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Literature summary for 4.2.2.3 extracted from

  • Iwamoto, Y.; Hidaka, H.; Oda, T.; Muramatsu, T.
    A study of tryptophan fluorescence quenching of bifunctional alginate lyase from a marine bacterium Pseudoalteromonas sp. strain No. 272 by acrylamide (2003), Biosci. Biotechnol. Biochem., 67, 1990-1992.
    View publication on PubMed
Search for more literature for 4.2.2.3

Organism

Organism UniProt Comment Textmining
Pseudoalteromonas sp.
-
 bifunctional enzyme, mannuronate- and guluronate-specific alginate lyase
-
Pseudoalteromonas sp. 272
-
 bifunctional enzyme, mannuronate- and guluronate-specific alginate lyase
-

Reaction

Reaction Comment Organism Reaction ID
R2-beta-D-mannuronic acid-R1 = R2-OH + 4-deoxy-alpha-L-erythro-hex-4-enopyranuronosyl-R1 also performs reaction of EC 4.2.2.11, the enzyme molecule shows a cleft which might bear the active site with a tryptophan residue being involved in the catalytic reaction Pseudoalteromonas sp.
a

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
hepta-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
hepta-beta1,4-D-mannuronic acid
-
 Pseudoalteromonas sp. D-mannuronic acid
-
 ?
hexa-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
hexa-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 272 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
hexa-beta1,4-D-mannuronic acid
-
 Pseudoalteromonas sp. D-mannuronic acid
-
 ?
penta-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
penta-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 272 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
penta-beta1,4-D-mannuronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-beta-1,4-oligo-D-mannuronate + D-mannuronate
-
 ?
poly-alpha1,4-L-guluronic acid heteropolymers and homopolymers, bifunctional enzyme AAlyase, preference for Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
poly-alpha1,4-L-guluronic acid heteropolymers and homopolymers, bifunctional enzyme AAlyase, preference for Pseudoalteromonas sp. 272 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
poly-beta1,4-D-mannuronic acid heteropolymers and homopolymers, bifunctional enzyme AAlyase Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-beta-1,4-oligo-D-mannuronate + D-mannuronate
-
 ?
poly-beta1,4-D-mannuronic acid heteropolymers and homopolymers, bifunctional enzyme AAlyase Pseudoalteromonas sp. 272 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-beta-1,4-oligo-D-mannuronate + D-mannuronate
-
 ?
tetra-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
tetra-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 272 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
tetra-beta1,4-D-mannuronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-beta-1,4-D-mannuronoyl-beta-1,4-D-mannuranote + D-mannuronate
-
 ?

Synonyms

Synonyms Comment Organism
AAlyase
-
 Pseudoalteromonas sp.
alginate lyase
-
 Pseudoalteromonas sp.