ID   BGAL_RHIRD              Reviewed;         138 AA.
AC   P30812;
DT   01-JUL-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1993, sequence version 1.
DT   25-MAY-2022, entry version 58.
DE   RecName: Full=Beta-galactosidase;
DE            Short=Beta-gal;
DE            EC=3.2.1.23;
DE   AltName: Full=Lactase;
DE   Flags: Fragment;
GN   Name=lacZ;
OS   Rhizobium radiobacter (Agrobacterium tumefaciens) (Agrobacterium
OS   radiobacter).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Agrobacterium;
OC   Agrobacterium tumefaciens complex.
OX   NCBI_TaxID=358;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=AR50;
RX   PubMed=1630315; DOI=10.1111/j.1365-2958.1992.tb01348.x;
RA   Williams S.G., Greenwood J.A., Jones C.W.;
RT   "Molecular analysis of the lac operon encoding the binding-protein-
RT   dependent lactose transport system and beta-galactosidase in Agrobacterium
RT   radiobacter.";
RL   Mol. Microbiol. 6:1755-1768(1992).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of terminal non-reducing beta-D-galactose residues
CC         in beta-D-galactosides.; EC=3.2.1.23;
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 2 family. {ECO:0000305}.
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DR   EMBL; X66596; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   PIR; S34735; S34735.
DR   AlphaFoldDB; P30812; -.
DR   SMR; P30812; -.
DR   CAZy; GH2; Glycoside Hydrolase Family 2.
DR   GO; GO:0004565; F:beta-galactosidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0008152; P:metabolic process; IEA:UniProtKB-KW.
DR   Gene3D; 2.60.40.10; -; 1.
DR   InterPro; IPR040605; Glyco_hydro2_dom5.
DR   InterPro; IPR013783; Ig-like_fold.
DR   Pfam; PF18565; Glyco_hydro2_C5; 1.
PE   3: Inferred from homology;
KW   Glycosidase; Hydrolase.
FT   CHAIN           1..>138
FT                   /note="Beta-galactosidase"
FT                   /id="PRO_0000057655"
FT   NON_TER         138
SQ   SEQUENCE   138 AA;  15016 MW;  2C6A3DFBE22D5EF5 CRC64;
     MRIIENFNEF GEWGMTWRDG ELVGFINGEE VVRRHLPADP LPTTLEIAAD DTELRAGEKD
     TVRVILRALD QGGNVLSFFD DPVEVSLQGP GRIVGPSLLS FKGGAVGVYV EAGNEAGHLT
     LSATCRPFGT QRITFNVT