| A3MU81 | DB00127 | 7xig | SPM | A | 302 | e7xigA1 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| A3MU81 | DB00127 | 7xig | SPM | A | 302 | e7xigA2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | B | 302 | e7xigB1 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| A3MU81 | DB00127 | 7xig | SPM | B | 302 | e7xigB2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | C | 302 | e7xigC1 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| A3MU81 | DB00127 | 7xig | SPM | C | 302 | e7xigC2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | D | 302 | e7xigD1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | D | 302 | e7xigD2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| A3MU81 | DB00127 | 7xig | SPM | E | 302 | e7xigE1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | E | 302 | e7xigE2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| A3MU81 | DB00127 | 7xig | SPM | F | 302 | e7xigF1 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| A3MU81 | DB00127 | 7xig | SPM | F | 302 | e7xigF2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | G | 302 | e7xigG1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | G | 302 | e7xigG2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| A3MU81 | DB00127 | 7xig | SPM | H | 302 | e7xigH1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| A3MU81 | DB00127 | 7xig | SPM | H | 302 | e7xigH2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |