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Table 3 Distribution of ORF function categories in the clusters. Chodata set was clustered using IGKA algorithm. We identified the gene distribution of different functional categories into different clusters. The function categories were divided according to MIPS (Mewes et al., 2000). The total number of ORFs in each function category was indicated in parentheses. The cluster number to which the genes were grouped is denoted as "Cluster" column. The ORF number in each cluster is denoted as "Total". The ORF number within each functional category is denoted as "Function ORFs". The percentage of the ORF number within functional category of each cluster in the total ORF number of each cluster is denoted as "Percentage (%)".

From: Incremental genetic K-means algorithm and its application in gene expression data analysis

Cluster MIPS functional category Total Function ORFs Percentage(%)
1 Mitotic cell cycle and cycle control(352) 86 24 27.9
  Budding, cell polarity, filament form(170)   8 9.3
3 Organization of mitochondrion(366) 156 111 71.2
  Respiration(88)   10 6.4
  Nitrogen and sulpur metabolism(67)   9 5.6
16 Organization of nucleus(774) 133 50 37.6
17 Ribosome biogenesis(215) 88 50 56.8
  Organization of cytoplasm(554)   31 35.2
18 Organization of mitochondrion(366) 184 105 57.1
25 DNA synthesis and replication(94) 164 23 14
  DNA recombination and DNA repair(153)   11 6.7
  Lipid and fatty isoprenoid metabolism(213)   9 5.5
29 Organization of nucleus chromosome(44) 93 14 15
  Amino acid metabolism(204)   12 12.9
30 TCA pathway or Krebs cycle(25) 92 7 7.6
  C-compound, carbohydrate metabolism(415)   14 15.2