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CATH Classification

Domain Context

CATH Clusters

Superfamily Exo-inulinase; domain 1
Functional Family Beta-fructofuranosidase, insoluble isoenzyme CWINV1

Enzyme Information

3.2.1.26
Beta-fructofuranosidase.
based on mapping to UniProt Q43866
Hydrolysis of terminal non-reducing beta-D-fructofuranoside residues in beta-D-fructofuranosides.
-!- Substrates include sucrose. -!- Also catalyzes fructotransferase reactions.

UniProtKB Entries (2)

Q43866
INV1_ARATH
Arabidopsis thaliana
Beta-fructofuranosidase, insoluble isoenzyme CWINV1
O49908
O49908_TOBAC
Nicotiana tabacum
Invertase inhibitor

PDB Structure

PDB 2XQR
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural Insights Into the Ph-Controlled Targeting of Plant Cell-Wall Invertase by a Specific Inhibitor Protein.
Hothorn, M., Van Den Ende, W., Lammens, W., Rybin, V., Scheffzek, K.
Proc.Natl.Acad.Sci.USA
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