L-alanyl-D-glutamate + meso-2,6-diaminopimelate => L-alanyl-gamma-D-glutamyl-meso-2,6-diaminopimelate + H2O
l-alanyl-d-glutamate + meso-2,6-diaminopimelate => l-alanyl-gamma-d-glutamyl-meso-2,6-diaminopimelate + h2o
L-alanyl-D-glutamate + meso-2,6-diaminopimelate => L-alanyl-gamma-D-glutamyl-meso-2,6-diaminopimelate + H2O
l-alanyl-d-glutamate + meso-2,6-diaminopimelate => l-alanyl-gamma-d-glutamyl-meso-2,6-diaminopimelate + h2o