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Table 3 Gene products encoded by the E. coli K-12 chromosome

From: A functional update of the Escherichia coliK-12 genome

Gene product type

Characterized

Putative assignment

Total (%)

Enzyme

1,042

578

1,620 (34.2)

Transport

382

364

746 (15.8)

Regulator

238

167

405 (8.5)

Membrane

53

158

211 (4.4)

Factor

117

33

150 (3.2)

Structure

92

35

127 (2.7)

Carrier

35

25

60 (1.3)

Extrachromosomal*

288

 

288 (6.1)

Phenotype

  

98 (2.1)

RNA

116

 

116 (2.4)

Leader

12

 

12 (0.3)

ORF

  

899 (19.0)

Total

2,375

1,360

4,732 (100.0)

  1. Proteins are represented as modules. *Extrachromosomal origin.