_EC 4.2.1.6 Galactonate dehydratase. 2 PDB entries  
EC 4.-.-.- Lyases. [3,636 PDB entries]
EC 4.2.-.- Carbon-oxygen lyases. [1,771 PDB entries]
EC 4.2.1.- Hydro-lyases. [1,375 PDB entries]
EC 4.2.1.6 Galactonate dehydratase. [2 PDB entries]    
3rr1

Reaction: D-galactonate = 2-dehydro-3-deoxy-D-galactonate + H(2)O.
 


D-galactonate
=
2-dehydro-3-deoxy-D-galactonate
+ H(2)O
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Comments: The enzyme shows no activity with D-gluconate. Cf. Ec 4.2.1.140.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are 2 PDB entries in enzyme class E.C.4.2.1.6

  PDB code Protein
3rr1
Crystal structure of enolase prk14017 (target efi-500653) fr ralstonia pickettii 12j
Source: Ralstonia pickettii. Organism_taxid: 402626. Strain: 12j. Gene: dgod, rpic_2990. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (372 residues) CATH domains: 3.30.390.10 3.20.20.120
Bound ligand:   Het Group MLT is 61.54% similar to enzyme product 2-dehydro-3-deoxy-D-galactonate
3rra
Crystal structure of enolase prk14017 (target efi-500653) fr ralstonia pickettii 12j with magnesium bound
Source: Ralstonia pickettii. Organism_taxid: 402626. Strain: 12j. Gene: dgod, rpic_2990. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (374 residues) CATH domains: 3.30.390.10 3.20.20.120