Brand  (β version)

PDB ID: 3VNK

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Ligands
Code Name Style Show Link
MN Manganese (II) ion PoSSuM
FUD D-fructose PoSSuM
Non-standard Residues
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Glycosylation
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Structure summary

Code : 3VNK   PDBj   RCSB PDB   PDBe
Header : ISOMERASE
Title : Crystal structures of D-Psicose 3-epimerase with D-fructose from Clostridium cellulolyticum H10
Release Data : 2012-08-01
Compound :
mol_id molecule chains
1 Xylose isomerase domain protein TIM barrel A,B,C,D
Source :
mol_id organism_scientific expression_system
1 Clostridium cellulolyticum  (taxid:394503) Escherichia coli  (taxid:562)
strain: H10
gene: Ccel_0941
expression_system_strain: BL21(DE3)
expression_system_vector_type: plasmid
expression_system_plasmid: pET-21d
Authors : Chan, H.C., Zhu, Y., Hu, Y., Ko, T.P., Huang, C.H., Ren, F., Chen, C.C., Guo, R.T., Sun, Y.
Keywords : D-Psicose 3-epimerase, ketohexose, TIM barrrel, isomerase
Exp. method : X-RAY DIFFRACTION ( 2.02 Å )
Citation :

Crystal structures of D-psicose 3-epimerase from Clostridium cellulolyticum H10 and its complex with ketohexose sugars.

Chan, H.C.,Zhu, Y.,Hu, Y.  et al.
(2012)  Protein Cell  3 : 123 - 131

PubMed: 22426981
DOI: 10.1007/s13238-012-2026-5

Reaction

Chain : A, B, C, D
UniProt : B8I944 (DPES_RUMCH)
Reaction: EC: Evidence:
Physiological Direction:
D-allulose = keto-D-fructose 5.1.3.30 PubMed:21663329
-
Cofactor: Evidence: Note:
Co(2+) ECO:0000269 | PubMed:21663329
ECO:0000269 | PubMed:22426981
ECO:0000269 | PubMed:21663329
Binds 1 Mn(2+) or Co(2+) ion per subunit. Can also use Mg(2+), Fe(2+) and Ni(2+) ions to a lesser extent.