1.1.99.14 glycolate dehydrogenase glycolate and glyoxylate degradation III 4.1.3.14 L-erythro-3-hydroxyaspartate aldolase glycolate and glyoxylate degradation III 4.3.1.20 erythro-3-hydroxy-L-aspartate ammonia-lyase glycolate and glyoxylate degradation III