ID   GLSA_ENT38              Reviewed;         308 AA.
AC   A4WAF3;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   02-SEP-2026, entry version 94.
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=Ent638_2007;
OS   Enterobacter sp. (strain 638).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Enterobacterales; Enterobacteriaceae; Enterobacter.
OX   NCBI_TaxID=399742;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=638;
RX   PubMed=20485560; DOI=10.1371/journal.pgen.1000943;
RA   Taghavi S., van der Lelie D., Hoffman A., Zhang Y.B., Walla M.D.,
RA   Vangronsveld J., Newman L., Monchy S.;
RT   "Genome sequence of the plant growth promoting endophytic bacterium
RT   Enterobacter sp. 638.";
RL   PLoS Genet. 6:E1000943-E1000943(2010).
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; CP000653; ABP60683.1; -; Genomic_DNA.
DR   RefSeq; WP_012017398.1; NC_009436.1.
DR   AlphaFoldDB; A4WAF3; -.
DR   SMR; A4WAF3; -.
DR   STRING; 399742.Ent638_2007; -.
DR   KEGG; ent:Ent638_2007; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_1_6; -.
DR   OrthoDB; 9788822at2; -.
DR   Proteomes; UP000000230; 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; NF002132; PRK00971.1-1; 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..308
FT                   /note="Glutaminase"
FT                   /id="PRO_1000059440"
FT   BINDING         66
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         117
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   308 AA;  33548 MW;  3D1D6AF1FEFC8F41 CRC64;
     MAAVIDNEML DDILAQVRPL LGQGKVADYI PALASVSGNK LAIAICTVEG QLYQAGDATE
     RFSIQSISKV LSLVAAMRQY EEDEIWQRVG KDPSGQPFNS LLQLEIEQGK PRNPFINAGA
     LVVCDMLQSR LSAPRQRMLE IVRQLSGVSD LSYDANVARS EFEHSARNAA IAWLMKSFGN
     FHNDVATVLQ NYFHYCALKM SCVELARTFL FLADKGYSSH HAQAVVTPMQ ARQVNALMAT
     SGMYQNAGEF AWRVGLPAKS GVGGGVVAIV PHEMAIAVWS PELDDTGNSL AGVAVLEKLT
     QRLGRSVY
//