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Q48847 (BGAM_LACSK) Reviewed, UniProtKB/Swiss-Prot

Last modified October 16, 2013. Version 52. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Beta-galactosidase small subunit

Short name=Beta-gal small subunit
EC=3.2.1.23
Alternative name(s):
Lactase small subunit
Gene names
Name:lacM
OrganismLactobacillus sakei
Taxonomic identifier1599 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliLactobacillalesLactobacillaceaeLactobacillus

Protein attributes

Sequence length318 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Catalytic activity

Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides.

Subunit structure

Heterodimer of a large and a small subunit.

Sequence similarities

Belongs to the bacterial beta-galactosidase small subunit family.

Ontologies

Keywords
   Molecular functionGlycosidase
Hydrolase
Gene Ontology (GO)
   Biological_processcarbohydrate metabolic process

Inferred from electronic annotation. Source: InterPro

   Cellular_componentbeta-galactosidase complex

Inferred from electronic annotation. Source: InterPro

   Molecular_functionbeta-galactosidase activity

Inferred from electronic annotation. Source: UniProtKB-EC

carbohydrate binding

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 318318Beta-galactosidase small subunit
PRO_0000057671

Sequences

Sequence LengthMass (Da)Tools
Q48847 [UniParc].

Last modified November 1, 1996. Version 1.
Checksum: 6F55CDB90F67FC75

FASTA31835,254
        10         20         30         40         50         60 
MANTNKRLAV IFGDVTLGLK GPDFHYLFSY QTGGPESLRI QGKEWLYRSP KPTFWRATTD 

        70         80         90        100        110        120 
NDRGNQFPLK SGMWLAADQF IACQSITVAI DGQTIPLPIA PENNRYSGRE TAQEVTVTYT 

       130        140        150        160        170        180 
YQTITTPQTT VEVSYTIQAS GKIRVAVTYH GQAGLPSLPV FGLRFVMPTP ATRFIYQGLS 

       190        200        210        220        230        240 
GETYPDRMAG GIAGEYEVTG LPVTPYLVPQ DCGVHMATDW VTIYRQAVLD NCLHEPVETG 

       250        260        270        280        290        300 
LKFKMVDQPF AFSCLPYTAE ELENATHHSE LPAPHRTVLN LLGAVRGVGG IDSWGSDVEV 

       310 
AYQIDATQDR HFEFEISF 

« Hide

References

[1]"Two genes encoding the beta-galactosidase of Lactobacillus sake."
Obst M., Meding E.R., Vogel R.F., Hammes W.P.
Microbiology 141:3059-3066(1995) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: DSM 20017.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
X82287 Genomic DNA. Translation: CAA57731.1.

3D structure databases

ProteinModelPortalQ48847.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

Gene3D2.70.98.10. 1 hit.
InterProIPR004199. B-gal_small/dom_5.
IPR011013. Gal_mutarotase_SF_dom.
IPR014718. Glyco_hydro-type_carb-bd_sub.
[Graphical view]
PfamPF02929. Bgal_small_N. 1 hit.
[Graphical view]
SMARTSM01038. Bgal_small_N. 1 hit.
[Graphical view]
SUPFAMSSF74650. SSF74650. 1 hit.
ProtoNetSearch...

Entry information

Entry nameBGAM_LACSK
AccessionPrimary (citable) accession number: Q48847
Entry history
Integrated into UniProtKB/Swiss-Prot: December 15, 1998
Last sequence update: November 1, 1996
Last modified: October 16, 2013
This is version 52 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

Glycosyl hydrolases

Classification of glycosyl hydrolase families and list of entries