ID   GLMS_CLOTE              Reviewed;         608 AA.
AC   Q890U2;
DT   16-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   27-MAR-2024, entry version 114.
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};
GN   OrderedLocusNames=CTC_02543;
OS   Clostridium tetani (strain Massachusetts / E88).
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=212717;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Massachusetts / E88;
RX   PubMed=12552129; DOI=10.1073/pnas.0335853100;
RA   Brueggemann H., Baeumer S., Fricke W.F., Wiezer A., Liesegang H.,
RA   Decker I., Herzberg C., Martinez-Arias R., Merkl R., Henne A.,
RA   Gottschalk G.;
RT   "The genome sequence of Clostridium tetani, the causative agent of tetanus
RT   disease.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:1316-1321(2003).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAO37003.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE015927; AAO37003.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_035111559.1; NC_004557.1.
DR   AlphaFoldDB; Q890U2; -.
DR   SMR; Q890U2; -.
DR   STRING; 212717.CTC_02543; -.
DR   GeneID; 24253418; -.
DR   KEGG; ctc:CTC_02543; -.
DR   HOGENOM; CLU_012520_5_2_9; -.
DR   OrthoDB; 106547at2; -.
DR   Proteomes; UP000001412; 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; cd00714; GFAT; 1.
DR   CDD; cd05008; SIS_GlmS_GlmD_1; 1.
DR   CDD; cd05009; SIS_GlmS_GlmD_2; 1.
DR   Gene3D; 3.60.20.10; Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1; 1.
DR   HAMAP; MF_00164; GlmS; 1.
DR   InterPro; IPR017932; GATase_2_dom.
DR   InterPro; IPR005855; GFAT.
DR   InterPro; IPR047084; GFAT_N.
DR   InterPro; IPR035466; GlmS/AgaS_SIS.
DR   InterPro; IPR035490; GlmS/FrlB_SIS.
DR   InterPro; IPR029055; Ntn_hydrolases_N.
DR   InterPro; IPR001347; SIS_dom.
DR   InterPro; IPR046348; SIS_dom_sf.
DR   NCBIfam; TIGR01135; glmS; 1.
DR   PANTHER; PTHR10937; GLUCOSAMINE--FRUCTOSE-6-PHOSPHATE AMINOTRANSFERASE, ISOMERIZING; 1.
DR   PANTHER; PTHR10937:SF0; GLUTAMINE--FRUCTOSE-6-PHOSPHATE TRANSAMINASE (ISOMERIZING); 1.
DR   Pfam; PF13522; GATase_6; 1.
DR   Pfam; PF01380; SIS; 2.
DR   SUPFAM; SSF56235; N-terminal nucleophile aminohydrolases (Ntn hydrolases); 1.
DR   SUPFAM; SSF53697; SIS domain; 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..608
FT                   /note="Glutamine--fructose-6-phosphate aminotransferase
FT                   [isomerizing]"
FT                   /id="PRO_0000135324"
FT   DOMAIN          2..217
FT                   /note="Glutamine amidotransferase type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          284..424
FT                   /note="SIS 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          453..598
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        603
FT                   /note="For Fru-6P isomerization activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
SQ   SEQUENCE   608 AA;  67826 MW;  01F969978DE4D07E CRC64;
     MCGIVGYIGK KEAAPILVEG LSKLEYRGYD SAGVAIIEDQ VIRTRKCKGR LVNLEEKLNE
     ESMIGDIGIG HTRWATHGEP SDKNSHPHNN EKGTISVVHN GIIENYIELR EWLTSEGYKF
     VSETDTEVLP HLIDYYYKGD LLEAVMTAIS KVEGSYAIGV VCSEEPDKVV AVRKDSPLIV
     GLGEEEYFIA SDIPAVLNHT RDIYLLKDNE FVLMTKDGVK LFDKEGKEIK REIYHVTWNA
     DAAEKGGYDH FMLKEIHEQP KVIKDTMTSR IMLGKDIKLD NIEISKEQME KINKIYIVAC
     GTAYHAGLVG KYTIEKLARI PVEVDIASEF RYKNPIIDKD TLMIVISQSG ETADTLAALR
     EAKKKGARVI AVTNVVGSSI SREADDILYT WAGPEIAVAS TKAYETQLVA MYILALYFAQ
     EKGTLNKEEL EELKEEMLSI PDKAEKCLET DEIMKKLASK THMKKDMFFL GRGLDYAVAL
     EGSLKLKEIS YIHSEAYAAG ELKHGPIALI EEGTIVITLA TQEELFDKTV SNIKEVTTRG
     AKAIGIAFEG QKNMDKAVEE AIYIPKTKSI FAPLLSVIPL QLYSYYVSLE KGCDVDKPRN
     LAKSVTVE
//