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Predicting Network Activity from High Throughput Metabolomics

Figure 6

Application of mummichog to additional data sets.

Metabolite prediction by mummichog is in good agreement with annotation in the original studies, 97% for the human urine data [63] and 86% for the yeast data [64]. The metabolites not in the original annotation (yellow) can not be compared. The “-z” option in mummichog enforces the presence of primary ion (M+H[+] for positive mode, M−H[−] for negative mode). This shifts the coverage in the huamn data set, but not much for the yeast data of limited annotation.

Figure 6