ID   FUCI_STRP2              Reviewed;         588 AA.
AC   Q04I16;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   27-MAR-2024, entry version 100.
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=SPD_1986;
OS   Streptococcus pneumoniae serotype 2 (strain D39 / NCTC 7466).
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=373153;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=D39 / NCTC 7466;
RX   PubMed=17041037; DOI=10.1128/jb.01148-06;
RA   Lanie J.A., Ng W.-L., Kazmierczak K.M., Andrzejewski T.M., Davidsen T.M.,
RA   Wayne K.J., Tettelin H., Glass J.I., Winkler M.E.;
RT   "Genome sequence of Avery's virulent serotype 2 strain D39 of Streptococcus
RT   pneumoniae and comparison with that of unencapsulated laboratory strain
RT   R6.";
RL   J. Bacteriol. 189:38-51(2007).
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   -!- 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; CP000410; ABJ54752.1; -; Genomic_DNA.
DR   RefSeq; WP_000614258.1; NZ_JAMLJR010000007.1.
DR   AlphaFoldDB; Q04I16; -.
DR   SMR; Q04I16; -.
DR   PaxDb; 373153-SPD_1986; -.
DR   KEGG; spd:SPD_1986; -.
DR   eggNOG; COG2407; Bacteria.
DR   HOGENOM; CLU_033326_1_0_9; -.
DR   BioCyc; SPNE373153:G1G6V-2132-MONOMER; -.
DR   UniPathway; UPA00563; UER00624.
DR   Proteomes; UP000001452; 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..588
FT                   /note="L-fucose isomerase"
FT                   /id="PRO_1000067227"
FT   ACT_SITE        335
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   ACT_SITE        359
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   BINDING         335
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   BINDING         359
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
FT   BINDING         525
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01254"
SQ   SEQUENCE   588 AA;  65850 MW;  4C114F7C5D67D559 CRC64;
     MIQHPRIGIR PTIDGRRQGV RESLEVQTMN MAKSVADLIS STLKYPDGEP VECVISPSTI
     GRVPEAAASH ELFKKSNVCA TITVTPCWCY GSETMDMSPD IPHAIWGFNG TERPGAVYLA
     AVLASHAQKG IPAFGIYGRD VQEASDTAIP EDVKEKLLRY ARAALATGLM RDTAYLSMGS
     VSMGIGGSIV NPDFFQEYLG MRNESVDMTE FTRRMDRGIY DPEEFERALK WVKENVKEGF
     DHNREDLVLS REEKDRQWEF VIKMFMIGRD LMVGNPRLAE LGFEEEAVGH HALVAGFQGQ
     RQWTDHFPNG DFMETFLNTQ FDWNGIRKPF VFATENDSLN GVSMLFNYLL TNTPQIFADV
     RTYWSPEAVE RVTGYTLEGR AAAGFLHLIN SGSCTLDGTG QATRDGKPVM KPFWELDESE
     VQAMLENTDF PPANREYFRG GGFSTRFLTK GDMPVTMVRL NLLKGVGPVL QIAEGYTLEL
     PEDVHHTLDN RTDPGWPTTW FAPRLTGKGA FKSVYDVMNN WGANHGAITY GHIGADLITL
     ASMLRIPVNM HNVPEEDIFR PKNWSLFGTE DLESADYRAC QLLGPLHK
//