Crystal Structure of Arabidopsis thaliana Spermidine Synthase isoform 2 (AtSPDS2)
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A | e6o64A1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: Sigma70_r2,Sigma70_ner | F: | ECOD (20:10:01) | |
| B | e6o64B1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: Sigma70_r2,Sigma70_ner | F: | ECOD (20:10:01) | |
| C | e6o64C1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: Sigma70_r2,Sigma70_ner | F: | ECOD (20:10:01) | |
| E | e6o64E1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: Sigma70_r2,Sigma70_ner | F: | ECOD (20:10:01) | |
| F | e6o64F1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: Sigma70_r2,Sigma70_ner | F: | ECOD (20:10:01) | |
| G | e6o64G1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: | F: | ECOD (20:10:01) | |
| H | e6o64H1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: Sigma70_r2,Sigma70_ner | F: | ECOD (20:10:01) | |
| D | e6o64D1 | A: P-loop domains-like | X: P-loop domains-related | H: P-loop containing nucleoside triphosphate hydrolases | T: Sigma70_r2,Sigma70_ner | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF17284 | Spermidine synthase tetramerisation domain (Spermine_synt_N) | Spermidine synthase tetramerisation domain | This domain represents the N-terminal tetramerization domain from spermidine synthase. | Domain | |
| PF01564 | Spermine/spermidine synthase domain (Spermine_synth) | Spermine/spermidine synthase domain | Spermine and spermidine are polyamines. This family includes spermidine synthase that catalyses the fifth (last) step in the biosynthesis of spermidine from arginine, and spermine synthase. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| Spermidine synthase 2 |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR030668 | Spermidine/spermine synthase, eukaryotes | Family | |
| IPR001045 | Spermidine/spermine synthases | Family | |
| IPR029063 | S-adenosyl-L-methionine-dependent methyltransferase superfamily | Homologous Superfamily | |
| IPR030374 | Polyamine biosynthesis domain | Domain | |
| IPR037163 | Spermidine synthase, tetramerisation domain superfamily | Homologous Superfamily | |
| IPR030373 | Polyamine biosynthesis domain, conserved site | Conserved Site | |
| IPR035246 | Spermidine synthase, tetramerisation domain | Domain |














