P85080 (GTF3_LEUME) Reviewed, UniProtKB/Swiss-Prot
Last modified
January 9, 2013.
Version 12.
History...
Clusters with 
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Dextransucrase EC=2.4.1.5 Alternative name(s): Glucansucrase Sucrose 6-glucosyltransferase |
| Organism | Leuconostoc mesenteroides |
| Taxonomic identifier | 1245 [NCBI] |
| Taxonomic lineage | Bacteria › Firmicutes › Bacilli › Lactobacillales › Leuconostoc |
Protein attributes
| Sequence length | 6 AA. |
| Sequence status | Fragment. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Involved in the production of dextran, an extracellular glucan polymer. Ref.1 |
| Catalytic activity | Sucrose + ((1->6)-alpha-D-glucosyl)(n) = D-fructose + ((1->6)-alpha-D-glucosyl)(n+1). Ref.1 |
| Miscellaneous | Synthesizes water-soluble glucans (alpha 1,6-glucose). Ref.1 |
| Sequence similarities | Belongs to the glycosyl hydrolase 70 family. |
| Biophysicochemical properties | Kinetic parameters: KM=69.88 mM for sucrose Ref.1 pH dependence: Optimum pH is 5.0. Ref.1 Temperature dependence: Optimum temperature is 35 degrees Celsius. Ref.1 |
Ontologies
| Keywords | |
|---|---|
| Molecular function | Glycosyltransferase Transferase |
| Technical term | Direct protein sequencing |
| Gene Ontology (GO) | |
| Molecular_function | dextransucrase activity Inferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Sequence annotation (Features)
Sequences
References
| [1] | "Purification and characterization of glucansucrase from Leuconostoc mesentriodes AA1." Aman A., Ul Qader S.A., Azhar A., Syed M.N. Submitted (JAN-2007) to UniProtKB Cited for: PROTEIN SEQUENCE, FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES. Strain: AA1. |
Cross-references
Entry information
| Entry name | GTF3_LEUME | ||||||||
| Accession | Primary (citable) accession number: P85080 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Prokaryotic Protein Annotation Program | ||||||||
Relevant documents
| Glycosyl hydrolases Classification of glycosyl hydrolase families and list of entries |
| SIMILARITY comments Index of protein domains and families |