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2.4.1.339: beta-1,2-mannobiose phosphorylase

This is an abbreviated version!
For detailed information about beta-1,2-mannobiose phosphorylase, go to the full flat file.

Reaction

beta-D-mannopyranosyl-(1->2)-D-mannopyranose
+
phosphate
=
D-mannopyranose
+
alpha-D-mannose 1-phosphate

Synonyms

Lin0857

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.339 beta-1,2-mannobiose phosphorylase

Crystallization

Crystallization on EC 2.4.1.339 - beta-1,2-mannobiose phosphorylase

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CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
sitting drop vapor diffusion method at 20°C, crystals complexed with beta-1,2-Man2 and beta-1,2-Man3 are prepared by soaking in the cryoprotectant solution supplemented with 50 mM beta-1,2-Man2 or 10 mM beta-1,2-Man3. beta-1,2-Mannotriose is bound in a U-shape, interacting with a phosphate analog at both ends. Lin0857 has a unique dimer structure connected by a loop, and a significant open–close loop displacement iss observed for substrate entry. A long loop, which is exclusively present in Lin0857, covers the active site to limit the pocket size. A structural basis for substrate recognition and phosphorolysis is provided