ID A0A1H3WFR1_9GAMM Unreviewed; 612 AA.
AC A0A1H3WFR1;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 18.
DE RecName: Full=Glutamine--fructose-6-phosphate aminotransferase [isomerizing] {ECO:0000256|ARBA:ARBA00016090, ECO:0000256|HAMAP-Rule:MF_00164};
DE EC=2.6.1.16 {ECO:0000256|ARBA:ARBA00012916, ECO:0000256|HAMAP-Rule:MF_00164};
DE AltName: Full=D-fructose-6-phosphate amidotransferase {ECO:0000256|HAMAP-Rule:MF_00164};
DE AltName: Full=GFAT {ECO:0000256|HAMAP-Rule:MF_00164};
DE AltName: Full=Glucosamine-6-phosphate synthase {ECO:0000256|HAMAP-Rule:MF_00164};
DE AltName: Full=Hexosephosphate aminotransferase {ECO:0000256|HAMAP-Rule:MF_00164};
DE AltName: Full=L-glutamine--D-fructose-6-phosphate amidotransferase {ECO:0000256|HAMAP-Rule:MF_00164};
GN Name=glmS {ECO:0000256|HAMAP-Rule:MF_00164};
GN ORFNames=SAMN05660964_00431 {ECO:0000313|EMBL:SDZ85976.1};
OS Thiothrix caldifontis.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Thiotrichaceae; Thiothrix.
OX NCBI_TaxID=525918 {ECO:0000313|EMBL:SDZ85976.1, ECO:0000313|Proteomes:UP000199397};
RN [1] {ECO:0000313|EMBL:SDZ85976.1, ECO:0000313|Proteomes:UP000199397}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 21228 {ECO:0000313|EMBL:SDZ85976.1,
RC ECO:0000313|Proteomes:UP000199397};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the first step in hexosamine metabolism, converting
CC fructose-6P into glucosamine-6P using glutamine as a nitrogen source.
CC {ECO:0000256|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:0000256|ARBA:ARBA00001031, ECO:0000256|HAMAP-
CC Rule:MF_00164};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00164}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00164}.
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DR EMBL; FNQP01000002; SDZ85976.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H3WFR1; -.
DR STRING; 525918.SAMN05660964_00431; -.
DR OrthoDB; 9761808at2; -.
DR Proteomes; UP000199397; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00022576, ECO:0000256|HAMAP-
KW Rule:MF_00164}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00164};
KW Glutamine amidotransferase {ECO:0000256|ARBA:ARBA00022962};
KW Reference proteome {ECO:0000313|Proteomes:UP000199397};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00164}.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00164"
FT DOMAIN 2..219
FT /note="Glutamine amidotransferase type-2"
FT /evidence="ECO:0000259|PROSITE:PS51278"
FT DOMAIN 288..429
FT /note="SIS"
FT /evidence="ECO:0000259|PROSITE:PS51464"
FT DOMAIN 461..602
FT /note="SIS"
FT /evidence="ECO:0000259|PROSITE:PS51464"
FT ACT_SITE 2
FT /note="Nucleophile; for GATase activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00164"
FT ACT_SITE 607
FT /note="For Fru-6P isomerization activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00164"
SQ SEQUENCE 612 AA; 67131 MW; CD98DA2C52780683 CRC64;
MCGIVGAVAQ RPVVEILLEG LRRLEYRGYD SAGVAVVRAE GDLVRSRAVG KVAALMERLD
GEPIDGKLGI AHTRWATHGV PAERNAHPHF SGEWVGLVHN GIIENHVELR KRLQDDGYRF
DSDTDTEVIA HLIDIFRRQG VSMLDAVMAA RCELHGAYAM AVISPDEPDT LIVARQGSPL
VLGLGIGENF IGSDIQALLP VTSRFIYLEN GDVARITRKK IDIFDVNGER VVRPVRESNA
SMCSAELGDY RHFMLKEIFE QPQSVTGTLE NRLAGDHVLP ALLGVSDALE RLAQVEEIQI
LACGTSYHAG LVGRYWIEAN TDIPCNVEVA SEYRYRRQPP RKNMLFVTIS QSGETADTLA
ALEKIKENHG ALATLTICNV AESSLTRESD MALMTMAGPE IGVASTKAFT TQLVALQLLM
VLLMQAKGAD KAKVAQMVAD LRKLPALIEQ VLDLNPKIET LAERFIEKNH ALFLGRGELY
PIAMEGALKL KEISYIHAEA YPAGELKHGP LALVDSEMPI VTVAPNTALL EKLKSNLEEV
RSRGGELYVF ADREAHIVAA DNLHVLEMPH VPEMLAPIVY TIPLQLLSYH VAVLKGTDVD
KPRNLAKSVT VE
//
