| O48661 | n/a | 6o64 | PEG | A | 402 | e6o64A1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| O48661 | n/a | 6o64 | PEG | A | 402 | e6o64A2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| O48661 | n/a | 6o64 | PEG | B | 401 | e6o64B1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| O48661 | n/a | 6o64 | PEG | B | 401 | e6o64B2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| O48661 | n/a | 6o64 | PEG | C | 401 | e6o64C1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| O48661 | n/a | 6o64 | PEG | C | 401 | e6o64C2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| O48661 | n/a | 6o64 | PEG | D | 404 | e6o64C1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| O48661 | n/a | 6o64 | PEG | D | 404 | e6o64D2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| O48661 | n/a | 6o64 | PEG | E | 404 | e6o64E1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| O48661 | n/a | 6o64 | PEG | E | 404 | e6o64E2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| O48661 | n/a | 6o64 | PEG | F | 403 | e6o64F2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| O48661 | n/a | 6o64 | PEG | G | 401 | e6o64G1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| O48661 | n/a | 6o64 | PEG | G | 401 | e6o64G2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |