ID   GLMS_AQUAE              Reviewed;         592 AA.
AC   O66648;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 127.
DE   RecName: Full=Glutamine--fructose-6-phosphate aminotransferase [isomerizing] {ECO:0000255|HAMAP-Rule:MF_00164};
DE            EC=2.6.1.16 {ECO:0000255|HAMAP-Rule:MF_00164};
DE   AltName: Full=D-fructose-6-phosphate amidotransferase {ECO:0000255|HAMAP-Rule:MF_00164};
DE   AltName: Full=GFAT {ECO:0000255|HAMAP-Rule:MF_00164};
DE   AltName: Full=Glucosamine-6-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00164};
DE   AltName: Full=Hexosephosphate aminotransferase {ECO:0000255|HAMAP-Rule:MF_00164};
DE   AltName: Full=L-glutamine--D-fructose-6-phosphate amidotransferase {ECO:0000255|HAMAP-Rule:MF_00164};
GN   Name=glmS {ECO:0000255|HAMAP-Rule:MF_00164}; OrderedLocusNames=aq_301;
OS   Aquifex aeolicus (strain VF5).
OC   Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX   NCBI_TaxID=224324;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=VF5;
RX   PubMed=9537320; DOI=10.1038/32831;
RA   Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA   Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA   Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT   "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL   Nature 392:353-358(1998).
CC   -!- FUNCTION: Catalyzes the first step in hexosamine metabolism, converting
CC       fructose-6P into glucosamine-6P using glutamine as a nitrogen source.
CC       {ECO:0000255|HAMAP-Rule:MF_00164}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-fructose 6-phosphate + L-glutamine = D-glucosamine 6-
CC         phosphate + L-glutamate; Xref=Rhea:RHEA:13237, ChEBI:CHEBI:29985,
CC         ChEBI:CHEBI:58359, ChEBI:CHEBI:58725, ChEBI:CHEBI:61527; EC=2.6.1.16;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00164};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00164}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00164}.
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DR   EMBL; AE000657; AAC06609.1; -; Genomic_DNA.
DR   PIR; D70327; D70327.
DR   RefSeq; NP_213208.1; NC_000918.1.
DR   RefSeq; WP_010880146.1; NC_000918.1.
DR   AlphaFoldDB; O66648; -.
DR   SMR; O66648; -.
DR   STRING; 224324.aq_301; -.
DR   EnsemblBacteria; AAC06609; AAC06609; aq_301.
DR   KEGG; aae:aq_301; -.
DR   PATRIC; fig|224324.8.peg.246; -.
DR   eggNOG; COG0449; Bacteria.
DR   HOGENOM; CLU_012520_5_2_0; -.
DR   InParanoid; O66648; -.
DR   OMA; ASEYRYA; -.
DR   OrthoDB; 43416at2; -.
DR   Proteomes; UP000000798; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0097367; F:carbohydrate derivative binding; IEA:InterPro.
DR   GO; GO:0004360; F:glutamine-fructose-6-phosphate transaminase (isomerizing) activity; IBA:GO_Central.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006002; P:fructose 6-phosphate metabolic process; IBA:GO_Central.
DR   GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0006487; P:protein N-linked glycosylation; IBA:GO_Central.
DR   GO; GO:0006047; P:UDP-N-acetylglucosamine metabolic process; IBA:GO_Central.
DR   CDD; cd05008; SIS_GlmS_GlmD_1; 1.
DR   CDD; cd05009; SIS_GlmS_GlmD_2; 1.
DR   Gene3D; 3.60.20.10; -; 1.
DR   HAMAP; MF_00164; GlmS; 1.
DR   InterPro; IPR017932; GATase_2_dom.
DR   InterPro; IPR035466; GlmS/AgaS_SIS.
DR   InterPro; IPR035490; GlmS/FrlB_SIS.
DR   InterPro; IPR005855; GlmS_trans.
DR   InterPro; IPR029055; Ntn_hydrolases_N.
DR   InterPro; IPR001347; SIS_dom.
DR   InterPro; IPR046348; SIS_dom_sf.
DR   PANTHER; PTHR10937:SF0; PTHR10937:SF0; 1.
DR   Pfam; PF01380; SIS; 2.
DR   SUPFAM; SSF53697; SSF53697; 1.
DR   SUPFAM; SSF56235; SSF56235; 1.
DR   TIGRFAMs; TIGR01135; glmS; 1.
DR   PROSITE; PS51278; GATASE_TYPE_2; 1.
DR   PROSITE; PS51464; SIS; 2.
PE   3: Inferred from homology;
KW   Aminotransferase; Cytoplasm; Glutamine amidotransferase;
KW   Reference proteome; Repeat; Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   CHAIN           2..592
FT                   /note="Glutamine--fructose-6-phosphate aminotransferase
FT                   [isomerizing]"
FT                   /id="PRO_0000135292"
FT   DOMAIN          2..217
FT                   /note="Glutamine amidotransferase type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          277..416
FT                   /note="SIS 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          441..582
FT                   /note="SIS 2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   ACT_SITE        2
FT                   /note="Nucleophile; for GATase activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   ACT_SITE        587
FT                   /note="For Fru-6P isomerization activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
SQ   SEQUENCE   592 AA;  65493 MW;  C66601823E2CFC02 CRC64;
     MCGIVGYVGR DLALPIVLGA LERLEYRGYD SAGVALIEDG KLIVEKKKGK IRELVKALWG
     KDYKAKTGIG HTRWATHGKP TDENAHPHTD EKGEFAVVHN GIIENYLELK EELKKEGVKF
     RSETDTEVIA HLIAKNYRGD LLEAVLKTVK KLKGAFAFAV ITVHEPNRLI GVKQGSPLIV
     GLGEGENFLA SDIPAILPYT KKIIVLDDGE IADLTPDTVN IYNFEGEPVS KEVMITPWDL
     VSAEKGGFKH FMLKEIYEQP KAINDTLKGF LSTEDAIPFK LKDFRRVLII ACGTSYHAGF
     VGKYWIERFA GVPTEVIYAS EFRYADVPVS DKDIVIGISQ SGETADTKFA LQSAKEKGAF
     TVGLVNVVGS AIDRESDFSL HTHAGPEIGV AATKTFTAQL TALYALSVRE SEERENLIRL
     LEKVPSLVEQ TLNTAEEVEK VAEKYMKKKN MLYLGRYLNY PIALEGALKL KEISYIHAEG
     YPAGEMKHGP IALIDENMPV VVIAPKDRVY EKILSNVEEV LARKGRVISV GFKGDETLKS
     KSESVMEIPK AEEPITPFLT VIPLQLFAYF IASKLGLDVD QPRNLAKTVT VE