ID   XYLA_THENN              Reviewed;         444 AA.
AC   B9K7G3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   27-MAR-2024, entry version 75.
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=CTN_0720;
OS   Thermotoga neapolitana (strain ATCC 49049 / DSM 4359 / NBRC 107923 / NS-E).
OC   Bacteria; Thermotogota; Thermotogae; Thermotogales; Thermotogaceae;
OC   Thermotoga.
OX   NCBI_TaxID=309803;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49049 / DSM 4359 / NBRC 107923 / NS-E;
RA   Lim S.K., Kim J.S., Cha S.H., Park B.C., Lee D.S., Tae H.S., Kim S.-J.,
RA   Kim J.J., Park K.J., Lee S.Y.;
RT   "The genome sequence of the hyperthermophilic bacterium Thermotoga
RT   neapolitana.";
RL   Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases.
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; Evidence={ECO:0000255|HAMAP-
CC         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; CP000916; ACM22896.1; -; Genomic_DNA.
DR   RefSeq; WP_015919215.1; NC_011978.1.
DR   AlphaFoldDB; B9K7G3; -.
DR   SMR; B9K7G3; -.
DR   STRING; 309803.CTN_0720; -.
DR   KEGG; tna:CTN_0720; -.
DR   eggNOG; COG2115; Bacteria.
DR   HOGENOM; CLU_037261_1_0_0; -.
DR   Proteomes; UP000000445; 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   Gene3D; 3.20.20.150; Divalent-metal-dependent TIM barrel enzymes; 1.
DR   HAMAP; MF_00455; Xylose_isom_A; 1.
DR   InterPro; IPR036237; Xyl_isomerase-like_sf.
DR   InterPro; IPR013022; Xyl_isomerase-like_TIM-brl.
DR   InterPro; IPR013452; Xylose_isom_bac.
DR   InterPro; IPR001998; Xylose_isomerase.
DR   NCBIfam; TIGR02630; xylose_isom_A; 1.
DR   PANTHER; PTHR48320; -; 1.
DR   PANTHER; PTHR48320:SF1; XYLOSE ISOMERASE; 1.
DR   Pfam; PF01261; AP_endonuc_2; 1.
DR   PRINTS; PR00688; XYLOSISMRASE.
DR   SUPFAM; SSF51658; Xylose isomerase-like; 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..444
FT                   /note="Xylose isomerase"
FT                   /id="PRO_1000200313"
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   444 AA;  50893 MW;  21F606C4D5F68D0B CRC64;
     MAEFFPEIPK VQFEGKESTN PLAFKFYDPE EIIDGKPLKD HLKFSVAFWH TFVNEGRDPF
     GDPTADRPWN RYTDPMDKAF ARVDALFEFC EKLNIEYFCF HDRDIAPEGK TLRETNKILD
     KVVERIKERM KDSNVKLLWG TANLFSHPRY MHGAATTCSA DVFAYAAAQV KKALEITKEL
     GGEGYVFWGG REGYETLLNT DLGFELENLA RFLRMAVDYA KRIGFTGQFL IEPKPKEPTK
     HQYDFDVATA YAFLKSHGLD EYFKFNIEAN HATLAGHTFQ HELRMARILG KLGSIDANQG
     DLLLGWDTDQ FPTNVYDTTL AMYEVIKAGG FTKGGLNFDA KVRRASYKVE DLFIGHIAGM
     DTFALGFKVA YKLVKDGVLD KFIEEKYRSF REGIGRDIVE GKVDFEKLEE YIIDKETIEL
     PSGKQEYLES LINSYIVKTI LELR
//