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