HAMAP rule MF_00998
General rule information
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Accession | MF_00998 |
Dates | 31-MAR-2014 (Created) 5-JUL-2023 (Last updated, Version 9) |
Name | SQ_isomerase |
Scope | Bacteria; Enterobacterales |
Templates | P32140 (SQUS_ECOLI); Q8ZKT7 (SQUS_SALTY): [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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Comments
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Function | Catalyzes the isomerization of sulfoquinovose (SQ) to 6-deoxy-6-sulfo-D-fructose (SF). |
Catalytic activity | RHEA:40439: 6-sulfo-beta-D-quinovose = 6-deoxy-6-sulfo-D-fructose
EC 5.3.1.31 PhysiologicalDirection=left-to-right (RHEA:40440) |
Subunit | Homohexamer. |
Similarity | Belongs to the N-acylglucosamine 2-epimerase family. |
Keywords
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Gene Ontology
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GO:0061593; Molecular function: sulfoquinovose isomerase activity.
GO:1902777; Biological process: 6-sulfoquinovose(1-) catabolic process.
GO:1902777; Biological process: 6-sulfoquinovose(1-) catabolic process.
Cross-references
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Pfam | PF07221; GlcNAc_2-epim; 1; |
Features
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From: SQUS_SALTY (Q8ZKT7) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
ACT_SITE | 248 | 248 | Proton donor/acceptor | H | ||||||||
ACT_SITE | 383 | 383 | Proton donor/acceptor | H | ||||||||
BINDING | 55 | 55 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | R | ||||||||
BINDING | 111 | 111 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | Y | ||||||||
BINDING | 172 | 172 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | N | ||||||||
BINDING | 176 | 176 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | H | ||||||||
BINDING | 238 | 238 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | R | ||||||||
BINDING | 251 | 251 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | E | ||||||||
BINDING | 362 | 362 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | Q | ||||||||
BINDING | 379 | 379 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | Q | ||||||||
BINDING | 383 | 383 | /ligand="6-sulfo-beta-D-quinovose" /ligand_id="ChEBI:CHEBI:142957 | H |
Additional information
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Size range | 390-420 amino acids |
Related rules | None |
Fusion | None |