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Q8E4S2 (LACG_STRA3) Reviewed, UniProtKB/Swiss-Prot

Last modified May 1, 2013. Version 72. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (3) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
6-phospho-beta-galactosidase
EC=3.2.1.85
Alternative name(s):
Beta-D-phosphogalactoside galactohydrolase
Short name=PGALase
P-beta-Gal
Short name=PBG
Gene names
Name:lacG
Ordered Locus Names:gbs1329
OrganismStreptococcus agalactiae serotype III (strain NEM316) [Complete proteome] [HAMAP]
Taxonomic identifier211110 [NCBI]
Taxonomic lineageBacteria › Firmicutes › Bacilli › Lactobacillales › Streptococcaceae › Streptococcus ›

Protein attributes

Sequence length468 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Catalytic activity

A 6-phospho-beta-D-galactoside + H2O = 6-phospho-D-galactose + an alcohol. HAMAP-Rule MF_01574

Pathway

Carbohydrate metabolism; lactose degradation; D-galactose 6-phosphate and beta-D-glucose from lactose 6-phosphate: step 1/1. HAMAP-Rule MF_01574

Sequence similarities

Belongs to the glycosyl hydrolase 1 family.

Ontologies

Keywords
   Molecular functionGlycosidase
Hydrolase
   Technical termComplete proteome
Gene Ontology (GO)
   Biological_processlactose catabolic process via tagatose-6-phosphate

Inferred from electronic annotation. Source: InterPro

   Molecular_function6-phospho-beta-galactosidase activity

Inferred from electronic annotation. Source: HAMAP

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 4684686-phospho-beta-galactosidase HAMAP-Rule MF_01574
PRO_0000260728

Sites

Active site1601Proton donor By similarity
Active site3751Nucleophile By similarity

Sequences

Sequence LengthMass (Da)Tools
Q8E4S2 [UniParc].

Last modified March 1, 2003. Version 1.
Checksum: 7AE561F18F85C565

FASTA46854,066
        10         20         30         40         50         60 
MTKTLPKDFI FGGATAAYQA EGATHTDGKG PVAWDKYLED NYWYTAEPAS DFYHKYPVDL 

        70         80         90        100        110        120 
ALAEEYGVNG IRISIAWSRI FPTGYGEVNL KGVEFYHKLF EECHKRHVEP FVTLHHFDTP 

       130        140        150        160        170        180 
EALHSNGDFL NRDNIEHFVN YAAFCFEEFP EVNYWTTFNE IGPIGDGQYL VGKFPPGIQY 

       190        200        210        220        230        240 
DLAKVFQSHH NMMVSHARAV KLYKDKGYKG EIGVVHALPT KYPLDPENSA DVRAAELEDI 

       250        260        270        280        290        300 
IHNKFILDAT YLGYYSEMTM AGVKHILKEN GGELDLREED FQALEAAKDL NDFLGINYYM 

       310        320        330        340        350        360 
SDWMQAFDGE TEIIHNGKGE KGSSKYQIKG VGRRVAPDYV PKTDWDWIIY PQGLYDQIMR 

       370        380        390        400        410        420 
VKNDYPNYKK IYITENGLGY KDEFVDNTVY DDGRIDYVKQ HLEVLSEAIS DGANVKGYFI 

       430        440        450        460 
WSLMDVFSWS NGYEKRYGLF YVDFETQERY PKKSAHWYKQ VAKTQIIE

« Hide

References

[1]"Genome sequence of Streptococcus agalactiae, a pathogen causing invasive neonatal disease."
Glaser P., Rusniok C., Buchrieser C., Chevalier F., Frangeul L., Msadek T., Zouine M., Couve E., Lalioui L., Poyart C., Trieu-Cuot P., Kunst F.
Mol. Microbiol. 45:1499-1513(2002) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: NEM316.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		AL766850 Genomic DNA. Translation: CAD46988.1.
RefSeqNP_735766.1. NC_004368.1.

3D structure databases

HSSPHSSP built from PDB template 1PBG based on UniProtKB P11546.
ProteinModelPortalQ8E4S2.
SMRQ8E4S2. Positions 1-468.
ModBaseSearch...

Protein-protein interaction databases

STRING211110.gbs1329.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaCAD46988; CAD46988; CAD46988.
GeneID1030367.
KEGGsan:gbs1329.
PATRIC19638543. VBIStrAga3577_1360.

Organism-specific databases

GenoListgbs1329.
CMRSearch...

Phylogenomic databases

eggNOGCOG2723.
HOGENOMHOG000088632.
KOK01220.
OMAFKDGGYS.
ProtClustDBPRK13511.

Enzyme and pathway databases

UniPathwayUPA00542; UER00605.

Family and domain databases

Gene3D3.20.20.80. 1 hit.
HAMAPMF_01574. LacG.
InterProIPR005928. 6P-beta-galactosidase.
IPR001360. Glyco_hydro_1.
IPR018120. Glyco_hydro_1_AS.
IPR013781. Glyco_hydro_catalytic_dom.
IPR017853. Glycoside_hydrolase_SF.
[Graphical view]
PANTHERPTHR10353. PTHR10353. 1 hit.
PfamPF00232. Glyco_hydro_1. 1 hit.
[Graphical view]
PRINTSPR00131. GLHYDRLASE1.
SUPFAMSSF51445. Glyco_hydro_cat. 1 hit.
TIGRFAMsTIGR01233. lacG. 1 hit.
PROSITEPS00572. GLYCOSYL_HYDROL_F1_1. 1 hit.
PS00653. GLYCOSYL_HYDROL_F1_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameLACG_STRA3
AccessionPrimary (citable) accession number: Q8E4S2
Entry history
Integrated into UniProtKB/Swiss-Prot: November 28, 2006
Last sequence update: March 1, 2003
Last modified: May 1, 2013
This is version 72 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

Glycosyl hydrolases

Classification of glycosyl hydrolase families and list of entries

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

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