Table 1 The optimal codons based on high and low levels of expression. AA: amino acids

AA

Codon

RSCU-H

RSCU-L

△RSCU

RSCU-H

RSCU-L

△RSCU

Val

GUC

1.557

0.995

0.563

1.454

0.984

0.470

Ser

UCG

1.005

0.682

0.324

1.202

0.717

0.486

Pro

CCC

1.552

0.906

0.646

1.764

0.920

0.844

CCG

0.896

0.614

0.282

1.047

0.606

0.441

Thr

ACC

1.756

0.959

0.797

1.627

1.001

0.626

ACG

1.170

0.698

0.472

1.356

0.720

0.636

Ala

GCG

0.836

0.564

0.271

1.002

0.537

0.464

Tyr

UAC

1.602

0.944

0.658

1.609

0.943

0.666

His

CAC

1.551

0.986

0.565

1.541

0.998

0.544

Asn

AAC

1.605

0.966

0.639

1.590

0.998

0.591

Asp

GAC

1.470

0.991

0.479

1.545

0.986

0.559

Glu

GAG

1.329

0.924

0.405

1.465

0.917

0.548

Cys

UGC

1.407

0.929

0.478

1.469

0.980

0.488

Arg

CGC

1.832

0.835

0.997

2.120

0.830

1.289

Gly

GGC

1.819

1.001

0.818

2.108

0.978

1.130