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Table 1 Partition of H. sapiens and M. musculus genes into age groups

From: Codon usage is associated with the evolutionary age of genes in metazoan genomes

 

Age group*

# Genes

Coding region GC content

Protein length

   

Mean

SD

Mean

SD

 

1

612

0.54

± 0.10

363

± 466

 

2

97

0.53

± 0.11

441

± 352

 

3

1202

0.54

± 0.10

518

± 504

 

4

581

0.55

± 0.09

531

± 472

Human

5

648

0.52

± 0.09

477

± 424

 

6

592

0.51

± 0.09

681

± 686

 

7

605

0.53

± 0.10

571

± 400

 

8

3914

0.54

± 0.09

557

± 498

 

9

9023

0.53

± 0.09

525

± 399

 

Total

17274

    
 

1

983

0.49

± 0.10

384

± 391

 

2

39

0.51

± 0.07

590

± 446

 

3

861

0.51

± 0.07

534

± 516

 

4

854

0.50

± 0.08

464

± 428

Mouse

5

908

0.48

± 0.07

414

± 362

 

6

708

0.50

± 0.07

623

± 659

 

7

645

0.52

± 0.07

555

± 409

 

8

4119

0.54

± 0.07

546

± 458

 

9

9099

0.53

± 0.06

526

± 396

 

Total

18216

    
  1. *Ordinal evolutionary age, relative to the reference species under analysis
  2. Partition of all genes in H. sapiens and M. musculus into 9 non-overlapping age groups along the evolutionary tree. For each age group, the number of genes it contains, its average GC content (with standard deviation), and the average length of the proteins (number of amino acids/codons analyzed) that its genes encode (with standard deviation) are listed. The age groups are as in Figure 1.