ID 6.3.1.7 DE 4-methyleneglutamate--ammonia ligase. AN 4-methyleneglutamine synthetase. CA 4-methylene-L-glutamate + ATP + NH4(+) = 4-methylene-L-glutamine + AMP + CA diphosphate + H(+). CC -!- Glutamine can act instead of NH3, more slowly. //