7XIH

Crystal structure of the aminopropyltransferase, SpeE from hyperthermophilic crenarchaeon, Pyrobaculum calidifontis in complex with 5'-methylthioadenosine (MTA) and spermidine

External Resource: Annotation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ASpermine_synt_Ne7xihA2 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_synthe7xihA1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Spermine_synthECOD (1.6)
BSpermine_synt_Ne7xihB2 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_synthe7xihB1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Spermine_synthECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF17284Spermidine synthase tetramerisation domain (Spermine_synt_N)Spermidine synthase tetramerisation domainThis domain represents the N-terminal tetramerization domain from spermidine synthase.Domain
A, B
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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Polyamine aminopropyltransferase

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR001045Spermidine/spermine synthasesFamily
A, B
IPR029063S-adenosyl-L-methionine-dependent methyltransferase superfamilyHomologous Superfamily
A, B
IPR030374Polyamine biosynthesis domainDomain
A, B
IPR037163Spermidine synthase, tetramerisation domain superfamilyHomologous Superfamily
A, B
IPR030373Polyamine biosynthesis domain, conserved siteConserved Site
A, B
IPR035246Spermidine synthase, tetramerisation domainDomain