ID   FUCI_ECOLU              Reviewed;         591 AA.
AC   B7N736;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   27-MAR-2024, entry version 77.
DE   RecName: Full=L-fucose isomerase {ECO:0000255|HAMAP-Rule:MF_01254};
DE            EC=5.3.1.25 {ECO:0000255|HAMAP-Rule:MF_01254};
DE   AltName: Full=6-deoxy-L-galactose isomerase {ECO:0000255|HAMAP-Rule:MF_01254};
DE   AltName: Full=FucIase;
GN   Name=fucI {ECO:0000255|HAMAP-Rule:MF_01254};
GN   OrderedLocusNames=ECUMN_3131;
OS   Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585056;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UMN026 / ExPEC;
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   -!- FUNCTION: Converts the aldose L-fucose into the corresponding ketose L-
CC       fuculose. {ECO:0000255|HAMAP-Rule:MF_01254}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-fucose = L-fuculose; Xref=Rhea:RHEA:17233, ChEBI:CHEBI:2181,
CC         ChEBI:CHEBI:17617; EC=5.3.1.25; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01254};
CC   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01254};
CC   -!- PATHWAY: Carbohydrate degradation; L-fucose degradation; L-lactaldehyde
CC       and glycerone phosphate from L-fucose: step 1/3. {ECO:0000255|HAMAP-
CC       Rule:MF_01254}.
CC   -!- SUBUNIT: Homohexamer. {ECO:0000255|HAMAP-Rule:MF_01254}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01254}.
CC   -!- SIMILARITY: Belongs to the L-fucose isomerase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01254}.
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DR   EMBL; CU928163; CAR14297.1; -; Genomic_DNA.
DR   RefSeq; WP_000724167.1; NC_011751.1.
DR   RefSeq; YP_002413817.1; NC_011751.1.
DR   AlphaFoldDB; B7N736; -.
DR   SMR; B7N736; -.
DR   STRING; 585056.ECUMN_3131; -.
DR   KEGG; eum:ECUMN_3131; -.
DR   PATRIC; fig|585056.7.peg.3313; -.
DR   HOGENOM; CLU_033326_1_0_6; -.
DR   UniPathway; UPA00563; UER00624.
DR   Proteomes; UP000007097; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008736; F:L-fucose isomerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0042355; P:L-fucose catabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd03556; L-fucose_isomerase; 1.
DR   Gene3D; 3.40.50.1070; -; 1.
DR   Gene3D; 3.20.14.10; L-fucose/L-arabinose isomerase, C-terminal; 1.
DR   HAMAP; MF_01254; Fucose_iso; 1.
DR   InterPro; IPR004216; Fuc/Ara_isomerase_C.
DR   InterPro; IPR038393; Fuc_iso_dom3_sf.
DR   InterPro; IPR015888; Fuc_isomerase_C.
DR   InterPro; IPR038391; Fucose_iso_dom1_sf.
DR   InterPro; IPR012888; Fucose_iso_N1.
DR   InterPro; IPR005763; Fucose_isomerase.
DR   InterPro; IPR038392; Fucose_isomerase_dom2_sf.
DR   InterPro; IPR009015; Fucose_isomerase_N/cen_sf.
DR   InterPro; IPR012889; Fucose_isomerase_N2.
DR   NCBIfam; TIGR01089; fucI; 1.
DR   PANTHER; PTHR37840; L-FUCOSE ISOMERASE; 1.
DR   PANTHER; PTHR37840:SF1; L-FUCOSE ISOMERASE; 1.
DR   Pfam; PF02952; Fucose_iso_C; 1.
DR   Pfam; PF07881; Fucose_iso_N1; 1.
DR   Pfam; PF07882; Fucose_iso_N2; 1.
DR   SUPFAM; SSF50443; FucI/AraA C-terminal domain-like; 1.
DR   SUPFAM; SSF53743; FucI/AraA N-terminal and middle domains; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Cytoplasm; Fucose metabolism; Isomerase;
KW   Manganese; Metal-binding.
FT   CHAIN           1..591
FT                   /note="L-fucose isomerase"
FT                   /id="PRO_1000139953"
FT   ACT_SITE        337
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   ACT_SITE        361
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   BINDING         337
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   BINDING         361
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   BINDING         528
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
SQ   SEQUENCE   591 AA;  65007 MW;  A7215096AF3D9037 CRC64;
     MKKISLPKIG IRPVIDGRRM GVRESLEEQT MNMAKATAAL LTEKLRHACG AAVECVISDT
     CIAGMAEAAA CEEKFSSQNV GLTITVTPCW CYGSETIDMD PTRPKAIWGF NGTERPGAVY
     LAAALAAHSQ KGIPAFSIYG HDVQDADDTS IPADVEEKLL RFARAGLAVA SMKGKSYLSL
     GGVSMGIAGS IVDHNFFESW LGMKVQAVDM TELRRRIDQK IYDEAELEMA LAWADKNFRY
     GEDENNKQYQ RNAEQSRAVL RESLLMAMCI RDMMQGNSKL TDIGRVEESL GYNAIAAGFQ
     GQRHWTDQYP NGDTAEAILN SSFDWNGVRE PFVVATENDS LNGVAMLMGH QLTGTAQVFA
     DVRTYWSPEA IERVTGHKLD GLAEHGIIHL INSGSAALDG SCKQRDSEGN PTMKPHWEIS
     QQEADACLAA TEWCPAIHEY FRGGGYSSRF LTEGGVPFTM TRVNIIKGLG PVLQIAEGWS
     VELPKDVHDI LNKRTNSTWP TTWFAPRLTG KGPFTDVYSV MANWGANHGV LTIGHVGADF
     ITLASMLRIP VCMHNVEETK VYRPSAWAAH GMDIEGQDYR ACQNYGPLYK R
//