_EC 5.4.99.11 Isomaltulose synthase. 2 PDB entries  
EC 5.-.-.- Isomerases. [2,272 PDB entries]
EC 5.4.-.- Intramolecular transferases (mutases). [417 PDB entries]
EC 5.4.99.- Transferring other groups. [193 PDB entries]
EC 5.4.99.11 Isomaltulose synthase. [2 PDB entries]    
3gbd

Reaction: Sucrose = 6-O-alpha-D-glucopyranosyl-D-fructofuranose.
 


Sucrose
=
6-O-alpha-D-glucopyranosyl-D-fructofuranose
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Other name(s): Isomaltulose synthetase. Sucrose glucosylmutase.
Comments: Simultaneously produces isomaltulose (6-O-alpha-D-glucopyranosyl-D- fructose) and smaller amounts of trehalulose (1-O-alpha-D- glucopyranosyl-beta-D-fructose) from sucrose. Formerly Ec 5.4.99.10.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are 2 PDB entries in enzyme class E.C.5.4.99.11

  PDB code Protein
3gbd
Crystal structure of the isomaltulose synthase smua from protaminobacter rubrum
Source: Protaminobacter rubrum. Organism_taxid: 126825. Strain: cbs 547.77. Gene: smua. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (558 residues) CATH domains: 3.20.20.80 3.90.400.10 2.60.40.1180
3gbe
Crystal structure of the isomaltulose synthase smua from protaminobacter rubrum in complex with the inhibitor deoxyn
Source: Protaminobacter rubrum. Organism_taxid: 126825. Strain: cbs 547.77. Gene: smua. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (558 residues) CATH domains: 3.20.20.80 3.90.400.10 2.60.40.1180
Bound ligand:   Het Group NOJ is 41.67% similar to enzyme reactant Sucrose