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Q02604 (BGAM_LEULA) Reviewed, UniProtKB/Swiss-Prot

Last modified October 16, 2013. Version 55. 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
Encoded onPlasmid pNZ63
OrganismLeuconostoc lactis
Taxonomic identifier1246 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliLactobacillalesLeuconostoc

Protein attributes

Sequence length319 AA.
Sequence statusComplete.
Protein existenceEvidence at protein level

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
   Technical termDirect protein sequencing
Plasmid
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 – 319319Beta-galactosidase small subunit
PRO_0000057673

Sequences

Sequence LengthMass (Da)Tools
Q02604 [UniParc].

Last modified July 1, 1993. Version 1.
Checksum: 880794B75AC0F009

FASTA31935,260
        10         20         30         40         50         60 
MAYTNNQLHV IYGDGSLGLQ GANFHYLFSY ERGGLESLVV NDKEWLYRTP TPMFWRATTD 

        70         80         90        100        110        120 
NDHGSGFSVK SAQWYAADKF STCQDIELTV DDQPVTPLPI APLNNKYTDH EIATKVSLAY 

       130        140        150        160        170        180 
HFVTTTVPST IVTVTYTVTA DGQINIATHY SGQSDLPELP AFGLRFIMPT TATGFDYTGL 

       190        200        210        220        230        240 
SGETYPDRLA GATHGQFHVD SLPVTPYLVP QECGMHMQTE QVTVTRSTTQ NNADHDNTPF 

       250        260        270        280        290        300 
SLTFSQTDAP FAFSCLPYTA AELENATHME ELPLARRTVL SIYGAVRGVG GIDSWGTDVE 

       310 
APYHILANQD IDFSFNIHF 

« Hide

References

[1]"Leuconostoc lactis beta-galactosidase is encoded by two overlapping genes."
David S., Stevens H., van Riel M., Simons G., de Vos W.M.
J. Bacteriol. 174:4475-4481(1992) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 1-10.
Strain: NZ6009.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
M92281 Genomic DNA. Translation: AAA25268.1.
PIRB42891.

3D structure databases

ProteinModelPortalQ02604.
ModBaseSearch...
MobiDBSearch...

Protein family/group databases

CAZyGH2. Glycoside Hydrolase Family 2.

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_LEULA
AccessionPrimary (citable) accession number: Q02604
Entry history
Integrated into UniProtKB/Swiss-Prot: July 1, 1993
Last sequence update: July 1, 1993
Last modified: October 16, 2013
This is version 55 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