ID   XYLA_ECOL5              Reviewed;         440 AA.
AC   Q0TBN7;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=Xylose isomerase {ECO:0000255|HAMAP-Rule:MF_00455};
DE            EC=5.3.1.5 {ECO:0000255|HAMAP-Rule:MF_00455};
GN   Name=xylA {ECO:0000255|HAMAP-Rule:MF_00455}; OrderedLocusNames=ECP_3668;
OS   Escherichia coli O6:K15:H31 (strain 536 / UPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=362663;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=536 / UPEC;
RX   PubMed=16879640; DOI=10.1111/j.1365-2958.2006.05255.x;
RA   Hochhut B., Wilde C., Balling G., Middendorf B., Dobrindt U.,
RA   Brzuszkiewicz E., Gottschalk G., Carniel E., Hacker J.;
RT   "Role of pathogenicity island-associated integrases in the genome
RT   plasticity of uropathogenic Escherichia coli strain 536.";
RL   Mol. Microbiol. 61:584-595(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=alpha-D-xylose = alpha-D-xylulofuranose; Xref=Rhea:RHEA:22816,
CC         ChEBI:CHEBI:28518, ChEBI:CHEBI:188998; EC=5.3.1.5;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00455};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00455};
CC       Note=Binds 2 magnesium ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00455};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00455}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00455}.
CC   -!- SIMILARITY: Belongs to the xylose isomerase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00455}.
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DR   EMBL; CP000247; ABG71642.1; -; Genomic_DNA.
DR   RefSeq; WP_001149592.1; NC_008253.1.
DR   AlphaFoldDB; Q0TBN7; -.
DR   SMR; Q0TBN7; -.
DR   STRING; 362663.ECP_3668; -.
DR   EnsemblBacteria; ABG71642; ABG71642; ECP_3668.
DR   GeneID; 66672546; -.
DR   KEGG; ecp:ECP_3668; -.
DR   HOGENOM; CLU_037261_1_0_6; -.
DR   OMA; TLAMYEI; -.
DR   Proteomes; UP000009182; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009045; F:xylose isomerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0042732; P:D-xylose metabolic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00455; Xylose_isom_A; 1.
DR   InterPro; IPR036237; Xyl_isomerase-like_sf.
DR   InterPro; IPR013452; Xylose_isom_bac.
DR   InterPro; IPR001998; Xylose_isomerase.
DR   PRINTS; PR00688; XYLOSISMRASE.
DR   SUPFAM; SSF51658; SSF51658; 1.
DR   TIGRFAMs; TIGR02630; xylose_isom_A; 1.
DR   PROSITE; PS51415; XYLOSE_ISOMERASE; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Cytoplasm; Isomerase; Magnesium; Metal-binding;
KW   Xylose metabolism.
FT   CHAIN           1..440
FT                   /note="Xylose isomerase"
FT                   /id="PRO_1000026439"
FT   ACT_SITE        101
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   ACT_SITE        104
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         232
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         268
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         268
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         271
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         296
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         307
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         309
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         339
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
SQ   SEQUENCE   440 AA;  49719 MW;  6E21039B6EC0561F CRC64;
     MQAYFDQLDR VRYEGSKSSN PLAFRHYNPD ELVLGKRMEE HLRFAACYWH TFCWNGADMF
     GVGAFNRPWQ QPGEALALAK RKADVAFEFF HKLHVPFYCF HDVDVSPEGA SLKEYINNFA
     QMVDVLAGKQ EESGVKLLWG TANCFTNPRY GAGAATNPDP EVFSWAATQV VTAMEATHKL
     GGENYVLWGG REGYETLLNT DLRQEREQLG RFMQMVVEHK HKIGFQGTLL IEPKPQEPTK
     HQYDYDAATV YGFLKQFGLE KEIKLNIEAN HATLAGHSFH HEIATAIALG LFGSVDANRG
     DAQLGWDTDQ FPNSVEENAL VMYEILKAGG FTTGGLNFDA KVRRQSTDKY DLFYGHIGAM
     DTMALALKIA ARMIEDGELD KRIAQRYSGW NSELGQQILK GQMSLADLAK YAQEHNLSPV
     HQSGRQEQLE NLVNHYLFDK