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Database: UniProt
Entry: I0RB76_9FIRM
LinkDB: I0RB76_9FIRM
Original site: I0RB76_9FIRM 
ID   I0RB76_9FIRM            Unreviewed;       613 AA.
AC   I0RB76;
DT   13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT   13-JUN-2012, sequence version 1.
DT   24-JAN-2024, entry version 53.
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   ECO:0000313|EMBL:EIC96934.1};
GN   ORFNames=HMPREF9970_1161 {ECO:0000313|EMBL:EIC96934.1};
OS   Lachnoanaerobaculum saburreum F0468.
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Lachnospiraceae;
OC   Lachnoanaerobaculum.
OX   NCBI_TaxID=1095750 {ECO:0000313|EMBL:EIC96934.1, ECO:0000313|Proteomes:UP000005039};
RN   [1] {ECO:0000313|EMBL:EIC96934.1, ECO:0000313|Proteomes:UP000005039}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=F0468 {ECO:0000313|EMBL:EIC96934.1,
RC   ECO:0000313|Proteomes:UP000005039};
RA   Durkin A.S., McCorrison J., Torralba M., Gillis M., Methe B., Sutton G.,
RA   Nelson K.E.;
RL   Submitted (MAR-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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EIC96934.1}.
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DR   EMBL; AJGH01000017; EIC96934.1; -; Genomic_DNA.
DR   RefSeq; WP_008752988.1; NZ_AJGH01000017.1.
DR   AlphaFoldDB; I0RB76; -.
DR   PATRIC; fig|1095750.3.peg.322; -.
DR   eggNOG; COG0449; Bacteria.
DR   OrthoDB; 106547at2; -.
DR   Proteomes; UP000005039; 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   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..221
FT                   /note="Glutamine amidotransferase type-2"
FT                   /evidence="ECO:0000259|PROSITE:PS51278"
FT   DOMAIN          290..429
FT                   /note="SIS"
FT                   /evidence="ECO:0000259|PROSITE:PS51464"
FT   DOMAIN          462..603
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        608
FT                   /note="For Fru-6P isomerization activity"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00164"
SQ   SEQUENCE   613 AA;  68156 MW;  69A7CDFB98DDF3BA CRC64;
     MCGIVGFVGQ GNAKDILLSG LSRLEYRGYD SAGIALYSRP FTVVKAVGKL NELKKKIAAS
     KECELPCSMG IGHTRWATHG KADEKNAHPH LSMHKEVVLV HNGIIENFAD LKNFLQEKGY
     SFYSDTDTEV AVNLIEYFYL KEKDVLKALL AVQKELKGSY AFAIMFKDDA NTLYAMRKDS
     PLVVGKGENG FYPASDVSAF LDYTKEFYKL ENKEILSITE NEIHIYNKNG EEVKRSSTVA
     ELDSSMIHKG EYLHFMEKEI FEQPQAVKDT LLYACNQENN CFSYESFSMR ERDFKEISRI
     RVIACGSAYH AGYVLKSVCE RLARVPVQVE LASEFRYNHP ILETGELVIS ISQSGETADT
     LAAVREAKKL GAKTLSIVNV IGSAIAGESD FVFYTQAGPE IAVATTKAYS CQLVAGYIFS
     LLLAKAKGKI NDTEVHSLKD ELFLLPGKIQ QCLSLDSETL PMAKKLKDDK NIFFLGRGLD
     WAVSMEGALK LKEISYIHCE SYSSGELKHG TISLIEKNSP VIALISQEDL ATKSISNIHE
     VKSRGAKCFA FTMENISVEE NDFTQILIVP KTRPLFAGSL LVVPLQFLSY QVSLLKGLDP
     DKPRNLAKSV TVE
//
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