Research Article
Codon Usage Bias and Cluster Analysis of the MMP-2 and MMP-9 Genes in Seven Mammals
Table 5
RSCU for MMP-2 gene among seven species.
| AA | Codon | Frequency | RSCU |
| Phe | UUU | 66 | 0.675714 | UUC | 142 | 1.324286 |
| Leu | UUA | 28 | 0.268571 | UUG | 71 | 0.732857 | CUU | 127 | 1.09 | CUC | 101 | 1.011429 | CUA | 53 | 0.468571 | CUG | 239 | 2.428571 |
| Ile | AUU | 34 | 0.801429 | AUC | 67 | 1.28 | AUA | 34 | 0.918571 | Met | AUG | 110 | 1 |
| Val | GUU | 65 | 0.861429 | GUC | 47 | 0.715714 | GUA | 39 | 0.522857 | GUG | 122 | 1.902857 |
| Ser | UCU | 89 | 1.078571 | UCC | 104 | 1.27 | UCA | 70 | 0.904286 | UCG | 23 | 0.317143 |
| Pro | CCU | 157 | 0.974286 | CCC | 256 | 1.641429 | CCA | 124 | 0.75 | CCG | 102 | 0.635714 |
| Thr | ACU | 74 | 0.795714 | ACC | 134 | 1.365714 | ACA | 108 | 1.142857 | ACG | 64 | 0.697143 |
| Ala | GCU | 128 | 1.047143 | GCC | 199 | 1.585714 | GCA | 99 | 0.735714 | GCG | 79 | 0.631429 |
| Tyr | UAU | 30 | 0.678571 | UAC | 75 | 1.321429 |
| His | CAU | 92 | 0.74 | CAC | 148 | 1.26 |
| Gln | CAA | 144 | 0.864286 | CAG | 132 | 1.135714 |
| Asn | AAU | 40 | 0.787143 | AAC | 75 | 1.212857 |
| Lys | AAA | 58 | 0.822857 | AAG | 138 | 1.178571 |
| Asp | GAU | 94 | 0.835714 | GAC | 131 | 1.164286 |
| Glu | GAA | 116 | 0.944286 | GAG | 121 | 1.055714 |
| Cys | UGU | 73 | 0.69 | UGC | 151 | 1.31 | Trp | UGG | 206 | 1 |
| Arg | CGU | 34 | 0.428571 | CGC | 104 | 1.327143 | CGA | 68 | 0.772857 | CGG | 92 | 1.177143 |
| Ser | AGU | 66 | 0.897143 | AGC | 112 | 1.534286 |
| Arg | AGA | 109 | 1.212857 | AGG | 93 | 1.08 |
| Gly | GGU | 71 | 0.527143 | GGC | 207 | 1.371429 | GGA | 156 | 1.074286 | GGG | 149 | 1.03 |
| TER | UAA | 21 | 0.374286 | UAG | 21 | 0.425714 | UGA | 132 | 2.201429 |
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Note.RSCU > 1; RSCU > 2; AA. amino acid; TER. termination codon; the same below. |