| G7K2D1 | n/a | 6bq3 | DSH | A | 401 | e6bq3A1 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| G7K2D1 | n/a | 6bq3 | DSH | A | 401 | e6bq3A2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| G7K2D1 | n/a | 6bq3 | DSH | B | 401 | e6bq3B1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| G7K2D1 | n/a | 6bq3 | DSH | B | 401 | e6bq3B2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |