G8JKM9 · G8JKM9_POPTO
- Proteinspermidine synthase
- StatusUniProtKB unreviewed (TrEMBL)
- Amino acids335 (go to sequence)
- Protein existenceEvidence at transcript level
- Annotation score2/5
Function
Catalytic activity
- putrescine + S-adenosyl 3-(methylsulfanyl)propylamine = H+ + S-methyl-5'-thioadenosine + spermidine
Pathway
Amine and polyamine biosynthesis; spermidine biosynthesis; spermidine from putrescine: step 1/1.
Features
Showing features for active site.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Active site | 201 | Proton acceptor | ||||
Sequence: D |
GO annotations
Aspect | Term | |
---|---|---|
Molecular Function | transferase activity | |
Biological Process | polyamine biosynthetic process |
Keywords
- Molecular function
- Biological process
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended namespermidine synthase
- EC number
Organism names
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > rosids > fabids > Malpighiales > Salicaceae > Saliceae > Populus
Accessions
- Primary accessionG8JKM9
Structure
Family & Domains
Features
Showing features for region, compositional bias, domain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Region | 1-35 | Disordered | ||||
Sequence: MAEESVVTDLPVKRPREDEENGASAATEAMETETN | ||||||
Compositional bias | 9-23 | Basic and acidic residues | ||||
Sequence: DLPVKRPREDEENGA | ||||||
Domain | 45-282 | PABS | ||||
Sequence: PGWFSEISPMWPGEAHSLKVEKILFQGRSDYQNVMVFQSSTYGKVLVLDGVIQLTERDECAYQEMITHLPLCSIANPKKVLVIGGGDGGVLREVARHASVVQIDICEIDKMVVDVSKKFFPDVSVGYEDPRVTLHIGDGVAFLKAVPEGTYDAVIVDSSDPIGPAQELFEKPFFESIAKALRPGGVVSTQAESIWLHMNIIEDIVANCHQIFKGSVNYAWTTVPTYPSGMIGFMLCST |
Sequence similarities
Belongs to the spermidine/spermine synthase family.
Family and domain databases
Sequence
- Sequence statusComplete
- Length335
- Mass (Da)36,651
- Last updated2012-01-25 v1
- Checksum6753DEE11A643517
Features
Showing features for compositional bias.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Compositional bias | 9-23 | Basic and acidic residues | ||||
Sequence: DLPVKRPREDEENGA |