| P52788 | DB00127 | 3c6m | SPM | A | 501 | e3c6mA2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| P52788 | DB00127 | 3c6m | SPM | A | 501 | e3c6mA3 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| P52788 | DB00127 | 3c6m | SPM | B | 501 | e3c6mB3 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| P52788 | DB00127 | 3c6m | SPM | B | 501 | e3c6mB4 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| P52788 | DB00127 | 3c6m | SPM | C | 501 | e3c6mC1 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |
| P52788 | DB00127 | 3c6m | SPM | C | 501 | e3c6mC2 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| P52788 | DB00127 | 3c6m | SPM | D | 501 | e3c6mD1 | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermidine synthase tetramerisation domain | Spermine_synt_N |
| P52788 | DB00127 | 3c6m | SPM | D | 501 | e3c6mD2 | Rossmann-like | Rossmann-related | S-adenosyl-L-methionine-dependent methyltransferases | Spermine_synth |