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PDBsum entry 1xj5

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protein Protein-protein interface(s) links
Transferase PDB id
1xj5
Jmol PyMol
Contents
Protein chains
290 a.a. *
Waters ×576
* Residue conservation analysis
PDB id:
1xj5
Name: Transferase
Title: X-ray structure of spermidine synthase from arabidopsis thaliana gene at1g23820
Structure: Spermidine synthase 1. Chain: a, b, c, d. Synonym: putrescine aminopropyltransferase 1, spdsy 1. Engineered: yes
Source: Arabidopsis thaliana. Thale cress. Organism_taxid: 3702. Gene: at1g23820. Expressed in: escherichia coli. Expression_system_taxid: 562.
Biol. unit: Tetramer (from PQS)
Resolution:
2.70Å     R-factor:   0.188     R-free:   0.245
Authors: G.E.Wesenberg,D.W.Smith,G.N.Phillips Jr.,E.Bitto, C.A.Bingman,S.T.M.Allard,Center For Eukaryotic Structural Genomics (Cesg)
Key ref: Center for eukaryotic structural genomics X-Ray structure of spermidine synthase from arabidopsis thaliana gene at1g23820. To be published, .
Date:
22-Sep-04     Release date:   05-Oct-04    
PROCHECK
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 Headers
 References

Protein chains
Pfam   ArchSchema ?
Q9ZUB3  (SPD1_ARATH) -  Spermidine synthase 1
Seq:
Struc:
334 a.a.
290 a.a.
Key:    PfamA domain  Secondary structure  CATH domain

 Enzyme reactions 
   Enzyme class: E.C.2.5.1.16  - Spermidine synthase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]

      Pathway:
Spermine Biosynthesis
      Reaction: S-adenosyl 3-(methylthio)propylamine + putrescine = 5'-S-methyl- 5'-thioadenosine + spermidine
S-adenosyl 3-(methylthio)propylamine
+ putrescine
= 5'-S-methyl- 5'-thioadenosine
+ spermidine
Molecule diagrams generated from .mol files obtained from the KEGG ftp site
 Gene Ontology (GO) functional annotation 
  GO annot!
  Biological process     polyamine metabolic process   3 terms 
  Biochemical function     catalytic activity     4 terms  

 

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