ID   GLSA_ACAM1              Reviewed;         321 AA.
AC   B0C9Y4;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 69.
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=AM1_0365;
OS   Acaryochloris marina (strain MBIC 11017).
OC   Bacteria; Cyanobacteria; Synechococcales; Acaryochloridaceae;
OC   Acaryochloris.
OX   NCBI_TaxID=329726;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MBIC 11017;
RX   PubMed=18252824; DOI=10.1073/pnas.0709772105;
RA   Swingley W.D., Chen M., Cheung P.C., Conrad A.L., Dejesa L.C., Hao J.,
RA   Honchak B.M., Karbach L.E., Kurdoglu A., Lahiri S., Mastrian S.D.,
RA   Miyashita H., Page L., Ramakrishna P., Satoh S., Sattley W.M., Shimada Y.,
RA   Taylor H.L., Tomo T., Tsuchiya T., Wang Z.T., Raymond J., Mimuro M.,
RA   Blankenship R.E., Touchman J.W.;
RT   "Niche adaptation and genome expansion in the chlorophyll d-producing
RT   cyanobacterium Acaryochloris marina.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:2005-2010(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; CP000828; ABW25424.1; -; Genomic_DNA.
DR   RefSeq; WP_012161034.1; NC_009925.1.
DR   AlphaFoldDB; B0C9Y4; -.
DR   SMR; B0C9Y4; -.
DR   STRING; 329726.AM1_0365; -.
DR   EnsemblBacteria; ABW25424; ABW25424; AM1_0365.
DR   KEGG; amr:AM1_0365; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_0_3; -.
DR   OMA; MYTCGMY; -.
DR   OrthoDB; 1288854at2; -.
DR   Proteomes; UP000000268; 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..321
FT                   /note="Glutaminase"
FT                   /id="PRO_0000336019"
FT   BINDING         63
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         114
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         158
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         165
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         189
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         241
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
FT   BINDING         259
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00313"
SQ   SEQUENCE   321 AA;  35261 MW;  675BA5367F209912 CRC64;
     MSELQVLLES FHQTYHQQDA GQLACYIPEL CKADPNWFAI SIVTTDGQTF QVGNCQQTFT
     IQSISKVFVY GMALADHGQD ALLAKVGVEP TGDPFNSLIR LDEDSKRPDN PMINAGAIAT
     TSLIRGNGPT DRLNRLLEMF RRYVGHEVFI DMPVFMSERD TGHRNRAIAH LMLNFGMIDK
     NIDEALDLYF QQCSVLVNCH DLAVMAATLA HKGINPITQE RAVESGYVKD ILSVMYTCGM
     YDFAGEWAYK VGLPAKSGVS GGIMAVVPNR AGIAVFSPLL DEYGNSIRGR RVLEALSQKL
     GLHLFDLSMG GCGLQAAMDS N