ID   GLSA_ALIB4              Reviewed;         305 AA.
AC   A8EX66;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   03-AUG-2022, entry version 75.
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=Abu_2331;
OS   Aliarcobacter butzleri (strain RM4018) (Arcobacter butzleri).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Arcobacteraceae; Aliarcobacter.
OX   NCBI_TaxID=367737;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RM4018;
RX   PubMed=18159241; DOI=10.1371/journal.pone.0001358;
RA   Miller W.G., Parker C.T., Rubenfield M., Mendz G.L., Woesten M.M.S.M.,
RA   Ussery D.W., Stolz J.F., Binnewies T.T., Hallin P.F., Wang G., Malek J.A.,
RA   Rogosin A., Stanker L.H., Mandrell R.E.;
RT   "The complete genome sequence and analysis of the Epsilonproteobacterium
RT   Arcobacter butzleri.";
RL   PLoS ONE 2:E1358-E1358(2007).
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; CP000361; ABV68539.1; -; Genomic_DNA.
DR   RefSeq; WP_012148151.1; NC_009850.1.
DR   AlphaFoldDB; A8EX66; -.
DR   SMR; A8EX66; -.
DR   STRING; 367737.Abu_2331; -.
DR   PRIDE; A8EX66; -.
DR   EnsemblBacteria; ABV68539; ABV68539; Abu_2331.
DR   KEGG; abu:Abu_2331; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_1_7; -.
DR   OMA; RPRNPFI; -.
DR   OrthoDB; 1288854at2; -.
DR   Proteomes; UP000001136; 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..305
FT                   /note="Glutaminase"
FT                   /id="PRO_0000336023"
FT   BINDING         63
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         113
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         158
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         165
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         189
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         241
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         259
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
SQ   SEQUENCE   305 AA;  33897 MW;  EB8B73BD48B03309 CRC64;
     MNYQTILEEI EKEIQALFVE GKVASYIPAL ANVNPNQFSM AIKMFDGQTF GVGEIDKKFS
     IQSISKVFTF TLALNYYGKE LYKRVSHEPS GNPFNSLVQL EYENGIPRNP FINAGAIVTA
     DTLVSIYKND TFNQILDFIK MVSNDKTIDF NEEIFHSELE HGFRNYALIN MIKSFGNIHN
     DIDEVIKTYF KQCSIMMSPS QLASSMLFLA NHGINPITNE RILTESKAKR ISSLMLTCGH
     YDASGDFAYK VGLPGKSGVG GGIVAIVPKK MAICVYSPKL NTQGNSLIGT KALELFTTKT
     GLSIF