HAMAP rule MF_00998
General rule information
[?]
| PURL | https://purl.expasy.org/hamap/rule/MF_00998 |
| Accession | MF_00998 |
| Dates | 31-MAR-2014 (Created)
05-JUL-2023 (Last updated, Version 10) |
| Name | SQ_isomerase |
| Scope(s) |
Bacteria Enterobacterales |
| Template(s) | P32140; Q8ZKT7; [ Recover all ] |
| Triggered by |
HAMAP; MF_00998 (Get profile general information and statistics) |
Propagated annotation
[?]
Identifier, protein and gene names
[?]
| Identifier | SQUS |
| Protein name | RecName: Full=Sulfoquinovose isomerase; Short=SQ isomerase; EC=5.3.1.31; |
Comments
[?]
| FUNCTION | Catalyzes the isomerization of sulfoquinovose (SQ) to 6- deoxy-6-sulfo-D-fructose (SF). |
| CATALYTIC ACTIVITY | Reaction=6-sulfo-beta-D-quinovose = 6-deoxy-6-sulfo-D-fructose; Xref=Rhea:RHEA:40439, ChEBI:CHEBI:77133, ChEBI:CHEBI:142957; EC=5.3.1.31; PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:40440; |
| SUBUNIT | Homohexamer. |
| SIMILARITY | Belongs to the N-acylglucosamine 2-epimerase family. |
Keywords
[?]
Gene Ontology
[?]
| GO:0061593; Molecular function:sulfoquinovose isomerase activity |
| GO:1902777; Biological process:6-sulfoquinovose(1-) catabolic process |
Cross-references
[?]
| Pfam | PF07221; GlcNAc_2-epim; 1; |
Features
[?]
| From: SQUS_SALTY (Q8ZKT7) | ||||||||||||
| Key | From | To | Description | Tag | Condition | FTGroup | ||||||
| ACT_SITE | 248 | 248 | /note="Proton donor/acceptor" | H | ||||||||
| ACT_SITE | 383 | 383 | /note="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
[?]
| Size range | 390-420 amino acids |
| Related rules |
None |
| Fusion | Nter: None Cter: None |