Position within amino acid sequence | Investigated nucleotide triplet | Investigated codon | Codon usage in E. coli a | Recognized by tRNA | Relative tRNA content in E. coli b | Arithmetic mean X/Y ratio | Standard deviationc | Classification into Type A or Type Bd |
---|---|---|---|---|---|---|---|---|
Arg107 | CGT (WT) | CGU (WT) | 0.42 | Arg: 1, 2 | 0.90 | 2.0 | 0.2 (8) | A |
Arg107 | AGA | AGA | 0.04 | Arg: AGR | Minor | 6.2 | 1.6 (3) | A |
Arg107 | AGG | AGG | 0.03 | Arg: AGR | Minor | 8.8 | 1.1 (4) | A |
Arg107 | CGA | CGA | 0.05 | Arg: 1, 2 | 0.90 | 13.4 | 1.1 (3) | A |
Arg107 | CGC | CGC | 0.37 | Arg: 1, 2 | 0.90 | 0.8 | 0.2 (4) | B |
Arg107 | CGG | CGG | 0.08 | Arg: CGG | Minor | 0.7 | 0.0 (4) | B |
Leu143 | TTA (WT) | UUA (WT) | 0.11 | Leu: UUR | 0.25 | 2.0 | 0.2 (8) | A |
Leu143 | CTA | CUA | 0.03 | Leu: CUA | Minor | 1.1 | 0.1 (4) | B |
Leu143 | CTC | CUC | 0.10 | Leu: 2 | 0.30 | 1.9 | 0.2 (4) | A |
Leu143 | CTG | CUG | 0.55 | Leu: 1 | 1.00 | 0.9 | 0.0 (3) | B |
Leu143 | CTT | CUU | 0.10 | Leu: 2 | 0.30 | 2.4 | 0.5 (4) | A |
Leu143 | TTG | UUG | 0.11 | Leu: UUR | 0.25 | 3.1 | 0.2 (4) | A |