1.5.8.3 creatinine degradation creatinine degradation - 1.5.8.3 creatinine degradation I - - 1.5.8.3 creatinine degradation II - - 1.5.8.3 glycine betaine degradation II (mammalian) - - 1.5.8.3 Glycine, serine and threonine metabolism - 00260 1.5.8.3 Metabolic pathways - 01100