ID   6.3.1.8
DE   glutathionylspermidine synthase.
AN   gamma-L-glutamyl-L-cysteinyl-glycine:spermidine ligase (ADP-forming).
AN   glutathione:spermidine ligase (ADP-forming).
AN   glutathionylspermidine synthetase.
AN   GSP synthetase.
CA   spermidine + glutathione + ATP = glutathionylspermidine + ADP +
CA   phosphate + H(+).
CC   -!- Involved in the synthesis of trypanothione in trypanosomatids.
CC   -!- The enzyme from Escherichia coli is bifunctional and also catalyzes
CC       the EC 3.5.1.78 reaction, resulting in a net hydrolysis of ATP.
DR   P90518, GSP_CRIFA  ;  P0AES0, GSP_ECOLI  ;  P0AES1, GSP_SHIFL  ;
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