GLMS_CHLAB
ID GLMS_CHLAB Reviewed; 609 AA.
AC Q5L589;
DT 30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 3.
DT 03-AUG-2022, entry version 98.
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=CAB756;
OS Chlamydia abortus (strain DSM 27085 / S26/3) (Chlamydophila abortus).
OC Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC Chlamydia/Chlamydophila group; Chlamydia.
OX NCBI_TaxID=218497;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 27085 / S26/3;
RX PubMed=15837807; DOI=10.1101/gr.3684805;
RA Thomson N.R., Yeats C., Bell K., Holden M.T.G., Bentley S.D.,
RA Livingstone M., Cerdeno-Tarraga A.-M., Harris B., Doggett J., Ormond D.,
RA Mungall K., Clarke K., Feltwell T., Hance Z., Sanders M., Quail M.A.,
RA Price C., Barrell B.G., Parkhill J., Longbottom D.;
RT "The Chlamydophila abortus genome sequence reveals an array of variable
RT proteins that contribute to interspecies variation.";
RL Genome Res. 15:629-640(2005).
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; CR848038; CAH64203.1; -; Genomic_DNA.
DR RefSeq; WP_011097316.1; NC_004552.2.
DR AlphaFoldDB; Q5L589; -.
DR SMR; Q5L589; -.
DR EnsemblBacteria; CAH64203; CAH64203; CAB756.
DR KEGG; cab:CAB756; -.
DR eggNOG; COG0449; Bacteria.
DR HOGENOM; CLU_012520_5_2_0; -.
DR OMA; ASEYRYA; -.
DR OrthoDB; 43416at2; -.
DR Proteomes; UP000001012; 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; cd05008; SIS_GlmS_GlmD_1; 1.
DR CDD; cd05009; SIS_GlmS_GlmD_2; 1.
DR Gene3D; 3.60.20.10; -; 1.
DR HAMAP; MF_00164; GlmS; 1.
DR InterPro; IPR017932; GATase_2_dom.
DR InterPro; IPR035466; GlmS/AgaS_SIS.
DR InterPro; IPR035490; GlmS/FrlB_SIS.
DR InterPro; IPR005855; GlmS_trans.
DR InterPro; IPR029055; Ntn_hydrolases_N.
DR InterPro; IPR001347; SIS_dom.
DR InterPro; IPR046348; SIS_dom_sf.
DR PANTHER; PTHR10937:SF0; PTHR10937:SF0; 1.
DR Pfam; PF01380; SIS; 2.
DR SUPFAM; SSF53697; SSF53697; 1.
DR SUPFAM; SSF56235; SSF56235; 1.
DR TIGRFAMs; TIGR01135; glmS; 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..609
FT /note="Glutamine--fructose-6-phosphate aminotransferase
FT [isomerizing]"
FT /id="PRO_0000135316"
FT DOMAIN 2..219
FT /note="Glutamine amidotransferase type-2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT DOMAIN 280..426
FT /note="SIS 1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
FT DOMAIN 458..599
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 604
FT /note="For Fru-6P isomerization activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00164"
SQ SEQUENCE 609 AA; 67057 MW; F2B2E9D59E614AC6 CRC64;
MCGIFGYLGS KLAIPVVLDG LAKLEYRGYD SAGLASIHLG DLFVRKTIGR VDELRHSLEQ
ENIQSLLAIG HTRWATHGVP TVSNAHPHVD ENRTCAVVHN GIIENFKELK SFLLSEGVSF
SSDTDSEVIA QLFAYRYQTT ADLIHSFSWT LSQLQGSFSC GLIHKDHPDV LLCAAQESPL
ILGLGEGENF IASDSRAFLK HTQSIQALAS GELAIVGLGH EVETYNFALK RISKPVRQVT
YTDAGSDKQG YSYYMLKEIY EQPEVLERLV HKYLDPQGHI SEKFLQGFPL EDFDEISIVA
CGSSYHAGFL AKYIIESLVS IPVHVEVASE FRYRRAYIGQ KTLAILISQS GETADTLAAL
KEFRRRQVSC VLGICNVEES ALATGVDHCL FLEAGIEIGV ASTKAFTAQL LLLILLGLKL
TISKHTLSLT EHCACGKGLL ELPELCNRLL ANENLHSWAH TYCNEDRFIF LGRRLMYPIC
MEAALKLKEI AYVEANCYPA GEMKHGPIAL ISKGSPVITF CGDSTVYEKM VGCIMEVKAR
QAHVIAVASE AQEDIAAVSD FQIYVPNSHS LASPILYTIV GQIMAYTMAL KKGNEIDCPR
NLAKSVTVE
