ID   FUCI_SALPA              Reviewed;         591 AA.
AC   Q5PEK9;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   04-JAN-2005, sequence version 1.
DT   03-AUG-2022, entry version 90.
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}; OrderedLocusNames=SPA2840;
OS   Salmonella paratyphi A (strain ATCC 9150 / SARB42).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=295319;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 9150 / SARB42;
RX   PubMed=15531882; DOI=10.1038/ng1470;
RA   McClelland M., Sanderson K.E., Clifton S.W., Latreille P., Porwollik S.,
RA   Sabo A., Meyer R., Bieri T., Ozersky P., McLellan M., Harkins C.R.,
RA   Wang C., Nguyen C., Berghoff A., Elliott G., Kohlberg S., Strong C., Du F.,
RA   Carter J., Kremizki C., Layman D., Leonard S., Sun H., Fulton L., Nash W.,
RA   Miner T., Minx P., Delehaunty K., Fronick C., Magrini V., Nhan M.,
RA   Warren W., Florea L., Spieth J., Wilson R.K.;
RT   "Comparison of genome degradation in Paratyphi A and Typhi, human-
RT   restricted serovars of Salmonella enterica that cause typhoid.";
RL   Nat. Genet. 36:1268-1274(2004).
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;
CC         Evidence={ECO:0000255|HAMAP-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; CP000026; AAV78688.1; -; Genomic_DNA.
DR   RefSeq; WP_000724126.1; NC_006511.1.
DR   AlphaFoldDB; Q5PEK9; -.
DR   SMR; Q5PEK9; -.
DR   EnsemblBacteria; AAV78688; AAV78688; SPA2840.
DR   KEGG; spt:SPA2840; -.
DR   HOGENOM; CLU_033326_1_0_6; -.
DR   OMA; QDYRACA; -.
DR   UniPathway; UPA00563; UER00624.
DR   Proteomes; UP000008185; 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   Gene3D; 3.20.14.10; -; 1.
DR   Gene3D; 3.40.275.10; -; 1.
DR   Gene3D; 3.40.50.1070; -; 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   Pfam; PF02952; Fucose_iso_C; 1.
DR   Pfam; PF07881; Fucose_iso_N1; 1.
DR   Pfam; PF07882; Fucose_iso_N2; 1.
DR   SUPFAM; SSF50443; SSF50443; 1.
DR   SUPFAM; SSF53743; SSF53743; 1.
DR   TIGRFAMs; TIGR01089; fucI; 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_1000067224"
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;  64771 MW;  0A1C6439714D46AB CRC64;
     MKKISLPKIG IRPVIDGRRM GVRESLEEQT MNMAKATAAL ITEKIRHACG AQVECVIADT
     CIAGMAESAA CEEKFSSQNV GVTITVTPCW CYGSETIDMD PMRPKAIWGF NGTERPGAVY
     LAAALAAHSQ KGIPAFSIYG HDVQDADDTS IPADVEEKLL RFARAGLAVA SMKGKSYLSV
     GGVSMGIAGS IVDHNFFESW LGMKVQAVDM TELRRRIDQK IYDEAELEMA LAWADKNFRY
     GEDQNASQYK RNEAQNRAVL KESLLMAMCI RDMMQGNKTL ADKGLVEESL GYNAIAAGFQ
     GQRHWTDQYP NGDTAEALLN SSFDWNGVRE PFVVATENDS LNGVAMLFGH QLTGTAQIFA
     DVRTYWSPEA VERVTGQALS GLAEHGIIHL INSGSAALDG ACKQRDSEGK PTMKPHWEIS
     QQEADACLAA TEWCPAIHEY FRGGGYSSRF LTEGGVPFTM TRVNIIKGLG PVLQIAEGWS
     VELPKAMHDQ LDARTNSTWP TTWFAPRLTG KGPFTDVYSV MANWGANHGV LTIGHVGADF
     ITLAAMLRIP VCMHNVEEAK IYRPSAWAAH GMDIEGQDYR ACQNYGPLYK R