2.6.1.18 beta-alanine + pyruvate - 2.6.1.18 beta-alanine + pyruvate enzyme may be involved in pyrimidine base catabolism 2.6.1.18 L-alanine + 3-oxopropanoate - 2.6.1.18 L-beta-amino-n-butyric acid + pyruvate - 2.6.1.18 pyruvate + beta-alanine - 2.6.1.18 pyruvate + beta-phenylalanine -