸组成特性 (%)"
| 物种 | 核苷酸含量 Nucleotide contents | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Species | T3s | C3s | A3s | G3s | GC1s | GC2s | GC3s | GC12 | GC |
乌蒙乌骨鸡 Wumeng Black-bone chickens | 32.04 | 37.53 | 33.70 | 23.49 | 48.68 | 42.83 | 50.38 | 45.76 | 47.30 |
| 原鸡 Gallus gallus | 31.81 | 37.76 | 33.70 | 23.49 | 48.87 | 42.83 | 50.57 | 45.85 | 47.42 |
| 日本鹌鹑 Coturnix japonica | 30.43 | 38.44 | 33.97 | 23.58 | 47.67 | 43.40 | 51.32 | 45.54 | 47.67 |
| 水貂 Neovison vison | 34.40 | 37.59 | 26.61 | 27.46 | 50.56 | 43.42 | 53.57 | 46.99 | 49.19 |
| 雪貂 Mustela putorius furo | 33.11 | 38.81 | 27.02 | 27.68 | 51.13 | 42.86 | 54.32 | 47.00 | 49.44 |
| 海豹 Leptonychotes weddellii | 32.88 | 37.90 | 25.98 | 30.36 | 51.69 | 42.11 | 55.26 | 46.90 | 49.69 |
| 猫 Felis catus | 33.64 | 36.61 | 28.77 | 27.54 | 50.66 | 43.13 | 52.73 | 46.90 | 48.84 |
| 犬 Canis lupus familiaris | 34.93 | 35.16 | 30.53 | 26.05 | 50.85 | 43.13 | 50.47 | 46.99 | 48.15 |
| 猪 Sus scrofa | 31.89 | 37.81 | 29.83 | 26.84 | 50.75 | 43.61 | 53.20 | 47.18 | 49.19 |
| 羊驼 Vicugna pacos | 28.86 | 40.23 | 24.72 | 33.33 | 52.73 | 43.50 | 59.51 | 48.12 | 51.91 |
| 山羊 Capra hircus | 30.47 | 39.28 | 24.86 | 30.90 | 52.17 | 44.26 | 57.44 | 48.22 | 51.29 |
| 绵羊 Ovis aries | 31.15 | 38.37 | 25.69 | 30.32 | 51.98 | 44.26 | 56.31 | 48.12 | 50.85 |
| 藏羚 Pantholops hodgsonii | 31.15 | 39.05 | 25.83 | 29.24 | 51.98 | 43.69 | 56.31 | 47.84 | 50.66 |
| 牛 Bos taurus | 30.02 | 39.73 | 26.94 | 29.03 | 51.98 | 44.07 | 56.50 | 48.03 | 50.85 |
| 水牛 Bubalus bubalis | 31.07 | 39.00 | 27.58 | 28.24 | 52.17 | 43.50 | 55.37 | 47.84 | 50.35 |
| 家马 Equus caballus | 32.36 | 36.18 | 30.42 | 27.93 | 50.85 | 42.56 | 52.35 | 46.71 | 48.59 |
| 人 Homo sapiens | 34.41 | 34.41 | 30.99 | 27.63 | 49.43 | 42.45 | 50.94 | 45.94 | 47.61 |
| 猕猴 Macaca mulatta | 33.18 | 35.93 | 31.74 | 26.36 | 49.91 | 42.75 | 51.22 | 46.33 | 47.96 |
| 小鼠 Mus musculus | 35.75 | 33.26 | 33.33 | 24.70 | 48.31 | 42.70 | 47.75 | 45.51 | 46.25 |
| 褐家鼠 Rattus norvegicus | 36.53 | 32.42 | 35.03 | 23.19 | 48.78 | 42.75 | 46.33 | 45.77 | 45.95 |
| 斑马鱼 Danio rerio | 20.44 | 42.00 | 19.47 | 44.48 | 55.22 | 44.78 | 69.03 | 50.00 | 56.34 |
| 鲤 Cyprinus carpio | 20.84 | 43.24 | 17.82 | 43.38 | 55.22 | 45.52 | 69.78 | 50.37 | 56.84 |
| 鲫 Carassius auratus | 21.21 | 43.30 | 17.43 | 43.79 | 55.22 | 44.78 | 69.96 | 50.00 | 56.65 |
表4
不同物种TYR基因密码子偏好性参数"
物种 Species | 密码子适 应指数 CAI | 密码子 偏爱指数 CBI | 最优密码子 使用频率 FOP | 有效密 码子数 ENC | 同义密码子数L_sym | 氨基 酸数 L_aa | 蛋白质 疏水性 GRAVY | 芳香族氨基酸频率 Aromo |
|---|---|---|---|---|---|---|---|---|
| 乌蒙乌骨鸡 Wumeng Black-bone chickens | 0.204 | 0.025 | 0.437 | 54.57 | 504 | 529 | ―0.362760 | 0.124764 |
| 原鸡 Gallus gallus | 0.206 | 0.031 | 0.440 | 54.23 | 504 | 529 | ―0.362760 | 0.124764 |
| 日本鹌鹑 Coturnix japonica | 0.206 | 0.043 | 0.446 | 53.41 | 504 | 529 | ―0.364461 | 0.122873 |
| 水貂 Neovison vison | 0.210 | 0.022 | 0.433 | 57.15 | 503 | 531 | ―0.388889 | 0.126177 |
| 雪貂 Mustela putorius furo | 0.211 | 0.029 | 0.438 | 56.10 | 505 | 531 | ―0.374953 | 0.126177 |
| 海豹 Leptonychotes weddellii | 0.210 | 0.017 | 0.430 | 57.02 | 505 | 531 | ―0.361582 | 0.126177 |
| 猫 Felis catus | 0.201 | ―0.014 | 0.412 | 58.17 | 502 | 530 | ―0.329811 | 0.124528 |
| 犬 Canis lupus familiaris | 0.203 | ―0.016 | 0.412 | 56.04 | 503 | 530 | ―0.334906 | 0.124528 |
| 猪 Sus scrofa | 0.203 | 0.007 | 0.424 | 55.63 | 505 | 531 | ―0.344256 | 0.128060 |
| 羊驼 Vicugna pacos | 0.216 | 0.039 | 0.442 | 57.26 | 504 | 530 | ―0.399811 | 0.126415 |
| 山羊 Capra hircus | 0.224 | 0.081 | 0.465 | 57.27 | 505 | 530 | ―0.340566 | 0.128302 |
| 绵羊 Ovis aries | 0.220 | 0.057 | 0.451 | 57.46 | 505 | 530 | ―0.340566 | 0.128302 |
| 藏羚 Pantholops hodgsonii | 0.215 | 0.045 | 0.444 | 57.51 | 504 | 530 | ―0.324151 | 0.128302 |
| 牛 Bos taurus | 0.216 | 0.049 | 0.448 | 55.99 | 505 | 530 | ―0.348302 | 0.128302 |
| 水牛 Bubalus bubalis | 0.215 | 0.035 | 0.438 | 56.00 | 504 | 530 | ―0.343396 | 0.128302 |
| 家马 Equus caballus | 0.200 | ―0.006 | 0.415 | 58.68 | 506 | 530 | ―0.338868 | 0.133962 |
| 人 Homo sapiens | 0.200 | ―0.042 | 0.398 | 56.20 | 500 | 529 | ―0.356333 | 0.128544 |
| 猕猴 Macaca mulatta | 0.206 | ―0.024 | 0.410 | 55.74 | 502 | 530 | ―0.309623 | 0.128302 |
| 小鼠 Mus musculus | 0.199 | ―0.047 | 0.394 | 54.17 | 508 | 533 | ―0.347842 | 0.129456 |
| 褐家鼠 Rattus norvegicus | 0.197 | ―0.034 | 0.404 | 54.95 | 503 | 530 | ―0.381321 | 0.132075 |
| 斑马鱼 Danio rerio | 0.236 | 0.132 | 0.495 | 49.64 | 511 | 535 | ―0.259065 | 0.127103 |
| 鲤 Cyprinus carpio | 0.260 | 0.181 | 0.522 | 50.05 | 510 | 535 | ―0.280000 | 0.125234 |
| 鲫 Carassius auratus | 0.281 | 0.213 | 0.540 | 50.32 | 509 | 535 | ―0.326542 | 0.125234 |
表5
乌蒙乌骨鸡TYR基因与模式生物密码子偏好性模式特征比较"
密码子 Codons | 氨基酸 Amino acids | 乌蒙乌骨鸡 Wumeng Black-bone chickens (TYR) | 小鼠 Mus musculus (Mm) | 斑马鱼 Danio rerio (Dr) | 大肠杆菌 Escherichia coli (Ec) | F值 F-value | ||
|---|---|---|---|---|---|---|---|---|
| TYR/Mm | TYR/Dr | TYR/Ec | ||||||
| TTT | Phe(F) | 30.19 | 17.20 | 18.20 | 22.10 | 1.76 | 1.66 | 1.37 |
| TTC | Phe(F) | 30.19 | 21.80 | 20.80 | 15.80 | 1.38 | 1.45 | 1.91 |
| TTA | Leu(L) | 13.21 | 6.70 | 7.00 | 13.80 | 1.97 | 1.89 | 0.96 |
| TTG | Leu(L) | 7.55 | 13.40 | 12.30 | 12.90 | 0.56 | 0.61 | 0.59 |
| CTT | Leu(L) | 16.98 | 13.40 | 12.70 | 11.40 | 1.27 | 1.34 | 1.49 |
| CTC | Leu(L) | 20.75 | 20.20 | 17.00 | 10.50 | 1.03 | 1.22 | 1.98 |
| CTA | Leu(L) | 5.66 | 8.10 | 6.20 | 3.90 | 0.70 | 0.91 | 1.45 |
| CTG | Leu(L) | 24.53 | 39.50 | 37.60 | 50.90 | 0.62 | 0.65 | 0.48 |
| ATT | Ile(I) | 9.43 | 15.40 | 16.50 | 29.40 | 0.61 | 0.57 | 0.32 |
| ATC | Ile(I) | 32.08 | 22.50 | 23.70 | 23.80 | 1.43 | 1.35 | 1.35 |
| ATA | Ile(I) | 15.09 | 7.40 | 7.70 | 5.60 | 2.04 | 1.96 | 2.69 |
| ATG | Met(M) | 24.53 | 22.80 | 25.50 | 27.10 | 1.08 | 0.96 | 0.91 |
| GTT | Val(V) | 7.55 | 10.70 | 14.10 | 18.00 | 0.71 | 0.54 | 0.42 |
| GTC | Val(V) | 9.43 | 15.40 | 14.80 | 14.70 | 0.61 | 0.64 | 0.64 |
| GTA | Val(V) | 7.55 | 7.40 | 6.70 | 10.90 | 1.02 | 1.13 | 0.69 |
| GTG | Val(V) | 11.32 | 28.40 | 28.30 | 26.10 | 0.40 | 0.40 | 0.43 |
| TCT | Ser(S) | 22.64 | 16.20 | 16.90 | 8.70 | 1.40 | 1.34 | 2.60 |
| TCC | Ser(S) | 15.09 | 18.10 | 15.20 | 9.00 | 0.83 | 0.99 | 1.68 |
| TCA | Ser(S) | 20.75 | 11.80 | 13.20 | 8.20 | 1.76 | 1.57 | 2.53 |
| TCG | Ser(S) | 0 | 4.20 | 5.60 | 8.80 | 0.00 | 0.00 | 0.00 |
| CCT | Pro(P) | 20.75 | 18.40 | 16.60 | 7.30 | 1.13 | 1.25 | 2.84 |
| CCC | Pro(P) | 22.64 | 18.20 | 12.70 | 5.60 | 1.24 | 1.78 | 4.04 |
| CCA | Pro(P) | 15.09 | 17.30 | 15.70 | 8.40 | 0.87 | 0.96 | 1.80 |
| CCG | Pro(P) | 3.77 | 6.20 | 8.20 | 22.50 | 0.61 | 0.46 | 0.17 |
| ACT | Thr(T) | 20.75 | 13.70 | 14.50 | 9.10 | 1.51 | 1.43 | 2.28 |
| ACC | Thr(T) | 11.32 | 19.00 | 16.20 | 22.70 | 0.60 | 0.70 | 0.50 |
| ACA | Thr(T) | 11.32 | 16.00 | 17.00 | 8.20 | 0.71 | 0.67 | 1.38 |
| ACG | Thr(T) | 3.77 | 5.60 | 7.40 | 15.10 | 0.67 | 0.51 | 0.25 |
| GCT | Ala(A) | 15.09 | 20.00 | 20.90 | 15.40 | 0.75 | 0.72 | 0.98 |
| GCC | Ala(A) | 20.75 | 26.00 | 19.50 | 25.20 | 0.80 | 1.06 | 0.82 |
| GCA | Ala(A) | 18.87 | 15.80 | 16.60 | 20.70 | 1.19 | 1.14 | 0.91 |
| GCG | Ala(A) | 1.89 | 6.40 | 8.60 | 32.20 | 0.30 | 0.22 | 0.06 |
| TAT | Tyr(Y) | 16.98 | 12.20 | 12.60 | 16.50 | 1.39 | 1.35 | 1.03 |
| TAC | Tyr(Y) | 24.53 | 16.10 | 17.00 | 12.30 | 1.52 | 1.44 | 1.99 |
| CAT | His(H) | 13.21 | 10.60 | 10.90 | 12.80 | 1.25 | 1.21 | 1.03 |
| CAC | His(H) | 11.32 | 15.30 | 14.80 | 9.30 | 0.74 | 0.76 | 1.22 |
| CAA | Gln(Q) | 20.75 | 12.00 | 11.80 | 14.60 | 1.73 | 1.76 | 1.42 |
| CAG | Gln(Q) | 26.42 | 34.10 | 33.50 | 29.50 | 0.77 | 0.79 | 0.90 |
| AAT | Asn(N) | 30.19 | 15.60 | 16.30 | 19.10 | 1.94 | 1.85 | 1.58 |
| AAC | Asn(N) | 35.85 | 20.30 | 24.10 | 21.60 | 1.77 | 1.49 | 1.66 |
| AAA | Lys(K) | 7.55 | 21.90 | 29.30 | 34.00 | 0.34 | 0.26 | 0.22 |
| AAG | Lys(K) | 16.98 | 33.60 | 30.70 | 11.10 | 0.51 | 0.55 | 1.53 |
| GAT | Asp(D) | 24.53 | 21.00 | 24.80 | 32.80 | 1.17 | 0.99 | 0.75 |
| GAC | Asp(D) | 20.75 | 26.00 | 27.80 | 19.20 | 0.80 | 0.75 | 1.08 |
| GAA | Glu(E) | 32.08 | 27.00 | 24.40 | 39.20 | 1.19 | 1.31 | 0.82 |
| GAG | Glu(E) | 22.64 | 39.40 | 42.80 | 18.90 | 0.57 | 0.53 | 1.20 |
| TGT | Cys(C) | 11.32 | 11.40 | 11.30 | 5.30 | 0.99 | 1.00 | 2.14 |
| TGC | Cys(C) | 18.87 | 12.30 | 11.20 | 6.40 | 1.53 | 1.68 | 2.95 |
| TGG | Trp(W) | 22.64 | 12.50 | 11.60 | 15.30 | 1.81 | 1.95 | 1.48 |
| CGT | Arg(R) | 5.66 | 4.70 | 6.90 | 20.30 | 1.20 | 0.82 | 0.28 |
| CGC | Arg(R) | 1.89 | 9.40 | 9.60 | 20.90 | 0.20 | 0.20 | 0.09 |
| CGA | Arg(R) | 11.32 | 6.60 | 6.70 | 3.90 | 1.72 | 1.69 | 2.90 |
| CGG | Arg(R) | 3.77 | 10.20 | 6.60 | 6.40 | 0.37 | 0.57 | 0.59 |
| AGA | Arg(R) | 7.55 | 12.70 | 13.20 | 9.40 | 0.59 | 0.57 | 0.80 |
| AGG | Arg(R) | 11.32 | 19.70 | 18.40 | 16.00 | 0.57 | 0.62 | 0.71 |
| AGT | Ser(S) | 32.08 | 12.10 | 14.30 | 3.00 | 2.65 | 2.24 | 10.69 |
| AGC | Ser(S) | 7.55 | 12.20 | 10.20 | 1.90 | 0.62 | 0.74 | 3.97 |
| GGT | Gly(G) | 11.32 | 11.40 | 13.70 | 24.10 | 0.99 | 0.83 | 0.47 |
| GGC | Gly(G) | 22.64 | 21.20 | 17.20 | 27.90 | 1.07 | 1.32 | 0.81 |
| GGA | Gly(G) | 18.87 | 16.80 | 21.50 | 9.00 | 1.12 | 0.88 | 2.10 |
| GGG | Gly(G) | 16.98 | 15.20 | 10.00 | 11.90 | 1.12 | 1.70 | 1.43 |
| TAA | 1.89 | 1.00 | 1.10 | 1.90 | 1.89 | 1.72 | 0.99 | |
| TAG | 0 | 0.80 | 0.60 | 0.30 | 0.00 | 0.00 | 0.00 | |
| TGA | 0 | 1.60 | 1.40 | 1.10 | 0.00 | 0.00 | 0.00 | |
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