HAMAP rule MF_00557
General rule information
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Accession | MF_00557 |
Dates | 23-MAY-2002 (Created) 14-MAY-2022 (Last updated, Version 26) |
Name | Alginate_lyase |
Scope | Bacteria |
Templates | Q06749 (ALGL_PSEAE); O50660 (ALGL_AZOCH); O52195 (ALGL_AZOVI); Q9L7P2 (ALGL_PSESY): [Recover all] |
Triggered by |
Propagated annotation
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Identifier, protein and gene names
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Identifier |
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Protein name |
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case <Feature:Signal>
Protein name |
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end case
Gene name |
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Comments
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case defined <Property:Membrane> and <Property:Membrane=2>
Function | Catalyzes the depolymerization of alginate by cleaving the beta-1,4 glycosidic bond between two adjacent sugar residues via a beta-elimination mechanism. May serve to degrade mislocalized alginate that is trapped in the periplasmic space. |
else
Function | Catalyzes the depolymerization of alginate by cleaving the beta-1,4 glycosidic bond between two adjacent sugar residues via a beta-elimination mechanism. |
end case
Catalytic activity | Reaction=Eliminative cleavage of alginate to give oligosaccharides with 4-deoxy-alpha-L-erythro-hex-4-enuronosyl groups at their non-reducing ends and beta-D-mannuronate at their reducing end.; EC=4.2.2.3; |
case defined <Property:Membrane> and <Property:Membrane=2>
Subcellular location | Periplasm. |
end case
Similarity | Belongs to the polysaccharide lyase 5 family. |
Keywords
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case <Feature:Signal>
end case
case defined <Property:Membrane> and <Property:Membrane=2>
end case
Gene Ontology
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GO:0045135; Molecular function: poly(beta-D-mannuronate) lyase activity.
GO:0042122; Biological process: alginic acid catabolic process.
GO:0042122; Biological process: alginic acid catabolic process.
case defined <Property:Membrane> and <Property:Membrane=2>
GO:0042597; Cellular component: periplasmic space.
end case
Cross-references
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Pfam | PF05426; Alginate_lyase; 1; |
Computed features
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General | Signal; -; 1; trigger=yes; |
Features
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From: ALGL_PSEAE (Q06749) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
BINDING | 65 | 66 | /ligand="substrate | S-K | ||||||||
BINDING | 138 | 139 | /ligand="substrate | H-T | ||||||||
BINDING | 256 | 256 | /ligand="substrate | Y |
Additional information
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Size range | 367-378 amino acids |
Related rules | None |
Fusion | None |