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Literature summary 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

Organism

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

Reaction

EC Number Reaction Comment Organism Reaction ID
4.2.2.3 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)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.2.3 hepta-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
4.2.2.3 hepta-beta1,4-D-mannuronic acid
-
 Pseudoalteromonas sp. D-mannuronic acid
-
 ?
4.2.2.3 hexa-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
4.2.2.3 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
-
 ?
4.2.2.3 hexa-beta1,4-D-mannuronic acid
-
 Pseudoalteromonas sp. D-mannuronic acid
-
 ?
4.2.2.3 penta-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
4.2.2.3 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
-
 ?
4.2.2.3 penta-beta1,4-D-mannuronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-beta-1,4-oligo-D-mannuronate + D-mannuronate
-
 ?
4.2.2.3 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
-
 ?
4.2.2.3 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
-
 ?
4.2.2.3 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
-
 ?
4.2.2.3 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
-
 ?
4.2.2.3 tetra-alpha1,4-L-guluronic acid
-
 Pseudoalteromonas sp. 4-deoxy-alpha-L-erythro-hex-4-enuronosyl-alpha-1,4-oligo-L-guluronate + L-guluronate
-
 ?
4.2.2.3 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
-
 ?
4.2.2.3 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

EC Number Synonyms Comment Organism
4.2.2.3 AAlyase
-
 Pseudoalteromonas sp.
4.2.2.3 alginate lyase
-
 Pseudoalteromonas sp.