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CATH Classification

Domain Context

CATH Clusters

Superfamily Single-stranded right-handed beta-helix, Pectin lyase-like
Functional Family

Enzyme Information

5.1.3.37
Mannuronan 5-epimerase.
based on mapping to UniProt Q44493
(Mannuronan)-beta-D-mannuronate = (alginate)-alpha-L-guluronate.
-!- The enzyme epimerizes the C-5 bond in some beta-D-mannuronate residues in mannuronan, converting them to alpha-L-guluronate residues, and thus modifying the mannuronan into alginate. -!- It is found in brown algae and alginate-producing bacterial species from the Pseudomonas and Azotobacter genera.

UniProtKB Entries (1)

Q44493
ALGE4_AZOVI
Azotobacter vinelandii
Mannuronan C5-epimerase AlgE4

PDB Structure

PDB 2PYH
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structural and Mutational Characterization of the Catalytic A-module of the Mannuronan C-5-epimerase AlgE4 from Azotobacter vinelandii.
Rozeboom, H.J., Bjerkan, T.M., Kalk, K.H., Ertesvag, H., Holtan, S., Aachmann, F.L., Valla, S., Dijkstra, B.W.
J.Biol.Chem.
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