| Q8II73 | DB01917 | 4bp1 | PUT | A | 601 | e4bp1A1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| Q8II73 | DB01917 | 4bp1 | PUT | A | 601 | e4bp1A2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| Q8II73 | DB01917 | 4bp1 | PUT | B | 601 | e4bp1B1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| Q8II73 | DB01917 | 4bp1 | PUT | B | 601 | e4bp1B2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| Q8II73 | DB01917 | 4bp1 | PUT | C | 601 | e4bp1C1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| Q8II73 | DB01917 | 4bp1 | PUT | C | 601 | e4bp1C2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |