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Table 1 Some features of the Arabidopsis chromosomes and proteome

From: Goodbye to 'one by one' genetics

 

Number

%

(a) The five DNA molecules

  

   Total length (Mb)

~115

 

   Number of genes

~25,500

 

   Average gene density (kb per gene)

~4.5

 

   Average gene length (kb)

~2

 

   Average peptide length (amino acid)

430

 

   Number of genes with ESTs

15,300

60%

   Number of ESTs

105,733

 

(b) The proteome

  

   Total proteins

~25,500

100

   Proteins with similarity to GenBank entries

17,850

70

   Unknown proteins

5865

23

   Hypothetical proteins

7140

28

   Proteins with putative functions

12,495

49

(c) Classification of proteins with putative functions

  

   Cellular metabolism

 

22.5

   Transcription

 

16.9

   Defense

 

11.5

   Signaling

 

10.4

   Growth

 

11.7

   Protein fate

 

9.9

   Intracellular transport

 

8.3

   Transport

 

4.8

   Protein synthesis

 

4.1

  1. ~denotes approximate numbers.