4.1.3.22 citramalate lyase L-glutamate degradation VI (to pyruvate) - 4.2.1.34 (S)-2-methylmalate dehydratase L-glutamate degradation VI (to pyruvate) - 4.3.1.2 methylaspartate ammonia-lyase L-glutamate degradation VI (to pyruvate) - 5.4.99.1 methylaspartate mutase L-glutamate degradation VI (to pyruvate) -