Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyS-adenosyl-L-methionine-dependent methyltransferases 8061327 3000118 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyS-adenosyl-L-methionine-dependent methyltransferases 8061327 3000118 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyS-adenosyl-L-methionine-dependent methyltransferases 8061327 3000118 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BSpermine_synt_Ne4bp3B1 A: beta meandersX: Spermidine synthase tetramerisation domain (From Topology)H: Spermidine synthase tetramerisation domain (From Topology)T: Spermidine synthase tetramerisation domainF: Spermine_synt_NECOD (1.6)
BSpermine_synthe4bp3B2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Spermine_synthECOD (1.6)
ASpermine_synt_Ne4bp3A1 A: beta meandersX: Spermidine synthase tetramerisation domain (From Topology)H: Spermidine synthase tetramerisation domain (From Topology)T: Spermidine synthase tetramerisation domainF: Spermine_synt_NECOD (1.6)
ASpermine_synthe4bp3A2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Spermine_synthECOD (1.6)
CSpermine_synt_Ne4bp3C1 A: beta meandersX: Spermidine synthase tetramerisation domain (From Topology)H: Spermidine synthase tetramerisation domain (From Topology)T: Spermidine synthase tetramerisation domainF: Spermine_synt_NECOD (1.6)
CSpermine_synthe4bp3C2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Spermine_synthECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C
PF17284Spermidine synthase tetramerisation domain (Spermine_synt_N)Spermidine synthase tetramerisation domainThis domain represents the N-terminal tetramerization domain from spermidine synthase.Domain
A, B, C
PF01564Spermine/spermidine synthase domain (Spermine_synth)Spermine/spermidine synthase domainSpermine 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