ID   XYLA_ECO55              Reviewed;         440 AA.
AC   B7L6Y0;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 71.
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};
GN   OrderedLocusNames=EC55989_4020;
OS   Escherichia coli (strain 55989 / EAEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585055;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=55989 / EAEC;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
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; CU928145; CAV00508.1; -; Genomic_DNA.
DR   RefSeq; WP_001149592.1; NC_011748.1.
DR   AlphaFoldDB; B7L6Y0; -.
DR   SMR; B7L6Y0; -.
DR   EnsemblBacteria; CAV00508; CAV00508; EC55989_4020.
DR   GeneID; 66672546; -.
DR   KEGG; eck:EC55989_4020; -.
DR   HOGENOM; CLU_037261_1_0_6; -.
DR   OMA; TLAMYEI; -.
DR   Proteomes; UP000000746; 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_1000200287"
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"
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