P86897 (GTF4_LEUME) Reviewed, UniProtKB/Swiss-Prot

Names 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	cellular organisms › Bacteria › Firmicutes › Bacilli › Lactobacillales › Leuconostocaceae › Leuconostoc

Protein attributes

Sequence length	9 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
Subcellular location	Cytoplasm Ref.1.
Induction	By sucrose. Ref.1
Sequence similarities	Belongs to the glycosyl hydrolase 70 family.
Biophysicochemical properties	pH dependence: Optimum pH is 5.5. Ref.1 Temperature dependence: Optimum temperature is 35 degrees Celsius. Ref.1

Ontologies

Keywords
Cellular component	Cytoplasm
Molecular function	Glycosyltransferase Transferase
Technical term	Direct protein sequencing
Gene Ontology (GO)
Cellular_component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular_function	dextransucrase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – ›9	›9	Dextransucrase		PRO_0000406598
Experimental info
	Non-terminal residue	9	1

Sequences

	Sequence		Length	Mass (Da)
	P86897 [UniParc]. Last modified April 5, 2011. Version 1. Checksum: 5FC9C879DB586767	FASTA	9	923
	GLPGYFGVN

References

[1]	"Characterization of intracellular dextransucrase from Leuconostoc mesenteroides AA1." Aman A., Qader S.A.U., Azhar A., Bano S. Submitted (FEB-2011) to UniProtKB Cited for: PROTEIN SEQUENCE, FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES, SUBCELLULAR LOCATION, INDUCTION. Strain: AA1.

Cross-references

3D structure databases
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
ProtoNet	Search...

Entry information

Entry name

GTF4_LEUME

Accession

Primary (citable) accession number: P86897

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 5, 2011
Last sequence update:	April 5, 2011
Last modified:	January 9, 2013
This is version 3 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program