ID   FUCI_ECO45              Reviewed;         591 AA.
AC   B7MLC3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   27-MAR-2024, entry version 80.
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=ECS88_3071;
OS   Escherichia coli O45:K1 (strain S88 / ExPEC).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585035;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=S88 / 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; CU928161; CAR04312.1; -; Genomic_DNA.
DR   RefSeq; WP_000724161.1; NC_011742.1.
DR   AlphaFoldDB; B7MLC3; -.
DR   SMR; B7MLC3; -.
DR   KEGG; ecz:ECS88_3071; -.
DR   HOGENOM; CLU_033326_1_0_6; -.
DR   UniPathway; UPA00563; UER00624.
DR   Proteomes; UP000000747; 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; Reference proteome.
FT   CHAIN           1..591
FT                   /note="L-fucose isomerase"
FT                   /id="PRO_1000139948"
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;  64990 MW;  E1519E4EDA35128E 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 ADIGRVEESL GYNAIAAGFQ
     GQRHWTDQYP NGDTAEAILN SSFDWNGVRK PFVVATENDS LNGVAMLMGH QLTGTAQVFA
     DVRTYWSPEA IERVTGHKLD GLAEHGIIHL INSGSAALDG SCKQRDSEGK PTMKPHWEIS
     QQEADACLAA TEWCPAIHEY FRGGGYSSRF LTEGGVPFTM TRVNIIKGLG PVLQIAEGWS
     VELPKDVHDI LNKRTNSTWP TTWFAPRLTG KGPFTDVYSV MANWGANHGV LTIGHVGADF
     ITLASMLRIP VCMHNVEETK VYRPSAWAAH GMDIEGQDYR ACQNYGPLYK R
//