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LACG_STAEQ
ID   LACG_STAEQ              Reviewed;         470 AA.
AC   Q5HM41;
DT   20-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-FEB-2005, sequence version 1.
DT   25-MAY-2022, entry version 100.
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=SERP1789;
OS   Staphylococcus epidermidis (strain ATCC 35984 / RP62A).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=176279;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35984 / RP62A;
RX   PubMed=15774886; DOI=10.1128/jb.187.7.2426-2438.2005;
RA   Gill S.R., Fouts D.E., Archer G.L., Mongodin E.F., DeBoy R.T., Ravel J.,
RA   Paulsen I.T., Kolonay J.F., Brinkac L.M., Beanan M.J., Dodson R.J.,
RA   Daugherty S.C., Madupu R., Angiuoli S.V., Durkin A.S., Haft D.H.,
RA   Vamathevan J.J., Khouri H., Utterback T.R., Lee C., Dimitrov G., Jiang L.,
RA   Qin H., Weidman J., Tran K., Kang K.H., Hance I.R., Nelson K.E.,
RA   Fraser C.M.;
RT   "Insights on evolution of virulence and resistance from the complete genome
RT   analysis of an early methicillin-resistant Staphylococcus aureus strain and
RT   a biofilm-producing methicillin-resistant Staphylococcus epidermidis
RT   strain.";
RL   J. Bacteriol. 187:2426-2438(2005).
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; CP000029; AAW55165.1; -; Genomic_DNA.
DR   RefSeq; WP_001832731.1; NC_002976.3.
DR   AlphaFoldDB; Q5HM41; -.
DR   SMR; Q5HM41; -.
DR   STRING; 176279.SERP1789; -.
DR   CAZy; GH1; Glycoside Hydrolase Family 1.
DR   EnsemblBacteria; AAW55165; AAW55165; SERP1789.
DR   GeneID; 50018115; -.
DR   KEGG; ser:SERP1789; -.
DR   eggNOG; COG2723; Bacteria.
DR   HOGENOM; CLU_001859_1_3_9; -.
DR   OMA; DWVYVVP; -.
DR   OrthoDB; 654705at2; -.
DR   UniPathway; UPA00542; UER00605.
DR   Proteomes; UP000000531; Chromosome.
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; Reference proteome.
FT   CHAIN           1..470
FT                   /note="6-phospho-beta-galactosidase"
FT                   /id="PRO_0000063892"
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   470 AA;  54836 MW;  E81C610AB95A77EE CRC64;
     MTKKLPDDFI FGGATAAYQA EGATQTDGKG RVAWDTYLEE NYWYTAEPAS DFYNRYPVDL
     ELSERFGVNG IRISIAWSRI FPKGYGEVNQ KGVEYYHNLF KECHKRHVEP FVTLHHFDTP
     EVLHKDGDFL NRKTIDYFVD YAEFCFKEFP EVKYWTTFNE IGPIGDGQYL VGKFPPGIKY
     DFEKVFQSHH NMMVAHARAV KLFKDENYKG EIGVVHALPT KYPYDPSNPE DVRAAELEDI
     IHNKFILDAT YLGKYSRETM EGVQHILSVN GGQLEISDED YKILDEAKDL NDFLGINYYM
     SDWMRGFEGE SEITHNATGD KGGSKYQLKG VGQREFDVDV PRTDWDWMIY PQGLYDQIMR
     VVKDYPNYHK IYITENGLGY KDVFDEKEKT VHDDARIDYI KQHLSVIADA IADGANVKGY
     FLWSLMDVFS WSNGYEKRYG LFYVDFETQE RFPKKSAYWY KELAESKEIK
 
 
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