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Table 1 Biochemical conversions and transport processes, and number of ORFs associated with the metabolic reactions

From: Metabolic network driven analysis of genome-wide transcription data from Aspergillus nidulans

Part of metabolism

Number of metabolic reactions

Number of previously annotated ORFsa

Number of newly annotated ORFs

Total number of ORFs

Biochemical reactions

1,095 (681b)

188

468

656

   C-compound metabolism

463 (220)

96

166

262

   Energy metabolism

20 (17)

14

40

54

   Aminoacid metabolism

238 (171)

40

125

165

   Nucleotide metabolism

144 (114)

10

44

54

   Lipid metabolism

175 (122)

13

97

110

   Secondary metabolism

42 (25)

16

14

30

   Nitrogen and sulphur metabolism

8 (7)

2

3

5

   Polymerization, assembly and maintenance

5 (5)

   

Transport processes

118 (113)

6

3

9

Total

1,213 (794)

194

472

666

  1. Shown are the total number of biochemical conversions and transport processes included in the metabolic reconstruction for A. nidulans (number of unique reactions are given in parenthesis), and the number of ORFs (previously and newly annotated) associated with the metabolic reactions. The total number of unique ORFs in the metabolic network may be different from the sum of the number of ORFs in the different parts of the metabolism, because there are ORFs that encode functions in several parts of the metabolism. aAspergillus nidulans Database [9]. bSix nonenzymatic steps are included. ORF, open reading frame.