ID   GLSA_VIBCH              Reviewed;         306 AA.
AC   Q9KUR1;
DT   24-JAN-2001, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2003, sequence version 2.
DT   03-AUG-2022, entry version 108.
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=VC_0454;
OS   Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=243277;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 39315 / El Tor Inaba N16961;
RX   PubMed=10952301; DOI=10.1038/35020000;
RA   Heidelberg J.F., Eisen J.A., Nelson W.C., Clayton R.A., Gwinn M.L.,
RA   Dodson R.J., Haft D.H., Hickey E.K., Peterson J.D., Umayam L.A., Gill S.R.,
RA   Nelson K.E., Read T.D., Tettelin H., Richardson D.L., Ermolaeva M.D.,
RA   Vamathevan J.J., Bass S., Qin H., Dragoi I., Sellers P., McDonald L.A.,
RA   Utterback T.R., Fleischmann R.D., Nierman W.C., White O., Salzberg S.L.,
RA   Smith H.O., Colwell R.R., Mekalanos J.J., Venter J.C., Fraser C.M.;
RT   "DNA sequence of both chromosomes of the cholera pathogen Vibrio
RT   cholerae.";
RL   Nature 406:477-483(2000).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAF93627.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE003852; AAF93627.1; ALT_INIT; Genomic_DNA.
DR   PIR; F82320; F82320.
DR   RefSeq; NP_230108.1; NC_002505.1.
DR   RefSeq; WP_000805043.1; NZ_LT906614.1.
DR   AlphaFoldDB; Q9KUR1; -.
DR   SMR; Q9KUR1; -.
DR   STRING; 243277.VC_0454; -.
DR   DNASU; 2615116; -.
DR   EnsemblBacteria; AAF93627; AAF93627; VC_0454.
DR   KEGG; vch:VC_0454; -.
DR   PATRIC; fig|243277.26.peg.427; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_1_6; -.
DR   OMA; RPRNPFI; -.
DR   Proteomes; UP000000584; Chromosome 1.
DR   GO; GO:0004359; F:glutaminase activity; IBA:GO_Central.
DR   GO; GO:0006537; P:glutamate biosynthetic process; IBA:GO_Central.
DR   GO; GO:0006543; P:glutamine catabolic process; IBA:GO_Central.
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..306
FT                   /note="Glutaminase"
FT                   /id="PRO_0000110629"
FT   BINDING         64
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         115
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;  32765 MW;  24FAE9E570A002B3 CRC64;
     MKPTADILAS IIEEVRPLTS KGIVADYIPA LAKVPSDKLG IAVFTNQGEV ITAGDAQEGF
     SIQSISKVLS LTLAMGLYQP DELWSRVGKE PSGQAFNSLI QLEMEQGIPR NPFINAGAIV
     VCDMLQSRLS APRQRLLEFV RQLSGEPQIA YDKVVAASEM MHSDRNAAIA YLMRSFGNFH
     NEVIPVLHNY FHACALKMSC VELAKTFSYL ANKGVSVVTG ETVITPTQSK QTNALLATCG
     LYDGAGEFAY RVGMPGKSGV GGGIIAVVPG EMTIAVWSPA LDQSGNSLAG TRALELLAQR
     IGRSIF