ID   GLMS_LEGPA              Reviewed;         604 AA.
AC   Q5X153;
DT   30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   25-MAY-2022, entry version 102.
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=lpp2893;
OS   Legionella pneumophila (strain Paris).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=297246;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Paris;
RX   PubMed=15467720; DOI=10.1038/ng1447;
RA   Cazalet C., Rusniok C., Brueggemann H., Zidane N., Magnier A., Ma L.,
RA   Tichit M., Jarraud S., Bouchier C., Vandenesch F., Kunst F., Etienne J.,
RA   Glaser P., Buchrieser C.;
RT   "Evidence in the Legionella pneumophila genome for exploitation of host
RT   cell functions and high genome plasticity.";
RL   Nat. Genet. 36:1165-1173(2004).
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; CR628336; CAH14046.1; -; Genomic_DNA.
DR   RefSeq; WP_014844885.1; NC_006368.1.
DR   AlphaFoldDB; Q5X153; -.
DR   SMR; Q5X153; -.
DR   KEGG; lpp:lpp2893; -.
DR   LegioList; lpp2893; -.
DR   HOGENOM; CLU_012520_5_2_6; -.
DR   OMA; TSYYSGC; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0097367; F:carbohydrate derivative binding; IEA:InterPro.
DR   GO; GO:0004360; F:glutamine-fructose-6-phosphate transaminase (isomerizing) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:1901137; P:carbohydrate derivative biosynthetic process; IEA:InterPro.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-KW.
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; Repeat;
KW   Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   CHAIN           2..604
FT                   /note="Glutamine--fructose-6-phosphate aminotransferase
FT                   [isomerizing]"
FT                   /id="PRO_0000135345"
FT   DOMAIN          2..219
FT                   /note="Glutamine amidotransferase type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          279..427
FT                   /note="SIS 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          454..594
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        599
FT                   /note="For Fru-6P isomerization activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
SQ   SEQUENCE   604 AA;  66392 MW;  232D8CD811BCD60F CRC64;
     MCGIMGAVSE RDISKILLEG LRRLEYRGYD SAGIAVIDSQ DRLKRVRIQG KVQNLADAMQ
     ETAIAGNTGI AHTRWATHGK PSEQNAHPHL SHGEIALVHN GIIENHEHLR QQLITYGYQF
     TSETDTEVAA HLIHYHYQQH ENLLLAVQKA AAEMQGAFAL GVIHQKRPEE LVAIRKGSPL
     VLGFGIGENF IASDALALRS FAQSVIYMEE GDSACVTTQD IKVYDSNRIL VQRAVHPLNS
     DSEIVNKGPY RHFMLKEIFE QSKVITDTLE SRINSIDVLR ASFGEKASHI FPMVKNIHIV
     ACGTSYHAGM IAKYWLESLA GLPTQVEIAS EYRYRDVVVP DNTLFITVSQ SGETADTLAA
     LFKAKQSNYL ASLAICNVAT STLVREADCV FLTRAGIEIG VASTKAFTTQ LAAFLMLAAA
     LCKDNRAQEV LRQLQELPAC CERVLQMNEE VESLASLFVN KVHALFLGRG VQYPVALEGA
     LKLKEISYIH AEAYPAGELK HGPLALVDKD MPVIAVAPND ELLDKLKSNL HEVSARGGQL
     FVFVDDSQNW KANGARLIKV PSCGAWLAPI VYTIPLQLLA YHVAVAKGTD VDQPRNLAKS
     VTVE