ID   GLSA_PSEF5              Reviewed;         302 AA.
AC   Q4KBW8;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 2.
DT   03-AUG-2022, entry version 86.
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=PFL_3159;
OS   Pseudomonas fluorescens (strain ATCC BAA-477 / NRRL B-23932 / Pf-5).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=220664;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-477 / NRRL B-23932 / Pf-5;
RX   PubMed=15980861; DOI=10.1038/nbt1110;
RA   Paulsen I.T., Press C.M., Ravel J., Kobayashi D.Y., Myers G.S.A.,
RA   Mavrodi D.V., DeBoy R.T., Seshadri R., Ren Q., Madupu R., Dodson R.J.,
RA   Durkin A.S., Brinkac L.M., Daugherty S.C., Sullivan S.A., Rosovitz M.J.,
RA   Gwinn M.L., Zhou L., Schneider D.J., Cartinhour S.W., Nelson W.C.,
RA   Weidman J., Watkins K., Tran K., Khouri H., Pierson E.A., Pierson L.S. III,
RA   Thomashow L.S., Loper J.E.;
RT   "Complete genome sequence of the plant commensal Pseudomonas fluorescens
RT   Pf-5.";
RL   Nat. Biotechnol. 23:873-878(2005).
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; CP000076; AAY92429.2; -; Genomic_DNA.
DR   RefSeq; WP_011061446.1; NC_004129.6.
DR   AlphaFoldDB; Q4KBW8; -.
DR   SMR; Q4KBW8; -.
DR   STRING; 220664.PFL_3159; -.
DR   EnsemblBacteria; AAY92429; AAY92429; PFL_3159.
DR   GeneID; 57476182; -.
DR   KEGG; pfl:PFL_3159; -.
DR   PATRIC; fig|220664.5.peg.3222; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_1_6; -.
DR   OMA; RPRNPFI; -.
DR   OrthoDB; 1288854at2; -.
DR   Proteomes; UP000008540; 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..302
FT                   /note="Glutaminase"
FT                   /id="PRO_0000336036"
FT   BINDING         61
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         111
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         155
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         162
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         186
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         238
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         256
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
SQ   SEQUENCE   302 AA;  32763 MW;  D339093D3D1E840E CRC64;
     MQDLLNQILD EVRPLIGQGQ VANYIPALAD VPANQLGIAV YGNDGQVFSA GDADTPFSVQ
     SISKVFSLVQ AIGHSGEAIW ERLGHEPSGQ PFNSLVQLEF ERGRPRNPFI NAGALVICDI
     NQSRFAAPAL SMRDFVRRLS GNLQVMVDGR VAESEYQHRA RNAAMAYLMQ SFGNFHNDVE
     AVLRSYFSHC ALRMSCVDLA RAFCFLANDG FCKHSGEQIL TRRQTQQVNS IMATSGLYDE
     AGNFAYRVGL PGKSGVGGGI VAVVPGQFTV CVWSPELNSA GNSLVGMAAL ELLSQRIGWS
     VF