ID H6RHE9_9BACT Unreviewed; 615 AA.
AC H6RHE9;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 13-SEP-2023, entry version 41.
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=VIS_S18DCB90024 {ECO:0000313|EMBL:CCG00460.1};
OS uncultured Flavobacteriia bacterium.
OC Bacteria; Bacteroidota; Flavobacteriia; environmental samples.
OX NCBI_TaxID=212695 {ECO:0000313|EMBL:CCG00460.1};
RN [1] {ECO:0000313|EMBL:CCG00460.1}
RP NUCLEOTIDE SEQUENCE.
RA Gomez-Pereira PR, Schuler M, Fuchs BM, Bennke C, Teeling H, Waldmann J,
RA Richter M, Barbe V, Bataille E, Glockner FO, Amann R.;
RT "Genomic content of uncultured Bacteroidetes from contrasting oceanic
RT provinces in the North Atlantic Ocean.";
RL Environ. Microbiol. 14:52-66(2012).
RN [2] {ECO:0000313|EMBL:CCG00460.1}
RP NUCLEOTIDE SEQUENCE.
RA Genoscope - CEA;
RL Submitted (FEB-2012) 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; FO117608; CCG00460.1; -; Genomic_DNA.
DR AlphaFoldDB; H6RHE9; -.
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; PS50890; PUA; 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 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..222
FT /note="Glutamine amidotransferase type-2"
FT /evidence="ECO:0000259|PROSITE:PS51278"
FT DOMAIN 292..431
FT /note="SIS"
FT /evidence="ECO:0000259|PROSITE:PS51464"
FT DOMAIN 464..605
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 610
FT /note="For Fru-6P isomerization activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00164"
SQ SEQUENCE 615 AA; 66972 MW; BF66CFCCBA4A7837 CRC64;
MCGIVGYLGP QEAYPILIDG LKRLEYRGYD SAGIATLESQ DLLRIEKKQG KVANLEAHIG
ENKPQGTVGI GHTRWATHGP PSDVNAHPHG GGQGRIAVIH NGIIENYEAL RELLTHRGHN
LVSETDTEVL AHFIEEVQLS TGLDLPDAVR TALKEVVGAY ALVVIDQSNP HRLIAARKSS
PLVIGVGQDN EFFVGSDATP IVAHTKNVIY LEDEEVATMH RSGELTIRTI GDTVVTPEIH
AIELEMASLE KAGYDHFMLK EIFEQPKSIR DSIRGRIRLQ AGESTVSGID DHWDVWSKAQ
RILILGCGTS WHAGLVAEYL FESLARIPVE VEYASEFRYR NPIIRENDVV IAISQSGETA
DTLAAIRLAK EQGAHVFGVC NVVGSSIARE THAGAYTHAG PEIGVASTKA FTAQVAVLTI
LAMHVGHRSG RLEDQPFMRL MTGLDNIPGL VERVLDNAGT IEHIAKKFAD ADNALYLGRG
YQFPVALEGA LKLKEISYIH AEGYPAAEMK HGPIALIDEA MPVVFIATQD EVYEKVVSNI
QEVKARGGQV LAVVTEGDTK VRALADHILE IPKVDDALAP LLTVIPMQLL SYHVALMRGC
NVDQPRNLAK SVTVE
//