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Q8NZE1 (LACG_STRP8) Reviewed, UniProtKB/Swiss-Prot

Last modified February 19, 2014. Version 79. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (3) | 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:
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:spyM18_1984
OrganismStreptococcus pyogenes serotype M18 (strain MGAS8232) [Complete proteome] [HAMAP]
Taxonomic identifier186103 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus

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: UniProtKB-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_0000260737

Sites

Active site1601Proton donor By similarity
Active site3751Nucleophile By similarity

Sequences

Sequence LengthMass (Da)Tools
Q8NZE1 [UniParc].

Last modified October 1, 2002. Version 1.
Checksum: 370C3623B3385D9A

FASTA46853,830
        10         20         30         40         50         60 
MTKTLPKDFI FGGATAAYQA EGATHTDGKG PVAWDKYLED NYWYTAEPAS DFYNRYPVDL 

        70         80         90        100        110        120 
KLSEEFGVNG IRISIAWSRI FPTGKGDVNP KGVEYYHNLF AECHKRHVEP FVTLHHFDTP 

       130        140        150        160        170        180 
EALHSDGDFL NRENIEHFVN YAEFCFKEFS EVNYWTTFNE IGPIGDGQYL VGKFPPGIQY 

       190        200        210        220        230        240 
DLAKVFQSHH NMMVSHARAV KLFKDGGYSG EIGVVHALPT KYPFDANNPD DVRAAELEDI 

       250        260        270        280        290        300 
IHNKFILDAT YLGKYSDKTM EGVNHILEVN GGELDLREED FVALDAAKDL NDFLGINYYM 

       310        320        330        340        350        360 
SDWMQAFDGE TEIIHNGKGE KGSSKYQIKG VGRRKAPVDV PKTDWDWIIF PQGLYDQIMR 

       370        380        390        400        410        420 
VKADYPNYKK IYITENGLGY KDEFVDNTVY DDGRIDYVKK HLEVISDAIS DGANVKGYFM 

       430        440        450        460 
WSLMDVFSWS NGYEKRYGLF YVDFETQERY PKKSAYWYKK VAETQVIE 

« Hide

References

[1]"Genome sequence and comparative microarray analysis of serotype M18 group A Streptococcus strains associated with acute rheumatic fever outbreaks."
Smoot J.C., Barbian K.D., Van Gompel J.J., Smoot L.M., Chaussee M.S., Sylva G.L., Sturdevant D.E., Ricklefs S.M., Porcella S.F., Parkins L.D., Beres S.B., Campbell D.S., Smith T.M., Zhang Q., Kapur V., Daly J.A., Veasy L.G., Musser J.M.
Proc. Natl. Acad. Sci. U.S.A. 99:4668-4673(2002) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: MGAS8232.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AE009949 Genomic DNA. Translation: AAL98470.1.
RefSeqNP_607971.1. NC_003485.1.

3D structure databases

ProteinModelPortalQ8NZE1.
SMRQ8NZE1. Positions 1-468.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING186103.spyM18_1984.

Protein family/group databases

CAZyGH1. Glycoside Hydrolase Family 1.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaAAL98470; AAL98470; spyM18_1984.
GeneID993998.
KEGGspm:spyM18_1984.
PATRIC19750418. VBIStrPyo4396_1775.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG2723.
HOGENOMHOG000088632.
KOK01220.
OMAVKRFATF.
OrthoDBEOG60658J.
ProtClustDBPRK13511.

Enzyme and pathway databases

BioCycSPYO186103:GHJG-1708-MONOMER.
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. SSF51445. 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_STRP8
AccessionPrimary (citable) accession number: Q8NZE1
Entry history
Integrated into UniProtKB/Swiss-Prot: November 28, 2006
Last sequence update: October 1, 2002
Last modified: February 19, 2014
This is version 79 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

PATHWAY comments

Index of metabolic and biosynthesis pathways

Glycosyl hydrolases

Classification of glycosyl hydrolase families and list of entries