6.3.1.8	2 glutathione + spermidine + 2 ATP	trypanothione synthase overall reaction	Crithidia fasciculata	N1,N8-bis(glutathionyl)spermidine + 2 ADP + 2 phosphate	-	?	378685	
6.3.1.8	gamma-Glu-Gly-Gly + spermidine + ATP	at 14% of the activity with gamma-L-Glu-L-Cys-Gly	Crithidia fasciculata	N1-(gamma-Glu-Gly-Gly)-spermidine + ADP + phosphate	-	?	389	
6.3.1.8	gamma-Glu-L-Cys(S-butyl)-Gly + spermidine + ATP	at 24% of the activity with gamma-L-Glu-L-Cys-Gly	Crithidia fasciculata	N1-(gamma-Glu-L-Cys(S-butyl)-Gly)-spermidine + ADP + phosphate	-	?	387	
6.3.1.8	gamma-Glu-L-Cys(S-ethyl)-Gly + spermidine + ATP	at 77% of the activity with gamma-L-Glu-L-Cys-Gly	Crithidia fasciculata	N1-(gamma-Glu-L-Cys(S-ethyl)-Gly)-spermidine + ADP + phosphate	-	?	385	
6.3.1.8	gamma-Glu-L-Cys(S-propyl)-Gly + spermidine + ATP	at 56% of the activity with gamma-L-Glu-L-Cys-Gly	Crithidia fasciculata	N1-(gamma-Glu-L-Cys(S-propyl)-Gly)-spermidine + ADP + phosphate	-	?	386	
6.3.1.8	gamma-Glu-L-Ser-Gly + spermidine + ATP	at 16% of the activity with gamma-L-Glu-L-Cys-Gly	Crithidia fasciculata	N1-(gamma-Glu-L-Ser-Gly)-spermidine + ADP + phosphate	-	?	388	
6.3.1.8	gamma-L-Glu-L-Ala-Gly + spermidine + ATP	at 28% of the activity with gamma-L-Glu-L-Cys-Gly	Crithidia fasciculata	N1-(gamma-L-Glu-L-Ala-Gly)-spermidine + ADP + phosphate	-	?	390	
6.3.1.8	gamma-L-Glu-L-alpha-aminobutyryl-Gly + spermidine + ATP	gamma-L-Glu-L-alpha-aminobutyryl-Gly i.e. ophthalmic acid	Crithidia fasciculata	N1-(gamma-L-Glu-L-alpha-aminobutyryl-Gly)-spermidine	-	?	393	
6.3.1.8	gamma-L-Glu-L-Cys(S-methyl)-Gly + spermidine + ATP	at 74% of the activity with gamma-L-Glu-L-Cys-Gly	Crithidia fasciculata	N1-(gamma-L-Glu-L-Cys(S-methyl)-Gly)-spermidine + ADP + phosphate	-	?	384	
6.3.1.8	gamma-L-Glu-L-Cys-Gly + spermidine + ATP	-	Escherichia coli	N1-(gamma-L-Glu-L-Cys-Gly)-spermidine + ADP + phosphate	-	?	383