XYLA_ECOSM
ID XYLA_ECOSM Reviewed; 440 AA.
AC B1LJC7;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 03-AUG-2022, entry version 79.
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=EcSMS35_3888;
OS Escherichia coli (strain SMS-3-5 / SECEC).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=439855;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SMS-3-5 / SECEC;
RX PubMed=18708504; DOI=10.1128/jb.00661-08;
RA Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C.,
RA Ravel J., Stepanauskas R.;
RT "Insights into the environmental resistance gene pool from the genome
RT sequence of the multidrug-resistant environmental isolate Escherichia coli
RT SMS-3-5.";
RL J. Bacteriol. 190:6779-6794(2008).
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; CP000970; ACB17239.1; -; Genomic_DNA.
DR RefSeq; WP_001149592.1; NC_010498.1.
DR AlphaFoldDB; B1LJC7; -.
DR SMR; B1LJC7; -.
DR EnsemblBacteria; ACB17239; ACB17239; EcSMS35_3888.
DR GeneID; 66672546; -.
DR KEGG; ecm:EcSMS35_3888; -.
DR HOGENOM; CLU_037261_1_0_6; -.
DR OMA; TLAMYEI; -.
DR Proteomes; UP000007011; 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_1000200290"
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