Literature summary for 4.2.2.14 extracted from

Michaud, P.; Pheulpin, P.; Petit, E.; Seguin, J.P.; Barboutin, J.N.; Heyraud, A.; Courtois, B.; Courtois, J.
Identification of glucuronan lyase from a mutant strain of Rhizobium meliloti (1997), Int. J. Biol. Macromol., 21, 3-9.

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Natural Substrates/ Products (Substrates)

Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
acetylated (1->4)-beta-D-glucuronan	Sinorhizobium meliloti	-	4-deoxy-beta-D-gluc-4-enuronosyl (1->4)-beta-D-glucuronan	-	?
acetylated (1->4)-beta-D-glucuronan	Sinorhizobium meliloti M5N1 CS	-	4-deoxy-beta-D-gluc-4-enuronosyl (1->4)-beta-D-glucuronan	-	?

Organism

Organism	UniProt	Comment	Textmining
Sinorhizobium meliloti	-	M5N1CS (NCIMB 40472) mutant strain	-
Sinorhizobium meliloti M5N1 CS	-	M5N1CS (NCIMB 40472) mutant strain	-

Reaction

Reaction	Comment	Organism	Reaction ID
[1,4-beta-D-Glucuronan]4n = n-1 4-deoxy-beta-D-gluc-4-enuronosyl-[1,4-beta-D-GlcA]3 + [1,4-beta-D-Glucuronan]4	complete degradation of glucuronans results in the formation of tetrasaccharides	Sinorhizobium meliloti	a

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
acetylated (1->4)-beta-D-glucuronan	-	Sinorhizobium meliloti	4-deoxy-beta-D-gluc-4-enuronosyl (1->4)-beta-D-glucuronan	-	?
acetylated (1->4)-beta-D-glucuronan	-	Sinorhizobium meliloti M5N1 CS	4-deoxy-beta-D-gluc-4-enuronosyl (1->4)-beta-D-glucuronan	-	?
deacetylated (1->4)-beta-D-glucuronan	-	Sinorhizobium meliloti	4-deoxy-beta-D-gluc-4-enuronosyl (1->4)-beta-D-glucuronan	-	?
deacetylated (1->4)-beta-D-glucuronan	-	Sinorhizobium meliloti M5N1 CS	4-deoxy-beta-D-gluc-4-enuronosyl (1->4)-beta-D-glucuronan	-	?

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Release 2023.1 (January 2023)