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Table 4 Overall codon usage in S. elongatus

From: Mutational pressure dictates synonymous codon usage in freshwater unicellular α - cyanobacterial descendant Paulinella chromatophora and β - cyanobacterium Synechococcus elongatus PCC6301

AA

Codon

N (RSCU)

AA

Codon

N (RSCU)

Phe

TTT

14909(1.11)

Tyr

TAT

8278(0.87)

 

TTC

11811(0.88)

 

TAC

10678(1.12)

Leu

TTA

6634(0.50)

TER

TAA

776(0.96)

 

TTG

19535(1.49)

 

TAG

922(1.15)

 

CTT

7121(0.41)

His

CAT

6464(0.96)

 

CTC

20585(1.19)

 

CAC

6949(1.03)

 

CTA

8678(0.50)

Gln

CAA

23338(0.98)

 

CTG

32548(1.88)

 

CAG

24092(1.01)

Ile

ATC

21038(1.50)

Asn

AAT

10381(0.97)

 

ATT

20131(1.44)

 

AAC

10858(1.02)

 

ATA

692 (0.05)

Lys

AAA

10248(1.04)

Met

ATG

11456(1.00)

 

AAG

9370(0.95)

Val

GTT

12236(0.94)

Asp

GAT

25896(1.30)

 

GTC

17788(1.37)

 

GAC

13769(0.69)

 

GTA

3535(0.27)

Glu

GAA

24927(1.13)

 

GTG

18179(1.40)

 

GAG

18827(0.86)

Ser

TCT

4946(0.81)

Cys

TGT

3451(0.82)

 

TCC

5912(0.97)

 

TGC

4905(1.17)

 

TCA

4257(0.70)

TER

TGA

707(0.882)

 

TCG

9207(1.51)

Trp

TGG

13533(1.00)

Pro

CCT

7920(0.74)

Arg

CGT

7985(0.62)

 

CCC

14372(1.35)

 

CGC

23748(1.87)

 

CCA

7251(0.68)

 

CGA

7940(0.62)

 

CCG

13017(1.22)

 

CGG

11080(0.87)

Thr

ACT

7789(0.77)

Ser

AGT

9128(0.82)

 

ACC

15479(1.54)

 

AGC

13096(1.17)

 

ACA

5513(0.55)

Arg

AGA

1135(1.17)

 

ACG

11432(0.77)

 

AGG

791(0.82)

Ala

GCT

19671(0.96)

Gly

GGT

14414(1.02)

 

GCC

25932(1.27)

 

GGC

24840(1.77)

 

GCA

14455(0.70)

 

GGA

6797(0.48)

 

GCG

21572(1.05)

 

GGG

9975(0.71)

  1. Overall codon usage of 2342 PCG in the cyanobacterial genome of S. elongatus.
  2. Date represented in bold letters are preferred codons.