GUTQ_ECOL6
ID GUTQ_ECOL6 Reviewed; 321 AA.
AC Q8FEN7;
DT 28-JUN-2011, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2003, sequence version 1.
DT 03-AUG-2022, entry version 95.
DE RecName: Full=Arabinose 5-phosphate isomerase GutQ;
DE Short=API;
DE Short=G-API;
DE EC=5.3.1.13;
DE AltName: Full=Phosphosugar aldol-ketol isomerase;
GN Name=gutQ; OrderedLocusNames=c3262;
OS Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=199310;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CFT073 / ATCC 700928 / UPEC;
RX PubMed=12471157; DOI=10.1073/pnas.252529799;
RA Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D.,
RA Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F.,
RA Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T.,
RA Donnenberg M.S., Blattner F.R.;
RT "Extensive mosaic structure revealed by the complete genome sequence of
RT uropathogenic Escherichia coli.";
RL Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002).
CC -!- FUNCTION: Catalyzes the reversible aldol-ketol isomerization between D-
CC ribulose 5-phosphate (Ru5P) and D-arabinose 5-phosphate (A5P). It is
CC also able of sustaining the biosynthetic pathway of 3-deoxy-D-manno-
CC octulosonate (KDO), a unique 8-carbon sugar component of
CC lipopolysaccharides (LPSs) (By similarity). {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-arabinose 5-phosphate = D-ribulose 5-phosphate;
CC Xref=Rhea:RHEA:23104, ChEBI:CHEBI:57693, ChEBI:CHEBI:58121;
CC EC=5.3.1.13;
CC -!- SUBUNIT: Homotetramer. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the SIS family. GutQ/KpsF subfamily.
CC {ECO:0000305}.
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DR EMBL; AE014075; AAN81713.1; -; Genomic_DNA.
DR RefSeq; WP_001287404.1; NC_004431.1.
DR AlphaFoldDB; Q8FEN7; -.
DR SMR; Q8FEN7; -.
DR STRING; 199310.c3262; -.
DR EnsemblBacteria; AAN81713; AAN81713; c3262.
DR KEGG; ecc:c3262; -.
DR eggNOG; COG0517; Bacteria.
DR eggNOG; COG0794; Bacteria.
DR HOGENOM; CLU_040681_13_1_6; -.
DR OMA; MPRVITP; -.
DR BioCyc; ECOL199310:C3262-MON; -.
DR Proteomes; UP000001410; Chromosome.
DR GO; GO:0019146; F:arabinose-5-phosphate isomerase activity; IEA:UniProtKB-EC.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0019294; P:keto-3-deoxy-D-manno-octulosonic acid biosynthetic process; ISS:UniProtKB.
DR CDD; cd05014; SIS_Kpsf; 1.
DR Gene3D; 3.10.580.10; -; 1.
DR InterPro; IPR000644; CBS_dom.
DR InterPro; IPR046342; CBS_dom_sf.
DR InterPro; IPR004800; KdsD/KpsF-type.
DR InterPro; IPR001347; SIS_dom.
DR InterPro; IPR046348; SIS_dom_sf.
DR InterPro; IPR035474; SIS_Kpsf.
DR Pfam; PF00571; CBS; 2.
DR Pfam; PF01380; SIS; 1.
DR PIRSF; PIRSF004692; KdsD_KpsF; 1.
DR SUPFAM; SSF53697; SSF53697; 1.
DR SUPFAM; SSF54631; SSF54631; 1.
DR TIGRFAMs; TIGR00393; kpsF; 1.
DR PROSITE; PS51371; CBS; 2.
DR PROSITE; PS51464; SIS; 1.
PE 3: Inferred from homology;
KW ATP-binding; CBS domain; Isomerase; Lipopolysaccharide biosynthesis;
KW Metal-binding; Nucleotide-binding; Repeat; Zinc.
FT CHAIN 1..321
FT /note="Arabinose 5-phosphate isomerase GutQ"
FT /id="PRO_0000410938"
FT DOMAIN 34..177
FT /note="SIS"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00797"
FT DOMAIN 203..261
FT /note="CBS 1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00703"
FT DOMAIN 269..321
FT /note="CBS 2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00703"
FT BINDING 49..54
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255"
FT BINDING 68..69
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 75
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 75
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
FT BINDING 81
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 107..116
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 141..143
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 215
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 267
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT SITE 52
FT /note="Catalytically relevant"
FT /evidence="ECO:0000250"
FT SITE 104
FT /note="Catalytically relevant"
FT /evidence="ECO:0000250"
FT SITE 145
FT /note="Catalytically relevant"
FT /evidence="ECO:0000250"
FT SITE 186
FT /note="Catalytically relevant"
FT /evidence="ECO:0000250"
SQ SEQUENCE 321 AA; 34070 MW; 83F034E2725FD4A4 CRC64;
MSEALLNAGR QTLMLELQEA SHLPERLGDD FVRAANIILH CEGKVVVSGI GKSGHIGKKI
AATLASTGTP AFFVHPAEAL HGDLGMIESR DVMLFISYSG GAKELDLIIP RLEDKSIALL
AMTGKPTSPL GLAAKAVLDI SVEREACPMH LAPTSSTVNT LMMGDALAMA VMQARGFNEE
DFARSHPAGA LGARLLNKVH HLMRRDDAIP QVALTASVMD AMLELSRTGL GLVAVCDDQR
LVKGVFTDGD LRRWLVGGGA LTTPVNEAMT VGGTTLQSQS RAIDAKEILM KRKITAAPVV
DENGKLTGAI NLQDFYQAGI I
