ID   GLSA_LEGPH              Reviewed;         310 AA.
AC   Q5ZYX0;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Glutaminase {ECO:0000255|HAMAP-Rule:MF_00313};
DE            EC=3.5.1.2 {ECO:0000255|HAMAP-Rule:MF_00313};
GN   Name=glsA {ECO:0000255|HAMAP-Rule:MF_00313}; OrderedLocusNames=lpg0241;
OS   Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC
OS   33152 / DSM 7513).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=272624;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Philadelphia 1 / ATCC 33152 / DSM 7513;
RX   PubMed=15448271; DOI=10.1126/science.1099776;
RA   Chien M., Morozova I., Shi S., Sheng H., Chen J., Gomez S.M., Asamani G.,
RA   Hill K., Nuara J., Feder M., Rineer J., Greenberg J.J., Steshenko V.,
RA   Park S.H., Zhao B., Teplitskaya E., Edwards J.R., Pampou S., Georghiou A.,
RA   Chou I.-C., Iannuccilli W., Ulz M.E., Kim D.H., Geringer-Sameth A.,
RA   Goldsberry C., Morozov P., Fischer S.G., Segal G., Qu X., Rzhetsky A.,
RA   Zhang P., Cayanis E., De Jong P.J., Ju J., Kalachikov S., Shuman H.A.,
RA   Russo J.J.;
RT   "The genomic sequence of the accidental pathogen Legionella pneumophila.";
RL   Science 305:1966-1968(2004).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + L-glutamine = L-glutamate + NH4(+);
CC         Xref=Rhea:RHEA:15889, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:58359; EC=3.5.1.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00313};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00313}.
CC   -!- SIMILARITY: Belongs to the glutaminase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00313}.
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DR   EMBL; AE017354; AAU26348.1; -; Genomic_DNA.
DR   RefSeq; WP_010946002.1; NC_002942.5.
DR   RefSeq; YP_094295.1; NC_002942.5.
DR   AlphaFoldDB; Q5ZYX0; -.
DR   SMR; Q5ZYX0; -.
DR   STRING; 272624.lpg0241; -.
DR   PaxDb; Q5ZYX0; -.
DR   EnsemblBacteria; AAU26348; AAU26348; lpg0241.
DR   GeneID; 66489443; -.
DR   KEGG; lpn:lpg0241; -.
DR   PATRIC; fig|272624.6.peg.255; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_0_6; -.
DR   OMA; RNPMINS; -.
DR   Proteomes; UP000000609; Chromosome.
DR   GO; GO:0004359; F:glutaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006541; P:glutamine metabolic process; IEA:InterPro.
DR   Gene3D; 3.40.710.10; -; 1.
DR   HAMAP; MF_00313; Glutaminase; 1.
DR   InterPro; IPR012338; Beta-lactam/transpept-like.
DR   InterPro; IPR015868; Glutaminase.
DR   PANTHER; PTHR12544; PTHR12544; 1.
DR   Pfam; PF04960; Glutaminase; 1.
DR   SUPFAM; SSF56601; SSF56601; 1.
DR   TIGRFAMs; TIGR03814; Gln_ase; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Reference proteome.
FT   CHAIN           1..310
FT                   /note="Glutaminase"
FT                   /id="PRO_1000079075"
FT   BINDING         67
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         118
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         161
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         168
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         192
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         244
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         262
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
SQ   SEQUENCE   310 AA;  33970 MW;  B5DE93FDB6BB5939 CRC64;
     MSSKLLTIQL LEELVHAAEL NQEGKTADYI PELANVNQEL TAIAVQALGE KTLAYSNNPL
     HPVTLQSTGK MIPLIGLLEE FGADQLFEWV KVEPSGDDFA SITRLEQFGP KPSNPMLNAG
     AIALCSRIPG IGEQQFRWLE HWVQKLFNQR LSINPLVFAS EKRTGNRNRA LAYLLKSRNN
     LGADVHETLD LYFALCSYEA MLDQMLYLPT LLANRGKDPD TGEQILSTET CKITLAIMAT
     CGLYDETGTH MVKTGMPAKS GVSGYTIAVV PGKAGIVVLS PRVNAKGNSI RGEIMLEGLS
     KAMNWHFALP