ID   GLSA_CAUVC              Reviewed;         306 AA.
AC   Q9ABF2;
DT   24-MAY-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   04-NOV-2026, entry version 106.
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};
GN   OrderedLocusNames=CC_0276;
OS   Caulobacter vibrioides (strain ATCC 19089 / CIP 103742 / CB 15)
OS   (Caulobacter crescentus).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Caulobacterales; Caulobacteraceae; Caulobacter.
OX   NCBI_TaxID=190650;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19089 / CIP 103742 / CB 15;
RX   PubMed=11259647; DOI=10.1073/pnas.061029298;
RA   Nierman W.C., Feldblyum T.V., Laub M.T., Paulsen I.T., Nelson K.E.,
RA   Eisen J.A., Heidelberg J.F., Alley M.R.K., Ohta N., Maddock J.R.,
RA   Potocka I., Nelson W.C., Newton A., Stephens C., Phadke N.D., Ely B.,
RA   DeBoy R.T., Dodson R.J., Durkin A.S., Gwinn M.L., Haft D.H., Kolonay J.F.,
RA   Smit J., Craven M.B., Khouri H.M., Shetty J., Berry K.J., Utterback T.R.,
RA   Tran K., Wolf A.M., Vamathevan J.J., Ermolaeva M.D., White O.,
RA   Salzberg S.L., Venter J.C., Shapiro L., Fraser C.M.;
RT   "Complete genome sequence of Caulobacter crescentus.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:4136-4141(2001).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-glutamine + H2O = 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; AE005673; AAK22263.1; -; Genomic_DNA.
DR   PIR; C87283; C87283.
DR   RefSeq; WP_010918165.1; NC_002696.2.
DR   AlphaFoldDB; Q9ABF2; -.
DR   SMR; Q9ABF2; -.
DR   STRING; 190650.CC_0276; -.
DR   EnsemblBacteria; AAK22263; AAK22263; CC_0276.
DR   KEGG; ccr:CC_0276; -.
DR   PATRIC; fig|190650.5.peg.274; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_1_5; -.
DR   OMA; AACVWSP; -.
DR   BioCyc; CAULO:CC0276-MONOMER; -.
DR   Proteomes; UP000001816; Chromosome.
DR   GO; GO:0004359; F:glutaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006543; P:L-glutamine catabolic process; IEA:TreeGrafter.
DR   FunFam; 3.40.710.10:FF:000005; Glutaminase; 1.
DR   Gene3D; 3.40.710.10; DD-peptidase/beta-lactamase superfamily; 1.
DR   HAMAP; MF_00313; Glutaminase; 1.
DR   InterPro; IPR012338; Beta-lactam/transpept-like.
DR   InterPro; IPR015868; Glutaminase.
DR   NCBIfam; TIGR03814; Gln_ase; 1.
DR   NCBIfam; NF002133; PRK00971.1-2; 1.
DR   PANTHER; PTHR12544; GLUTAMINASE; 1.
DR   PANTHER; PTHR12544:SF29; GLUTAMINASE; 1.
DR   Pfam; PF04960; Glutaminase; 1.
DR   SUPFAM; SSF56601; beta-lactamase/transpeptidase-like; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Reference proteome.
FT   CHAIN           1..306
FT                   /note="Glutaminase"
FT                   /id="PRO_0000110600"
FT   BINDING         66
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         116
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         159
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         166
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         190
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         242
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         260
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
SQ   SEQUENCE   306 AA;  32286 MW;  5B550D1025EC40DF CRC64;
     MKALSIPDVL AEVAVLVRPH FGKGKPADYI PQLATVPGGK FGMAVRMVDG DEHVIGDADE
     GFSVQSITKV FALGLALNRL GDEIWTRVGK EPSGTPFNHL SLLEAEQGVP RNPFINAGAL
     AVTDVLMDVT RDPAALVRDF GGFLCGERLE IDPAVATSEL AHAWQNRAIA SLMRAKGTIT
     HDPEAVVAAY CRQCALSMSC RQLARAFLPL AAGGFSPIAQ ETVFPERLTR RLNALLLTCG
     IYDSVGSFAY RVGLPAKSGV GGGIVAVVPG KATVAVWSPE LDRFGTSVVG TAALEAFSQI
     TNCSVL
//