ID   GLSA_SACD2              Reviewed;         307 AA.
AC   Q21GQ5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   18-APR-2006, sequence version 1.
DT   03-AUG-2022, entry version 81.
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=Sde_2867;
OS   Saccharophagus degradans (strain 2-40 / ATCC 43961 / DSM 17024).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Cellvibrionales;
OC   Cellvibrionaceae; Saccharophagus.
OX   NCBI_TaxID=203122;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2-40 / ATCC 43961 / DSM 17024;
RX   PubMed=18516288; DOI=10.1371/journal.pgen.1000087;
RA   Weiner R.M., Taylor L.E. II, Henrissat B., Hauser L., Land M.,
RA   Coutinho P.M., Rancurel C., Saunders E.H., Longmire A.G., Zhang H.,
RA   Bayer E.A., Gilbert H.J., Larimer F., Zhulin I.B., Ekborg N.A., Lamed R.,
RA   Richardson P.M., Borovok I., Hutcheson S.;
RT   "Complete genome sequence of the complex carbohydrate-degrading marine
RT   bacterium, Saccharophagus degradans strain 2-40 T.";
RL   PLoS Genet. 4:E1000087-E1000087(2008).
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; CP000282; ABD82124.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q21GQ5; -.
DR   SMR; Q21GQ5; -.
DR   STRING; 203122.Sde_2867; -.
DR   EnsemblBacteria; ABD82124; ABD82124; Sde_2867.
DR   KEGG; sde:Sde_2867; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_1_6; -.
DR   OMA; RPRNPFI; -.
DR   Proteomes; UP000001947; 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..307
FT                   /note="Glutaminase"
FT                   /id="PRO_1000048352"
FT   BINDING         66
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         116
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         160
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         167
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         191
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         243
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         261
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
SQ   SEQUENCE   307 AA;  33379 MW;  93B71207B3CEC813 CRC64;
     MDAIDYKKIF SEIVNELSSE DEKGSVATYI PELANVDPNK LGMHLTTVTN QHFAYGDAEE
     AFSIQSIAKV WSLTLALKHL GADTWQRVGV EPSGTAFNSL VQLEYEMGIP RNPFINAGAI
     VVCDILVSCL KNPKEDLLDF IRTSSGIPSI EYCPVIAESE VKTGHRNYAL AHMMKGFGNI
     HNDVDCVLDL YFSLCSIKLT CKQLAQAFLF LAAGGVNPAT QQQVITPKRT KRINSIMQMC
     GFYDEAGEFA FKVGLPGKSG VGGGIVAVHP GKYCIAVFSP RLNASGNSVK AMKVLEALTT
     KTELSIF