Brand  (β version)

PDB ID: 2HK1

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

Code : 2HK1   PDBj   RCSB PDB   PDBe
Header : ISOMERASE
Title : Crystal structure of D-psicose 3-epimerase (DPEase) in the presence of D-fructose
Release Data : 2006-08-29
Compound :
mol_id molecule chains synonym
1 D-PSICOSE 3-EPIMERASE A,B,C,D D-tagatose 3-epimerase, DTEASE, AGR_L_260p
ec: 5.3.1.-
Source :
mol_id organism_scientific expression_system
1 Agrobacterium tumefaciens  (taxid:358) Escherichia coli  (taxid:562)
expression_system_vector_type: plasmid
expression_system_plasmid: pET15b
Authors : Kim, K., Kim, H.J., Oh, D.K., Cha, S.S., Rhee, S.
Keywords : TIM-barrel, ISOMERASE
Exp. method : X-RAY DIFFRACTION ( 2.300 Å )
Citation :

Crystal Structure of d-Psicose 3-epimerase from Agrobacterium tumefaciens and its Complex with True Substrate d-Fructose: A Pivotal Role of Metal in Catalysis, an Active Site for the Non-phosphorylated Substrate, and its Conformational Changes

Kim, K.,Kim, H.J.,Oh, D.K.  et al.
(2006)  J.Mol.Biol.  361 : 920 - 931

PubMed: 16876192
DOI: 10.1016/j.jmb.2006.06.069

Reaction

Chain : A, B, C, D
UniProt : A9CH28 (DPES_AGRFC)
Reaction: EC: Evidence:
Physiological Direction:
D-allulose = keto-D-fructose 5.1.3.30 PubMed:16461638
-
Cofactor: Evidence: Note:
Co(2+) ECO:0000269 | PubMed:16461638
ECO:0000269 | PubMed:16876192
ECO:0000269 | PubMed:16461638
Binds 1 Mn(2+) or Co(2+) ion per subunit.