ID   GLMS_GEOKA              Reviewed;         600 AA.
AC   Q5L3P0;
DT   30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   25-MAY-2022, entry version 92.
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=GK0155;
OS   Geobacillus kaustophilus (strain HTA426).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Geobacillus;
OC   Geobacillus thermoleovorans group.
OX   NCBI_TaxID=235909;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTA426;
RX   PubMed=15576355; DOI=10.1093/nar/gkh970;
RA   Takami H., Takaki Y., Chee G.-J., Nishi S., Shimamura S., Suzuki H.,
RA   Matsui S., Uchiyama I.;
RT   "Thermoadaptation trait revealed by the genome sequence of thermophilic
RT   Geobacillus kaustophilus.";
RL   Nucleic Acids Res. 32:6292-6303(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; BA000043; BAD74440.1; -; Genomic_DNA.
DR   RefSeq; WP_011229667.1; NC_006510.1.
DR   AlphaFoldDB; Q5L3P0; -.
DR   SMR; Q5L3P0; -.
DR   STRING; 235909.GK0155; -.
DR   EnsemblBacteria; BAD74440; BAD74440; GK0155.
DR   KEGG; gka:GK0155; -.
DR   eggNOG; COG0449; Bacteria.
DR   HOGENOM; CLU_012520_7_1_9; -.
DR   OMA; ASEYRYA; -.
DR   Proteomes; UP000001172; Chromosome.
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;
KW   Reference proteome; Repeat; Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   CHAIN           2..600
FT                   /note="Glutamine--fructose-6-phosphate aminotransferase
FT                   [isomerizing]"
FT                   /id="PRO_0000135334"
FT   DOMAIN          2..217
FT                   /note="Glutamine amidotransferase type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          283..422
FT                   /note="SIS 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          452..590
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        595
FT                   /note="For Fru-6P isomerization activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
SQ   SEQUENCE   600 AA;  65643 MW;  2D8E904BBC8C1C69 CRC64;
     MCGIVGYIGY QDVKEILLRG LEKLEYRGYD SAGIAVLNES GVHVFKEKGR IADLRRIVDP
     NVNATVGIGH TRWATHGAPS RVNAHPHQSA SGRFTLVHNG VIENYEMVKR DYLADVAFQS
     DTDTEVIVQL VEKFVRDGLT TEEAFRKTLS LLKGSYAIAM IDAQDENTIY AAKNKSPLLV
     GLGDGFNVVA SDAMAMLQVT NQFVELMDGE LVIVTSENVT IQTLNGETVK RKPFTAELDA
     SDIEKGTYPH YMLKEIDEQP FVIRRIIQKY QDDNGELAID KAIINEVLNA DRLYIVACGT
     SYHAGLVGKQ LIESWAKIPV EVHIASEFSY NMPLLSEKPL FIFISQSGET ADSRAVLVQT
     NKLGYKAITI TNVPGSTLSR EADYTLLLHA GPEIAVASTK AYTAQIAVLA ILAAAAAKAK
     GFELDFDLTK ELAIVANVME MLCDAKEEME KIASDYLTLT RNCFFIGRAV DYYVCLEGAL
     KLKEISYIQA EGFAGGELKH GTIALIEDGT PVIALATQEH VNLSIRGNVK EVVARGANPC
     VISMRGLEGD GDRFIIPAVH PDLTPLVSVV PLQLIAYYAA LHRGCDVDKP RNLAKSVTVE