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Protein

6-phospho-beta-galactosidase

Gene

lacG

Organism
Streptococcus pyogenes serotype M12 (strain MGAS2096)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalytic activityi

A 6-phospho-beta-D-galactoside + H2O = 6-phospho-D-galactose + an alcohol.UniRule annotation

Pathwayi: lactose degradation

This protein is involved in step 1 of the subpathway that synthesizes D-galactose 6-phosphate and beta-D-glucose from lactose 6-phosphate.UniRule annotation
Proteins known to be involved in this subpathway in this organism are:
  1. 6-phospho-beta-galactosidase (lacG)
This subpathway is part of the pathway lactose degradation, which is itself part of Carbohydrate metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes D-galactose 6-phosphate and beta-D-glucose from lactose 6-phosphate, the pathway lactose degradation and in Carbohydrate metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei160Proton donorUniRule annotation1
Active sitei375NucleophileUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase

Enzyme and pathway databases

UniPathwayiUPA00542; UER00605

Protein family/group databases

CAZyiGH1 Glycoside Hydrolase Family 1

Names & Taxonomyi

Protein namesi
Recommended name:
6-phospho-beta-galactosidaseUniRule annotation (EC:3.2.1.85UniRule annotation)
Alternative name(s):
Beta-D-phosphogalactoside galactohydrolaseUniRule annotation
Short name:
PGALaseUniRule annotation
P-beta-GalUniRule annotation
Short name:
PBGUniRule annotation
Gene namesi
Name:lacGUniRule annotation
Ordered Locus Names:MGAS2096_Spy1657
OrganismiStreptococcus pyogenes serotype M12 (strain MGAS2096)
Taxonomic identifieri370553 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002607351 – 4686-phospho-beta-galactosidaseAdd BLAST468

Proteomic databases

PRIDEiQ1J9V2

Structurei

3D structure databases

ProteinModelPortaliQ1J9V2
SMRiQ1J9V2
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the glycosyl hydrolase 1 family.UniRule annotation

Phylogenomic databases

HOGENOMiHOG000088632
KOiK01220
OMAiIHREYNA
OrthoDBiPOG091H0AXC

Family and domain databases

HAMAPiMF_01574 LacG, 1 hit
InterProiView protein in InterPro
IPR005928 6P-beta-galactosidase
IPR001360 Glyco_hydro_1
IPR018120 Glyco_hydro_1_AS
IPR033132 Glyco_hydro_1_N_CS
IPR017853 Glycoside_hydrolase_SF
PANTHERiPTHR10353 PTHR10353, 1 hit
PfamiView protein in Pfam
PF00232 Glyco_hydro_1, 1 hit
PRINTSiPR00131 GLHYDRLASE1
SUPFAMiSSF51445 SSF51445, 1 hit
TIGRFAMsiTIGR01233 lacG, 1 hit
PROSITEiView protein in PROSITE
PS00572 GLYCOSYL_HYDROL_F1_1, 1 hit
PS00653 GLYCOSYL_HYDROL_F1_2, 1 hit

Sequencei

Sequence statusi: Complete.

Q1J9V2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTKTLPKDFI FGGATAAYQA EGATHTDGKG PVAWDKYLED NYWYTAEPAS
60 70 80 90 100
DFYNRYPVDL KLSEEFGVNG IRISIAWSRI FPTGKGEVNP KGVEYYHNLF
110 120 130 140 150
AECHKRHVEP FVTLHHFDTP EALHSNGDFL NRENIEHFVN YAELCFKEFS
160 170 180 190 200
EVNYWTTFNE IGPIGDGQYL VGKFPPGIQY DLAKVFQSHH NMMVSHARAV
210 220 230 240 250
KLFKDSGYSG EIGVVHALPT KYPFDANNPD DVRAAELEDI IHNKFILDAT
260 270 280 290 300
YLGKYSDKTM EGVNHILEVN GGELDLREED FAALDAAKDL NDFLGINYYM
310 320 330 340 350
SDWMQAFDGE TEIIHNGKGE KGSSKYQIKG VGRRKAPVDV PKTDWDWIIF
360 370 380 390 400
PQGLYDQIMR VKADYPNYKK IYITENGLGY KDEFVDNTVY DDGRIDYVKK
410 420 430 440 450
HLEVISDAIS DGANVKGYFM WSLMDVFSWS NGYEKRYGLF YVDFETQERY
460
PKKSAYWYKK VAETQVIE
Length:468
Mass (Da):53,811
Last modified:June 13, 2006 - v1
Checksum:iC39B4785424AA810
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000261 Genomic DNA Translation: ABF36709.1

Genome annotation databases

EnsemblBacteriaiABF36709; ABF36709; MGAS2096_Spy1657
KEGGispj:MGAS2096_Spy1657

Similar proteinsi

Entry informationi

Entry nameiLACG_STRPB
AccessioniPrimary (citable) accession number: Q1J9V2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 28, 2006
Last sequence update: June 13, 2006
Last modified: May 23, 2018
This is version 79 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families

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