ID L0ET21_LIBCB Unreviewed; 608 AA.
AC L0ET21;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 24-JAN-2024, entry version 55.
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 OrderedLocusNames=B488_06870 {ECO:0000313|EMBL:AGA64679.1};
OS Liberibacter crescens (strain BT-1).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Liberibacter.
OX NCBI_TaxID=1215343 {ECO:0000313|EMBL:AGA64679.1, ECO:0000313|Proteomes:UP000010799};
RN [1] {ECO:0000313|EMBL:AGA64679.1, ECO:0000313|Proteomes:UP000010799}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BT-1 {ECO:0000313|EMBL:AGA64679.1,
RC ECO:0000313|Proteomes:UP000010799};
RX PubMed=23408754; DOI=10.4056/sigs.3326772;
RA Leonard M.T., Fagen J.R., Davis-Richardson A.G., Davis M.J., Triplett E.W.;
RT "Complete genome sequence of Liberibacter crescens BT-1.";
RL Stand. Genomic Sci. 7:271-283(2012).
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 ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP003789; AGA64679.1; -; Genomic_DNA.
DR RefSeq; WP_015273106.1; NC_019907.1.
DR AlphaFoldDB; L0ET21; -.
DR STRING; 1215343.B488_06870; -.
DR KEGG; lcc:B488_06870; -.
DR PATRIC; fig|1215343.11.peg.707; -.
DR eggNOG; COG0449; Bacteria.
DR HOGENOM; CLU_012520_5_2_5; -.
DR Proteomes; UP000010799; 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 {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:UP000010799};
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..217
FT /note="Glutamine amidotransferase type-2"
FT /evidence="ECO:0000259|PROSITE:PS51278"
FT DOMAIN 278..422
FT /note="SIS"
FT /evidence="ECO:0000259|PROSITE:PS51464"
FT DOMAIN 456..598
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 603
FT /note="For Fru-6P isomerization activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00164"
SQ SEQUENCE 608 AA; 67427 MW; 1052E5BA2B12D509 CRC64;
MCGIVGIVSR KPVVERLLDA LKRLEYRGYD SSGIATIHNK KINRCRAEGK LSNLEQLLKV
TPLEGSTGIA HTRWATHGLA NEINAHPHWV DGVAVIHNGI IENFSEIKDK LLLSGITFSS
QTDTEVIVQL LAKFKRDGMN SRDSMTTMLK HITGAYTIAA IFEDDPYTIL SVRNGPPLII
GHGEQEMFLA SDAVALAPFT NKMTYIEDGD LVILKPSSFC ILDFNGTKIE RPSKILQPSN
FFVEKGLHRH FMEKEIYEQP EAISRTLSHY VNFTEKTIIP DIFQFDFAKL SGLAISACGT
AYLSGLVSKY WFNRFAKLPV EIDVASEFRY RDLSFPSSWA ALFISQSGET ADTLAALRCI
RAQKLNIGSI VNIIESTIAR ESNFSFPILA GPEIGVASTK AFTCQLLVLA MMAIYAGKMR
GVITETEEKE FVSHLIEIPR IMSHIINNIH LKIEELCREI SKCLNVLYIG RGTNFPLALE
GALKLKEVSY IHAEGYAAGE LKHGPIALID ETIPIIVIAP YDKCFEKTVS NMEEAAARRG
RIIMITDQKG ASSTNLQTLA KIVLPNVHEL IAPIVFSLPI QMIAYHTAVF IGTDVDQPRN
LAKSVTVE
//
