ID   GLSA_METEP              Reviewed;         309 AA.
AC   A9W5B4;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 75.
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=Mext_2375;
OS   Methylorubrum extorquens (strain PA1) (Methylobacterium extorquens).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Methylobacteriaceae; Methylorubrum.
OX   NCBI_TaxID=419610;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PA1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Marx C., Richardson P.;
RT   "Complete sequence of Methylobacterium extorquens PA1.";
RL   Submitted (DEC-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000908; ABY30770.1; -; Genomic_DNA.
DR   RefSeq; WP_012253805.1; NC_010172.1.
DR   AlphaFoldDB; A9W5B4; -.
DR   SMR; A9W5B4; -.
DR   STRING; 419610.Mext_2375; -.
DR   EnsemblBacteria; ABY30770; ABY30770; Mext_2375.
DR   KEGG; mex:Mext_2375; -.
DR   eggNOG; COG2066; Bacteria.
DR   HOGENOM; CLU_027932_1_1_5; -.
DR   OMA; RPRNPFI; -.
DR   BioCyc; MEXT419610:MEXT_RS11965-MON; -.
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.
FT   CHAIN           1..309
FT                   /note="Glutaminase"
FT                   /id="PRO_1000119532"
FT   BINDING         64
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         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   309 AA;  33045 MW;  AF8CCC16BBC3A551 CRC64;
     MPDLDSIVKD IAAEMRARPD RGAVASYIPE LARVDAQGFG LVVIDGEGRV AAGGDADTPF
     SIQSISKVFT LTLALGMVGD RLWRRVGREP SGSPFNSIVQ LEREHGIPRN PFINAGAIAV
     TDLILSGHQP REALGEILRF MQFVAQDDSI TIDERVAASE KRTGFRNAAL ANYMRSFDVI
     ENPVDYTLGV YFHHCAIAMT CRQLATAGLF LAYSGHHPLA GHSVISAERA RRINAIMLTC
     GHYDGSGDFA YRVGLPGKSG VGGGILAVAP GKASICVWSP GLDAAGNSHL GRIALEMLVK
     RTGWSIFGV