ID   GLSA_CLOD6              Reviewed;         309 AA.
AC   Q189A6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 85.
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=CD630_05580;
OS   Clostridioides difficile (strain 630) (Peptoclostridium difficile).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Peptostreptococcaceae;
OC   Clostridioides.
OX   NCBI_TaxID=272563;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=630;
RX   PubMed=16804543; DOI=10.1038/ng1830;
RA   Sebaihia M., Wren B.W., Mullany P., Fairweather N.F., Minton N.,
RA   Stabler R., Thomson N.R., Roberts A.P., Cerdeno-Tarraga A.M., Wang H.,
RA   Holden M.T.G., Wright A., Churcher C., Quail M.A., Baker S., Bason N.,
RA   Brooks K., Chillingworth T., Cronin A., Davis P., Dowd L., Fraser A.,
RA   Feltwell T., Hance Z., Holroyd S., Jagels K., Moule S., Mungall K.,
RA   Price C., Rabbinowitsch E., Sharp S., Simmonds M., Stevens K., Unwin L.,
RA   Whithead S., Dupuy B., Dougan G., Barrell B., Parkhill J.;
RT   "The multidrug-resistant human pathogen Clostridium difficile has a highly
RT   mobile, mosaic genome.";
RL   Nat. Genet. 38:779-786(2006).
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; AM180355; CAJ67391.1; -; Genomic_DNA.
DR   RefSeq; WP_003417962.1; NZ_CP010905.2.
DR   RefSeq; YP_001087034.1; NC_009089.1.
DR   AlphaFoldDB; Q189A6; -.
DR   SMR; Q189A6; -.
DR   STRING; 272563.CD630_05580; -.
DR   EnsemblBacteria; CAJ67391; CAJ67391; CD630_05580.
DR   GeneID; 66353055; -.
DR   KEGG; cdf:CD630_05580; -.
DR   KEGG; pdc:CDIF630_00671; -.
DR   PATRIC; fig|272563.120.peg.568; -.
DR   eggNOG; COG2066; Bacteria.
DR   OMA; RPRNPFI; -.
DR   PhylomeDB; Q189A6; -.
DR   BioCyc; PDIF272563:G12WB-670-MON; -.
DR   Proteomes; UP000001978; 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..309
FT                   /note="Glutaminase"
FT                   /id="PRO_1000048333"
FT   BINDING         65
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         162
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         169
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         193
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         245
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         263
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
SQ   SEQUENCE   309 AA;  33948 MW;  23BA33CA6B2B95EF CRC64;
     MNTLDETLLK EIISSNKKYT NYGQVASYIP ELKNARRNDL GICIIDSENN LYSAGNCSTK
     FTIQSISKPI VLAMALMDND WEDVFSNVGM EPSGDPFNSI MKLEINDTKK PCNPMINAGA
     IVTTSLINGS CLEEKEERML SFFRKLAKND NIGINYDVYK SEKMTGDRNR AMAYLLKSDG
     FIRGNVEDVL DLYFKQCSIE IDSVDLARIG INLANYGVDI ENGEHLMSEM VSRIVKTFMM
     TCGMYDASGE FAIKVGIPAK SGVGGGIMAS VPGRMGIGVY GPALDKKGNS VAGVKVLEEL
     SNKLKLNIF