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LACG_STRPG
ID   LACG_STRPG              Reviewed;         468 AA.
AC   A2RGE8;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-MAR-2007, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=6-phospho-beta-galactosidase {ECO:0000255|HAMAP-Rule:MF_01574};
DE            EC=3.2.1.85 {ECO:0000255|HAMAP-Rule:MF_01574};
DE   AltName: Full=Beta-D-phosphogalactoside galactohydrolase {ECO:0000255|HAMAP-Rule:MF_01574};
DE            Short=PGALase {ECO:0000255|HAMAP-Rule:MF_01574};
DE   AltName: Full=P-beta-Gal {ECO:0000255|HAMAP-Rule:MF_01574};
DE            Short=PBG {ECO:0000255|HAMAP-Rule:MF_01574};
GN   Name=lacG {ECO:0000255|HAMAP-Rule:MF_01574}; OrderedLocusNames=SpyM51607;
OS   Streptococcus pyogenes serotype M5 (strain Manfredo).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=160491;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Manfredo;
RX   PubMed=17012393; DOI=10.1128/jb.01227-06;
RA   Holden M.T.G., Scott A., Cherevach I., Chillingworth T., Churcher C.,
RA   Cronin A., Dowd L., Feltwell T., Hamlin N., Holroyd S., Jagels K.,
RA   Moule S., Mungall K., Quail M.A., Price C., Rabbinowitsch E., Sharp S.,
RA   Skelton J., Whitehead S., Barrell B.G., Kehoe M., Parkhill J.;
RT   "Complete genome of acute rheumatic fever-associated serotype M5
RT   Streptococcus pyogenes strain Manfredo.";
RL   J. Bacteriol. 189:1473-1477(2007).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a 6-phospho-beta-D-galactoside + H2O = an alcohol + D-
CC         galactose 6-phosphate; Xref=Rhea:RHEA:24568, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:30879, ChEBI:CHEBI:58534, ChEBI:CHEBI:91004; EC=3.2.1.85;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01574};
CC   -!- PATHWAY: Carbohydrate metabolism; lactose degradation; D-galactose 6-
CC       phosphate and beta-D-glucose from lactose 6-phosphate: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_01574}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 1 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01574}.
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DR   EMBL; AM295007; CAM30928.1; -; Genomic_DNA.
DR   RefSeq; WP_011889148.1; NC_009332.1.
DR   AlphaFoldDB; A2RGE8; -.
DR   SMR; A2RGE8; -.
DR   CAZy; GH1; Glycoside Hydrolase Family 1.
DR   PRIDE; A2RGE8; -.
DR   KEGG; spf:SpyM51607; -.
DR   HOGENOM; CLU_001859_1_3_9; -.
DR   OMA; DWVYVVP; -.
DR   UniPathway; UPA00542; UER00605.
DR   GO; GO:0033920; F:6-phospho-beta-galactosidase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019512; P:lactose catabolic process via tagatose-6-phosphate; IEA:InterPro.
DR   HAMAP; MF_01574; LacG; 1.
DR   InterPro; IPR005928; 6P-beta-galactosidase.
DR   InterPro; IPR001360; Glyco_hydro_1.
DR   InterPro; IPR018120; Glyco_hydro_1_AS.
DR   InterPro; IPR033132; Glyco_hydro_1_N_CS.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   PANTHER; PTHR10353; PTHR10353; 1.
DR   Pfam; PF00232; Glyco_hydro_1; 1.
DR   PRINTS; PR00131; GLHYDRLASE1.
DR   SUPFAM; SSF51445; SSF51445; 1.
DR   TIGRFAMs; TIGR01233; lacG; 1.
DR   PROSITE; PS00572; GLYCOSYL_HYDROL_F1_1; 1.
DR   PROSITE; PS00653; GLYCOSYL_HYDROL_F1_2; 1.
PE   3: Inferred from homology;
KW   Glycosidase; Hydrolase.
FT   CHAIN           1..468
FT                   /note="6-phospho-beta-galactosidase"
FT                   /id="PRO_1000069208"
FT   ACT_SITE        160
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01574"
FT   ACT_SITE        375
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01574"
SQ   SEQUENCE   468 AA;  53860 MW;  7B91F9DB5BF86D50 CRC64;
     MTKTLPKDFI FGGATAAYQA EGATHTDGKG PVAWDKYLED NYWYTAEPAS DFYNRYPVDL
     KLSEEFGVNG IRISIAWSRI FPTGKGEVNP KGVEYYHNLF AECHKRHVEP FVTLHHFDTP
     EALHSDGDFL NRENIEHFVN YAEFCFKEFS EVNYWTTFNE IGPIGDGQYL VGKFPPGIQY
     DLAKVFQSHH NMMVSHARAV KLFKDSGYSG EIGVVHALPT KYPFDANNPD DVRAAELEDI
     IHNKFILDAT YLGKYSDKTM EGVNHILEVN GGELDLREED FVALDAAKDL NDFLGINYYM
     SDWMQAFDGE TEIIHNGKGE KGSSKYQIKG VGRRKAPVDA PKTDWDWIIF PQGLYDQIMR
     VKADYPNYKK IYITENGLGY KDEFVDKTVY DDGRIDYVKK HLEVISDAIS DGANVKGYFM
     WSLMDVFSWS NGYEKRYGLF YVDFETQERY PKKSAYWYKK VAETQVIE
 
 
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