MilkTS_CR_T1.Heatmap_Class.Purine_metabolism.clusters.txt Purine_metabolism MilkTS_CR_T1.Heatmap_Class.Pyrimidine_metabolism.clusters.txt Pyrimidine_metabolism MilkTS_CR_T1.Heatmap_Class.Pyruvate_metabolism.clusters.txt Pyruvate_metabolism