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. 2013 Mar 27;14:112. doi: 10.1186/1471-2105-14-112

Table 8.

Comparison of pathway data content in MetaCyc and KEGG

Category MetaCyc KEGG
Pathway classes
490
107
Pathway instances
2142
416
Pathways with comments
2122
51
Mean comment length
2240.6
83.6
DB links per pathway
0.34
0.88
Reactions per pathway 5.73 19.10

KEGG pathway classes were extracted from the MAP and MODULE datasets based on the CLASS attribute. Comment length is measured in number of characters.