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Database: UniProt
Entry: GLMS_BARQU
LinkDB: GLMS_BARQU
Original site: GLMS_BARQU 
ID   GLMS_BARQU              Reviewed;         607 AA.
AC   Q6FZH6;
DT   30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   24-JAN-2024, entry version 115.
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}; OrderedLocusNames=BQ07640;
OS   Bartonella quintana (strain Toulouse) (Rochalimaea quintana).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Bartonellaceae; Bartonella.
OX   NCBI_TaxID=283165;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Toulouse;
RX   PubMed=15210978; DOI=10.1073/pnas.0305659101;
RA   Alsmark U.C.M., Frank A.C., Karlberg E.O., Legault B.-A., Ardell D.H.,
RA   Canbaeck B., Eriksson A.-S., Naeslund A.K., Handley S.A., Huvet M.,
RA   La Scola B., Holmberg M., Andersson S.G.E.;
RT   "The louse-borne human pathogen Bartonella quintana is a genomic derivative
RT   of the zoonotic agent Bartonella henselae.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9716-9721(2004).
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}.
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DR   EMBL; BX897700; CAF26248.1; -; Genomic_DNA.
DR   RefSeq; WP_011179499.1; NC_005955.1.
DR   AlphaFoldDB; Q6FZH6; -.
DR   SMR; Q6FZH6; -.
DR   KEGG; bqu:BQ07640; -.
DR   eggNOG; COG0449; Bacteria.
DR   HOGENOM; CLU_012520_5_2_5; -.
DR   OMA; ASEYRYA; -.
DR   OrthoDB; 9761808at2; -.
DR   Proteomes; UP000000597; 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; Repeat;
KW   Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   CHAIN           2..607
FT                   /note="Glutamine--fructose-6-phosphate aminotransferase
FT                   [isomerizing]"
FT                   /id="PRO_0000135303"
FT   DOMAIN          2..217
FT                   /note="Glutamine amidotransferase type-2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          277..422
FT                   /note="SIS 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT   DOMAIN          455..597
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        602
FT                   /note="For Fru-6P isomerization activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
SQ   SEQUENCE   607 AA;  67131 MW;  040A4F77DA931916 CRC64;
     MCGIIGILGK KCVASSLIAG LKRLEYRGYD SSGIATVHNG RLYRVRAEGK LVHLEEKLKK
     TPLKGSLGIG HTRWATHGVA VERNAHPHVT ERLAIVHNGI IENFVELQKE LIEEGYTFET
     ETDTEVIAHL ITRALKSGLS QQEAIRTSWK RLQGAFAIVV IFEGQDNLMI AARSGPPLAI
     GYGQDEFFVG SDAVALASFV DRISYMEDGD WAVLTREGVT IYGADNQPVK RPITTLFEGT
     LLVSKGNHRH FMHKEMFEQP EVISHNLAHY LDLGNYTVRS LKNLIDWKKI NRILFASCGT
     AYYSTLVARY WFENFAALSV DNDIASEFRY REPPITSDVL SVFVSQSGET ADTLACLRYC
     REHGVKTATI VNVEQSTMAR EADFILPTRA GPEIGVASTK AFTCQLATLA AMALDAAKQR
     GSLSEKAEHQ FVQQLAEVPR ILNEVLKLDD KIEQICRDLV NVRGVLYLGR GTSYPIALEG
     ALKLKELSYI HAEGYAAGEL KHGPIALVDE AIPVIVVAPY DRWFEKTFSN MQEVAARNGR
     IILITDKRGA EVAGLDTLST IVLPNIPEFI APIIYALPIQ LIAYHTAVLL GTDVDQPRNL
     AKSVTVE
//
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