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Your query returned 1 entry. 
Printable version
| EC | 4.2.99.25 | ||
| Accepted name: | unsaturated pyranuronate lyase | ||
| Reaction: | (1) 4-deoxy-L-erythro-hex-4-enopyranuronate = (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate (2) 4-deoxy-L-threo-hex-4-enopyranuronate = (4S,5R)-4,5-dihydroxy-2,6-dioxohexanoate |
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| Glossary: | 4-deoxy-L-erythro-hex-4-enopyranuronate = 4,5-unsaturated D-galacturonate 4-deoxy-L-threo-hex-4-enopyranuronate = 4,5-unsaturated D-mannuronate/L-guluronate (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate = 5-keto-4-deoxyuronate (4S,5R)-4,5-dihydroxy-2,6-dioxohexanoate = 5-dehydro-4-deoxy-D-glucuronate |
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| Other name(s): | kdgF (gene name) | ||
| Systematic name: | 4,5-unsaturated pyranuronate lyase (ring-opening) | ||
| Comments: | The enzyme, found in bacteria and archaea, is involved in the degradation of polysaccharides such as alginate and pectin. The enzyme catalyses a pyranose ring-opening reaction followed by enol-keto tautomerization. | ||
| Links to other databases: | BRENDA, EXPASY, KEGG, MetaCyc | ||
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