Table 6. Relative synonymous codon usage (in parentheses) following the codon frequency across the chloroplast genomes in the genus Dendrobium.
| Codon | Count | RSCU | Codon | Count | RSCU | Codon | Count | RSCU | Codon | Count | RSCU |
|---|---|---|---|---|---|---|---|---|---|---|---|
| UUU(F) | 2018.1 | 1.16 | UCU(S) | 1330 | 1.63 | UAU(Y) | 1371 | 1.38 | UGU(C) | 706.9 | 1.24 |
| UUC(F) | 1459.2 | 0.84 | UCC(S) | 882.8 | 1.08 | UAC(Y) | 621.4 | 0.62 | UGC(C) | 437 | 0.76 |
| UUA(L) | 918.4 | 1.14 | UCA(S) | 999.4 | 1.23 | UAA(*) | 970.5 | 1.05 | UGA(*) | 1065 | 1.15 |
| UUG(L) | 970.9 | 1.21 | UCG(S) | 576.9 | 0.71 | UAG(*) | 732.2 | 0.79 | UGG(W) | 691.4 | 1 |
| CUU(L) | 1068.9 | 1.33 | CCU(P) | 638 | 1.13 | CAU(H) | 919.7 | 1.43 | CGU(R) | 336.1 | 0.63 |
| CUC(L) | 629.2 | 0.78 | CCC(P) | 547.8 | 0.97 | CAC(H) | 369.3 | 0.57 | CGC(R) | 220.7 | 0.41 |
| CUA(L) | 762.8 | 0.95 | CCA(P) | 689.4 | 1.23 | CAA(Q) | 952.8 | 1.38 | CGA(R) | 545.2 | 1.02 |
| CUG(L) | 473.7 | 0.59 | CCG(P) | 375.4 | 0.67 | CAG(Q) | 423.2 | 0.62 | CGG(R) | 343 | 0.64 |
| AUU(I) | 1635.7 | 1.21 | ACU(T) | 646 | 1.21 | AAU(N) | 1580 | 1.39 | AGU(S) | 659.9 | 0.81 |
| AUC(I) | 1072.9 | 0.8 | ACC(T) | 530.8 | 1 | AAC(N) | 695 | 0.61 | AGC(S) | 435.8 | 0.54 |
| AUA(I) | 1337.4 | 0.99 | ACA(T) | 610.3 | 1.15 | AAA(K) | 1914 | 1.31 | AGA(R) | 1171 | 2.2 |
| AUG(M) | 891.4 | 1 | ACG(T) | 343.2 | 0.64 | AAG(K) | 1009 | 0.69 | AGG(R) | 576 | 1.08 |
| GUU(V) | 709.4 | 1.36 | GCU(A) | 467.5 | 1.29 | GAU(D) | 1038 | 1.43 | GGU(G) | 523.7 | 0.99 |
| GUC(V) | 366.7 | 0.7 | GCC(A) | 326.4 | 0.9 | GAC(D) | 413.9 | 0.57 | GGC(G) | 314.4 | 0.59 |
| GUA(V) | 647.8 | 1.24 | GCA(A) | 438.7 | 1.21 | GAA(E) | 1335 | 1.37 | GGA(G) | 754.1 | 1.43 |
| GUG(V) | 366.9 | 0.7 | GCG(A) | 221.5 | 0.61 | GAG(E) | 618.3 | 0.63 | GGG(G) | 521.8 | 0.99 |