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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.