ID   XYLA_STRTM              Reviewed;         388 AA.
AC   Q9L558;
DT   26-SEP-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 83.
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};
OS   Streptomyces thermocyaneoviolaceus.
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces.
OX   NCBI_TaxID=106355;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=KCCM 40049;
RA   Kwak Y.-Y., Heo G.-Y., Shin J.-H., Jang H.-S., Joo G.-J., Rhee I.-K.;
RT   "Streptomyces thermocyaneoviolaceus xylA (xylose isomerase).";
RL   Submitted (APR-2000) 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;
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; AF257177; AAF68977.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9L558; -.
DR   SMR; Q9L558; -.
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; IPR013022; Xyl_isomerase-like_TIM-brl.
DR   InterPro; IPR013453; XylA_actinobac.
DR   InterPro; IPR001998; Xylose_isomerase.
DR   Pfam; PF01261; AP_endonuc_2; 1.
DR   PRINTS; PR00688; XYLOSISMRASE.
DR   SUPFAM; SSF51658; SSF51658; 1.
DR   TIGRFAMs; TIGR02631; xylA_Arthro; 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..388
FT                   /note="Xylose isomerase"
FT                   /id="PRO_0000195807"
FT   ACT_SITE        54
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   ACT_SITE        57
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         181
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         217
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         217
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         220
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         245
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         255
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         257
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
FT   BINDING         287
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00455"
SQ   SEQUENCE   388 AA;  42932 MW;  310D1FFCA531F886 CRC64;
     MNYQPTPEDR FTFGLWTVGW QGRDPFGDAT RPALDPVEAV QRLAELGAYG VTFHDDDLIP
     FGSSDAEREA HVKRFRQALD ATGMTVPMAT TNLFTHPVFK DGAFTANDRD VRRYALRKTI
     RNIDLAVELG AKVYVAWGGR EGAESGAAKD VRAALDRMKE AFDLLGEYVT SQGYDIRFAI
     EPKPNEPRGD ILLPTIGHAL AFIERLERPE LYGVNPEVGH EQMAGLNFPH GIAQALWAGK
     LFHIDLNGQS GIKYDQDLRF GAGDLRAAFW LVDLLESAGW EGPRHFDFKP PRTEDIDGVW
     ASAAGCMRNY LILKERAAAF RADPEVQEAL RAARLDQLAE PTAADGLQAL LADRTAYEDF
     DVDAAAARGM AFERLDQLAM DHLLGARG