_EC 3.2.1.150 Oligoxyloglucan reducing-end-specific cellobiohydrolase. 2 PDB entries  
EC 3.-.-.- Hydrolases. [21,051 PDB entries]
EC 3.2.-.- Glycosylases. [4,101 PDB entries]
EC 3.2.1.- Glycosidases, i.e. enzymes hydrolyzing O- and S-glycosyl compound [3,577 PDB entries]
EC 3.2.1.150 Oligoxyloglucan reducing-end-specific cellobiohydrolase. [2 PDB entries]    
1sqj

Reaction: Hydrolysis of cellobiose from the reducing end of xyloglucans consisting of a beta-(1->4)-linked glucan carrying alpha-D-xylosyl groups on O-6 of the glucose residues. To be a substrate, the first residue must be unsubstituted, the second residue may bear a xylosyl group, whether further glycosylated or not, and the third residue, which becomes the new terminus by the action of the enzyme, is preferably xylosylated, but this xylose residue must not be further substituted.
Comments: The enzyme is found in the fungus Geotrichum sp. M128. The substrate is a hemicellulose found in plant cell walls.
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There are 2 PDB entries in enzyme class E.C.3.2.1.150

  PDB code Protein
1sqj
Crystal structure analysis of oligoxyloglucan reducing-end- specific cellobiohydrolase (oxg-rcbh)
Source: Geotrichum sp. M128. Organism_taxid: 203496. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (770 residues) CATH domains: 2.130.10.10 2.130.10.10
2ebs
Crystal structure anaalysis of oligoxyloglucan reducing-end- specific cellobiohydrolase (oxg-rcbh) d465n mutant complexed with a xyloglucan heptasaccharide
Source: Geotrichum sp. M128. Organism_taxid: 203496. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (770 residues) CATH domains: 2.130.10.10 2.130.10.10