| G7K2D1 | DB03566 | 6bq7 | SPD | A | 401 | e6bq7A1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| G7K2D1 | DB03566 | 6bq7 | SPD | A | 401 | e6bq7A2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| G7K2D1 | DB03566 | 6bq7 | SPD | B | 401 | e6bq7B1 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| G7K2D1 | DB03566 | 6bq7 | SPD | B | 401 | e6bq7B2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |