2.6.1.19 4-aminobutanoate degradation I - - PWY-6535 2.6.1.19 4-aminobutanoate degradation II - - PWY-6537 2.6.1.19 4-aminobutanoate degradation III - - PWY-6536 2.6.1.19 4-aminobutanoate degradation V - - PWY-5022 2.6.1.19 alanine metabolism alanine metabolism - - 2.6.1.19 Alanine, aspartate and glutamate metabolism - 00250 - 2.6.1.19 beta-Alanine metabolism - 00410 - 2.6.1.19 Butanoate metabolism - 00650 - 2.6.1.19 GABA shunt I - - GLUDEG-I-PWY 2.6.1.19 GABA shunt II - - PWY-8346