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FUT3_HUMAN
ID   FUT3_HUMAN              Reviewed;         361 AA.
AC   P21217; B5U7U9; B5U7V0; Q32NE7; Q99448; Q99449;
DT   01-MAY-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1991, sequence version 1.
DT   03-AUG-2022, entry version 205.
DE   RecName: Full=3-galactosyl-N-acetylglucosaminide 4-alpha-L-fucosyltransferase FUT3 {ECO:0000305};
DE            EC=2.4.1.65 {ECO:0000269|PubMed:1977660, ECO:0000269|PubMed:7721776};
DE   AltName: Full=4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase;
DE            EC=2.4.1.152 {ECO:0000269|PubMed:29593094};
DE   AltName: Full=Alpha-3-fucosyltransferase FUT3 {ECO:0000305};
DE            EC=2.4.1.- {ECO:0000269|PubMed:1977660};
DE   AltName: Full=Blood group Lewis alpha-4-fucosyltransferase;
DE            Short=Lewis FT;
DE   AltName: Full=Fucosyltransferase 3;
DE   AltName: Full=Fucosyltransferase III;
DE            Short=FucT-III;
GN   Name=FUT3 {ECO:0000312|HGNC:HGNC:4014}; Synonyms=FT3B, LE;
OS   Homo sapiens (Human).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Homo.
OX   NCBI_TaxID=9606;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], CATALYTIC ACTIVITY, FUNCTION, AND TOPOLOGY.
RX   PubMed=1977660; DOI=10.1101/gad.4.8.1288;
RA   Kukowska-Latallo J.F., Larsen R.D., Nair R.P., Lowe J.B.;
RT   "A cloned human cDNA determines expression of a mouse stage-specific
RT   embryonic antigen and the Lewis blood group
RT   alpha(1,3/1,4)fucosyltransferase.";
RL   Genes Dev. 4:1288-1303(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Liver;
RX   PubMed=7650030; DOI=10.1074/jbc.270.34.20112;
RA   Cameron H.S., Szczepaniak D., Weston B.W.;
RT   "Expression of human chromosome 19p alpha(1,3)-fucosyltransferase genes in
RT   normal tissues. Alternative splicing, polyadenylation, and isoforms.";
RL   J. Biol. Chem. 270:20112-20122(1995).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Squamous cell carcinoma;
RA   Rahim I., Schmidt L.R., Wahl D., Drayson E., Maslanik W., Stranahan P.L.,
RA   Pettijohn D.E.;
RT   "Isolation and expression of human alpha (1,3/1,4) fucosyltransferase.";
RL   Submitted (FEB-1999) to the EMBL/GenBank/DDBJ databases.
RN   [4]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND VARIANTS LE(-) ARG-68 AND MET-105.
RC   TISSUE=Blood;
RA   Matzhold E.M.;
RT   "Allele frequencies of fucosyltransferases 1, 2, and 3 of Styrian blood
RT   donors.";
RL   Submitted (SEP-2008) to the EMBL/GenBank/DDBJ databases.
RN   [5]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], VARIANTS LE(-) ARG-20; ARG-68; MET-105;
RP   ASN-162; SER-170; ARG-223 AND MET-270, AND VARIANTS SER-5; CYS-160; MET-325
RP   AND GLN-327.
RG   SeattleSNPs variation discovery resource;
RL   Submitted (DEC-2004) to the EMBL/GenBank/DDBJ databases.
RN   [6]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND VARIANTS LE(-) ARG-68
RP   AND MET-105.
RX   PubMed=15057824; DOI=10.1038/nature02399;
RA   Grimwood J., Gordon L.A., Olsen A.S., Terry A., Schmutz J., Lamerdin J.E.,
RA   Hellsten U., Goodstein D., Couronne O., Tran-Gyamfi M., Aerts A.,
RA   Altherr M., Ashworth L., Bajorek E., Black S., Branscomb E., Caenepeel S.,
RA   Carrano A.V., Caoile C., Chan Y.M., Christensen M., Cleland C.A.,
RA   Copeland A., Dalin E., Dehal P., Denys M., Detter J.C., Escobar J.,
RA   Flowers D., Fotopulos D., Garcia C., Georgescu A.M., Glavina T., Gomez M.,
RA   Gonzales E., Groza M., Hammon N., Hawkins T., Haydu L., Ho I., Huang W.,
RA   Israni S., Jett J., Kadner K., Kimball H., Kobayashi A., Larionov V.,
RA   Leem S.-H., Lopez F., Lou Y., Lowry S., Malfatti S., Martinez D.,
RA   McCready P.M., Medina C., Morgan J., Nelson K., Nolan M., Ovcharenko I.,
RA   Pitluck S., Pollard M., Popkie A.P., Predki P., Quan G., Ramirez L.,
RA   Rash S., Retterer J., Rodriguez A., Rogers S., Salamov A., Salazar A.,
RA   She X., Smith D., Slezak T., Solovyev V., Thayer N., Tice H., Tsai M.,
RA   Ustaszewska A., Vo N., Wagner M., Wheeler J., Wu K., Xie G., Yang J.,
RA   Dubchak I., Furey T.S., DeJong P., Dickson M., Gordon D., Eichler E.E.,
RA   Pennacchio L.A., Richardson P., Stubbs L., Rokhsar D.S., Myers R.M.,
RA   Rubin E.M., Lucas S.M.;
RT   "The DNA sequence and biology of human chromosome 19.";
RL   Nature 428:529-535(2004).
RN   [7]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   TISSUE=Colon, and Lung;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [8]
RP   CATALYTIC ACTIVITY, FUNCTION, BIOPHYSICOCHEMICAL PROPERTIES, AND
RP   GLYCOSYLATION.
RX   PubMed=7721776; DOI=10.1074/jbc.270.15.8712;
RA   de Vries T., Srnka C.A., Palcic M.M., Swiedler S.J., van den Eijnden D.H.,
RA   Macher B.A.;
RT   "Acceptor specificity of different length constructs of human recombinant
RT   alpha 1,3/4-fucosyltransferases. Replacement of the stem region and the
RT   transmembrane domain of fucosyltransferase V by protein A results in an
RT   enzyme with GDP-fucose hydrolyzing activity.";
RL   J. Biol. Chem. 270:8712-8722(1995).
RN   [9]
RP   FUNCTION, AND CATALYTIC ACTIVITY.
RX   PubMed=11058871;
RX   DOI=10.1002/1097-0215(20001115)88:4<558::aid-ijc7>3.0.co;2-b;
RA   Aubert M., Panicot-Dubois L., Crotte C., Sbarra V., Lombardo D.,
RA   Sadoulet M.O., Mas E.;
RT   "Peritoneal colonization by human pancreatic cancer cells is inhibited by
RT   antisense FUT3 sequence.";
RL   Int. J. Cancer 88:558-565(2000).
RN   [10]
RP   CATALYTIC ACTIVITY, AND FUNCTION.
RX   PubMed=12668675; DOI=10.1074/jbc.m211034200;
RA   Tsuchida A., Okajima T., Furukawa K., Ando T., Ishida H., Yoshida A.,
RA   Nakamura Y., Kannagi R., Kiso M., Furukawa K.;
RT   "Synthesis of disialyl Lewis a (Le(a)) structure in colon cancer cell lines
RT   by a sialyltransferase, ST6GalNAc VI, responsible for the synthesis of
RT   alpha-series gangliosides.";
RL   J. Biol. Chem. 278:22787-22794(2003).
RN   [11]
RP   FUNCTION.
RX   PubMed=27453266;
RA   Cai Y.J., Zheng X.F., Lu C.H., Jiang Q., Liu Q., Xin Y.H.;
RT   "Effect of FUT3 gene silencing with miRNA on proliferation, invasion and
RT   migration abilities of human KATO-III gastric cancer cell line.";
RL   Cell. Mol. Biol. 62:15-20(2016).
RN   [12]
RP   FUNCTION, CATALYTIC ACTIVITY, AND PATHWAY.
RX   PubMed=29593094; DOI=10.1074/jbc.ra117.000775;
RA   Mondal N., Dykstra B., Lee J., Ashline D.J., Reinhold V.N., Rossi D.J.,
RA   Sackstein R.;
RT   "Distinct human alpha(1,3)-fucosyltransferases drive Lewis-X/sialyl Lewis-X
RT   assembly in human cells.";
RL   J. Biol. Chem. 293:7300-7314(2018).
RN   [13]
RP   VARIANT LE(-) MET-105.
RX   PubMed=8240322; DOI=10.1006/bbrc.1993.2280;
RA   Elmgren A., Rydberg L., Larson G.;
RT   "Genotypic heterogeneity among Lewis negative individuals.";
RL   Biochem. Biophys. Res. Commun. 196:515-520(1993).
RN   [14]
RP   VARIANTS LE(-) ARG-20; SER-170 AND ALA-336.
RX   PubMed=8240337; DOI=10.1006/bbrc.1993.2295;
RA   Nishihara S., Yazawa S., Iwasaki H., Nakazato M., Kudo T., Ando T.,
RA   Narimatsu H.;
RT   "Alpha (1,3/1,4)fucosyltransferase (FucT-III) gene is inactivated by a
RT   single amino acid substitution in Lewis histo-blood type negative
RT   individuals.";
RL   Biochem. Biophys. Res. Commun. 196:624-631(1993).
RN   [15]
RP   VARIANTS LE(-) ARG-20 AND SER-170.
RX   PubMed=8219240;
RA   Koda Y., Kimura H., Mekada E.;
RT   "Analysis of Lewis fucosyltransferase genes from the human gastric mucosa
RT   of Lewis-positive and -negative individuals.";
RL   Blood 82:2915-2919(1993).
RN   [16]
RP   VARIANTS LE(-) ARG-20 AND LYS-356.
RX   PubMed=8063716; DOI=10.1016/s0021-9258(17)31919-1;
RA   Mollicone R., Reguigne I., Kelly R.J., Fletcher A., Watt J., Chatfield S.,
RA   Aziz A., Cameron H.S., Weston B.W., Lowe J.B., Oriol R.;
RT   "Molecular basis for Lewis alpha(1,3/1,4)-fucosyltransferase gene
RT   deficiency (FUT3) found in Lewis-negative Indonesian pedigrees.";
RL   J. Biol. Chem. 269:20987-20994(1994).
RN   [17]
RP   VARIANT LE(-) LYS-356.
RX   PubMed=7961897; DOI=10.1016/s0021-9258(19)62041-7;
RA   Nishihara S., Narimatsu H., Iwasaki H., Yazawa S., Akamatsu S., Ando T.,
RA   Seno T., Narimatsu I.;
RT   "Molecular genetic analysis of the human Lewis histo-blood group system.";
RL   J. Biol. Chem. 269:29271-29278(1994).
RN   [18]
RP   VARIANTS LE(-) ARG-20; ARG-68; MET-105 AND LYS-356.
RX   PubMed=8801770; DOI=10.1111/j.1423-0410.1996.tb01300.x;
RA   Elmgren A., Boerjeson C., Svensson L., Rydberg L., Larson G.;
RT   "DNA sequencing and screening for point mutations in the human Lewis 'FUT3'
RT   gene enables molecular genotyping of the human Lewis blood group system.";
RL   Vox Sang. 70:97-103(1996).
RN   [19]
RP   VARIANTS LE(-) ARG-68 AND MET-105.
RX   PubMed=9268337; DOI=10.1074/jbc.272.35.21994;
RA   Elmgren A., Mollicone R., Costache M., Boerjeson C., Oriol R.,
RA   Harrington J., Larson G.;
RT   "Significance of individual point mutations, T202C and C314T, in the human
RT   Lewis 'FUT3' gene for expression of Lewis antigens by the human
RT   alpha'1,3/1,4'-fucosyltransferase, Fuc-TIII.";
RL   J. Biol. Chem. 272:21994-21998(1997).
RN   [20]
RP   VARIANTS LE(-) ASN-162; ARG-223 AND MET-270, AND CHARACTERIZATION OF
RP   VARIANTS LE(-) ASN-162; ARG-223 AND MET-270.
RX   PubMed=10211701; DOI=10.1023/a:1006981724233;
RA   Pang H., Koda Y., Soejima M., Kimura H.;
RT   "Significance of each of three missense mutations, G484A, G667A, and G808A,
RT   present in an inactive allele of the human Lewis gene (FUT3) for
RT   alpha(1,3/1,4)fucosyltransferase inactivation.";
RL   Glycoconj. J. 15:961-967(1998).
RN   [21]
RP   VARIANTS LE(+) LYS-102 AND ALA-124, AND VARIANTS LE(-) ASN-162; ARG-223 AND
RP   MET-270.
RX   PubMed=9703429; DOI=10.1007/s004390050760;
RA   Pang H., Liu Y., Koda Y., Soejima M., Jia J., Schlaphoff T., du Toit E.D.,
RA   Kimura H.;
RT   "Five novel missense mutations of the Lewis gene 'FUT3' in African 'Xhosa'
RT   and Caucasian populations in South Africa.";
RL   Hum. Genet. 102:675-680(1998).
CC   -!- FUNCTION: Catalyzes the transfer of L-fucose, from a guanosine
CC       diphosphate-beta-L-fucose, to both the subterminal N-acetyl glucosamine
CC       (GlcNAc) of type 1 chain (beta-D-Gal-(1->3)-beta-D-GlcNAc) glycolipids
CC       and oligosaccharides via an alpha(1,4) linkage, and the subterminal
CC       glucose (Glc) or GlcNAc of type 2 chain (beta-D-Gal-(1->4)-beta-D-
CC       GlcNAc) oligosaccharides via an alpha(1,3) linkage, independently of
CC       the presence of terminal alpha-L-fucosyl-(1,2) moieties on the terminal
CC       galactose of these acceptors and participates in the blood groups Lewis
CC       determination and expression of Lewis a (Le(a)), lewis b (Le(b)), Lewis
CC       x/SSEA-1 (Le(x)) and lewis y (Le(y)) antigens (PubMed:12668675,
CC       PubMed:1977660, PubMed:11058871). Also catalyzes the transfer of L-
CC       fucose to subterminal GlcNAc of sialyl- and disialyl-
CC       lactotetraosylceramide to produce sialyl Lewis a (sLe(a)) and disialyl
CC       Lewis a via an alpha(1,4) linkage and therefore may regulate cell
CC       surface sialyl Lewis a expression and consequently regulates adhesive
CC       properties to E-selectin, cell proliferation and migration
CC       (PubMed:12668675, PubMed:11058871, PubMed:27453266). Catalyzes the
CC       transfer of an L-fucose to 3'-sialyl-N-acetyllactosamine by an
CC       alpha(1,3) linkage, which allows the formation of sialyl-Lewis x
CC       structure and therefore may regulate the sialyl-Lewis x surface antigen
CC       expression and consequently adhesive properties to E-selectin
CC       (PubMed:11058871, PubMed:29593094). Prefers type 1 chain over type 2
CC       acceptors (PubMed:7721776). Type 1 tetrasaccharide is a better acceptor
CC       than type 1 disaccharide suggesting that a beta anomeric configuration
CC       of GlcNAc in the substrate is preferred (PubMed:7721776). Lewis-
CC       positive (Le(+)) individuals have an active enzyme while Lewis-negative
CC       (Le(-)) individuals have an inactive enzyme (PubMed:1977660).
CC       {ECO:0000269|PubMed:11058871, ECO:0000269|PubMed:12668675,
CC       ECO:0000269|PubMed:1977660, ECO:0000269|PubMed:27453266,
CC       ECO:0000269|PubMed:7721776}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl
CC         derivative + GDP-beta-L-fucose = a beta-D-galactosyl-(1->3)-[alpha-L-
CC         fucosyl-(1->4)]-N-acetyl-beta-D-glucosaminyl derivative + GDP + H(+);
CC         Xref=Rhea:RHEA:23628, ChEBI:CHEBI:15378, ChEBI:CHEBI:57273,
CC         ChEBI:CHEBI:58189, ChEBI:CHEBI:133506, ChEBI:CHEBI:140304;
CC         EC=2.4.1.65; Evidence={ECO:0000269|PubMed:1977660,
CC         ECO:0000269|PubMed:7721776};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:23629;
CC         Evidence={ECO:0000305|PubMed:1977660};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->4)-
CC         N-acetyl-beta-D-glucosaminyl derivative + GDP-beta-L-fucose = an
CC         alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-
CC         GlcNAc derivative + GDP + H(+); Xref=Rhea:RHEA:56076,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57273, ChEBI:CHEBI:58189,
CC         ChEBI:CHEBI:136545, ChEBI:CHEBI:139509;
CC         Evidence={ECO:0000269|PubMed:29593094};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:56077;
CC         Evidence={ECO:0000305|PubMed:29593094};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl
CC         derivative + GDP-beta-L-fucose = a beta-D-galactosyl-(1->4)-[alpha-L-
CC         fucosyl-(1->3)]-N-acetyl-beta-D-glucosaminyl derivative + GDP + H(+);
CC         Xref=Rhea:RHEA:14257, ChEBI:CHEBI:15378, ChEBI:CHEBI:57273,
CC         ChEBI:CHEBI:58189, ChEBI:CHEBI:133507, ChEBI:CHEBI:137941;
CC         EC=2.4.1.152; Evidence={ECO:0000269|PubMed:29593094};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:14258;
CC         Evidence={ECO:0000305|PubMed:29593094};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-
CC         beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc derivative +
CC         GDP-beta-L-fucose = an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-[alpha-
CC         L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-
CC         (1->3)]-beta-D-GlcNAc derivative + GDP + H(+); Xref=Rhea:RHEA:52864,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57273, ChEBI:CHEBI:58189,
CC         ChEBI:CHEBI:145342, ChEBI:CHEBI:145343;
CC         Evidence={ECO:0000269|PubMed:29593094};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:52865;
CC         Evidence={ECO:0000305|PubMed:29593094};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=GDP-beta-L-fucose + Lc4Cer = a lactoside III(4)-a-Fuc-Lc4Cer +
CC         GDP + H(+); Xref=Rhea:RHEA:48824, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57273, ChEBI:CHEBI:58189, ChEBI:CHEBI:90800,
CC         ChEBI:CHEBI:90811; Evidence={ECO:0000269|PubMed:7721776};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:48825;
CC         Evidence={ECO:0000305|PubMed:7721776};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-
CC         beta-D-Glc-(1<->1')-Cer(d18:1(4E)) + GDP-beta-L-fucose = GDP + H(+) +
CC         III(4)-a-Fuc-Lc4Cer(d18:1(4E)); Xref=Rhea:RHEA:48328,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17292, ChEBI:CHEBI:57273,
CC         ChEBI:CHEBI:58189, ChEBI:CHEBI:90292;
CC         Evidence={ECO:0000269|PubMed:7721776};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:48329;
CC         Evidence={ECO:0000305|PubMed:7721776};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=GDP-beta-L-fucose + N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-
CC         galactosyl-(1->3)-[N-acetyl-alpha-neuraminosyl-(2->6)]-N-acetyl-beta-
CC         D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-
CC         (1<->1')-N-acyl-sphing-4-enine = GDP + H(+) + N-acetyl-alpha-
CC         neuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-alpha-L-fucosyl-(1->4)-
CC         [N-acetyl-alpha-neuraminosyl-(2->6)-N-acetyl-beta-D-glucosaminyl-
CC         (1->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acyl-
CC         sphing-4-enine; Xref=Rhea:RHEA:47892, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57273, ChEBI:CHEBI:58189, ChEBI:CHEBI:88079,
CC         ChEBI:CHEBI:88089; Evidence={ECO:0000269|PubMed:12668675};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:47893;
CC         Evidence={ECO:0000305|PubMed:12668675};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=GDP-beta-L-fucose + N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-
CC         galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-
CC         galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acyl-sphing-4-enine =
CC         GDP + H(+) + N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-
CC         (1->3)-alpha-L-fucosyl-(1->4)-[N-acetyl-beta-D-glucosaminyl-(1->3)]-
CC         beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acyl-sphing-4-
CC         enine; Xref=Rhea:RHEA:47888, ChEBI:CHEBI:15378, ChEBI:CHEBI:57273,
CC         ChEBI:CHEBI:58189, ChEBI:CHEBI:88073, ChEBI:CHEBI:88088;
CC         Evidence={ECO:0000269|PubMed:12668675};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:47889;
CC         Evidence={ECO:0000305|PubMed:12668675};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=beta-D-galactosyl-(1->3)-N-acetyl-D-glucosamine + GDP-beta-L-
CC         fucose = beta-D-galactosyl-(1->3)-[alpha-L-fucosyl-(1->4)]-N-acetyl-
CC         D-glucosamine + GDP + H(+); Xref=Rhea:RHEA:62844, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:27707, ChEBI:CHEBI:57273, ChEBI:CHEBI:58189,
CC         ChEBI:CHEBI:62265; Evidence={ECO:0000269|PubMed:1977660,
CC         ECO:0000269|PubMed:7721776};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:62845;
CC         Evidence={ECO:0000305|PubMed:7721776};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-D-GlcNAc + GDP-beta-L-
CC         fucose = alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-D-
CC         GlcNAc + GDP + H(+); Xref=Rhea:RHEA:62896, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57273, ChEBI:CHEBI:58189, ChEBI:CHEBI:59440,
CC         ChEBI:CHEBI:62259; Evidence={ECO:0000269|PubMed:1977660};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:62897;
CC         Evidence={ECO:0000305|PubMed:1977660};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-D-GlcNAc + GDP-beta-L-
CC         fucose = alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-D-
CC         GlcNAc + GDP + H(+); Xref=Rhea:RHEA:62900, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57273, ChEBI:CHEBI:58189, ChEBI:CHEBI:62263,
CC         ChEBI:CHEBI:62507; Evidence={ECO:0000269|PubMed:1977660};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:62901;
CC         Evidence={ECO:0000305|PubMed:1977660};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=beta-D-galactosyl-(1->4)-N-acetyl-D-glucosamine + GDP-beta-L-
CC         fucose = beta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-N-acetyl-
CC         D-glucosamine + GDP + H(+); Xref=Rhea:RHEA:62824, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57273, ChEBI:CHEBI:58189, ChEBI:CHEBI:60152,
CC         ChEBI:CHEBI:62287; Evidence={ECO:0000269|PubMed:1977660};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:62825;
CC         Evidence={ECO:0000305|PubMed:1977660};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=GDP-beta-L-fucose + lactose = beta-D-galactosyl-(1->4)-[alpha-
CC         L-fucosyl-(1->3)]-D-glucose + GDP + H(+); Xref=Rhea:RHEA:62888,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17716, ChEBI:CHEBI:57273,
CC         ChEBI:CHEBI:58189, ChEBI:CHEBI:90065;
CC         Evidence={ECO:0000269|PubMed:1977660};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:62889;
CC         Evidence={ECO:0000305|PubMed:1977660};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-D-GlcNAc derivative +
CC         GDP-beta-L-fucose = an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-
CC         L-Fuc-(1->4)]-beta-D-GlcNAc derivative + GDP + H(+);
CC         Xref=Rhea:RHEA:62904, ChEBI:CHEBI:15378, ChEBI:CHEBI:57273,
CC         ChEBI:CHEBI:58189, ChEBI:CHEBI:146021, ChEBI:CHEBI:146022;
CC         Evidence={ECO:0000269|PubMed:11058871};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:62905;
CC         Evidence={ECO:0000305|PubMed:11058871};
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Kinetic parameters:
CC         KM=1 mM for beta-D-Gal-(1->3)-beta-D-GlcNAc-O-CH(2)(8)-COOCH(3)
CC         {ECO:0000269|PubMed:7721776};
CC         KM=0.10 mM for fucalpha1->2Galbeta1->3GlcNAcbeta-O-CH(2)(8)-COOCH(3)
CC         {ECO:0000269|PubMed:7721776};
CC         KM=0.58 mM for NeuAca2->3GAlb1->3GlcNAcB-O-CH(2)(8)-COOCH(3)
CC         {ECO:0000269|PubMed:7721776};
CC   -!- PATHWAY: Protein modification; protein glycosylation.
CC       {ECO:0000269|PubMed:1977660, ECO:0000269|PubMed:29593094}.
CC   -!- INTERACTION:
CC       P21217; P58499: FAM3B; NbExp=3; IntAct=EBI-12839380, EBI-12955347;
CC       P21217; Q96IW7: SEC22A; NbExp=3; IntAct=EBI-12839380, EBI-8652744;
CC       P21217; Q96JW4: SLC41A2; NbExp=3; IntAct=EBI-12839380, EBI-10290130;
CC       P21217; Q5BVD1: TTMP; NbExp=3; IntAct=EBI-12839380, EBI-10243654;
CC       P21217; A5PKU2: TUSC5; NbExp=3; IntAct=EBI-12839380, EBI-11988865;
CC   -!- SUBCELLULAR LOCATION: Golgi apparatus, Golgi stack membrane; Single-
CC       pass type II membrane protein {ECO:0000269|PubMed:1977660}.
CC       Note=Membrane-bound form in trans cisternae of Golgi.
CC   -!- TISSUE SPECIFICITY: Highly expressed in stomach, colon, small
CC       intestine, lung and kidney and to a lesser extent in salivary gland,
CC       bladder, uterus and liver.
CC   -!- PTM: Glycosylated. {ECO:0000269|PubMed:7721776}.
CC   -!- SIMILARITY: Belongs to the glycosyltransferase 10 family.
CC       {ECO:0000305}.
CC   -!- WEB RESOURCE: Name=dbRBC/BGMUT; Note=Blood group antigen gene mutation
CC       database;
CC       URL="https://www.ncbi.nlm.nih.gov/gv/mhc/xslcgi.cgi?cmd=bgmut/systems_info&system=lewis";
CC   -!- WEB RESOURCE: Name=SeattleSNPs;
CC       URL="http://pga.gs.washington.edu/data/fut3/";
CC   -!- WEB RESOURCE: Name=Functional Glycomics Gateway - GTase;
CC       Note=Fucosyltransferase 3;
CC       URL="http://www.functionalglycomics.org/glycomics/molecule/jsp/glycoEnzyme/viewGlycoEnzyme.jsp?gbpId=gt_hum_600";
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DR   EMBL; X53578; CAA37641.1; -; mRNA.
DR   EMBL; U27326; AAC50185.1; -; mRNA.
DR   EMBL; U27327; AAC50186.1; -; mRNA.
DR   EMBL; U27328; AAC50187.1; -; mRNA.
DR   EMBL; D89324; BAA13941.1; -; Genomic_DNA.
DR   EMBL; D89325; BAA13942.1; -; Genomic_DNA.
DR   EMBL; AF131913; AAD33514.1; -; mRNA.
DR   EMBL; FM210024; CAR64692.1; -; Genomic_DNA.
DR   EMBL; FM210025; CAR64693.1; -; Genomic_DNA.
DR   EMBL; AY870341; AAW34365.1; -; Genomic_DNA.
DR   EMBL; AC024592; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; BC074836; AAH74836.1; -; mRNA.
DR   EMBL; BC074837; AAH74837.1; -; mRNA.
DR   EMBL; BC108675; AAI08676.1; -; mRNA.
DR   CCDS; CCDS12153.1; -.
DR   PIR; A36669; A36669.
DR   RefSeq; NP_000140.1; NM_000149.3.
DR   RefSeq; NP_001091108.1; NM_001097639.1.
DR   RefSeq; NP_001091109.1; NM_001097640.1.
DR   RefSeq; NP_001091110.1; NM_001097641.1.
DR   RefSeq; XP_011526167.1; XM_011527865.1.
DR   RefSeq; XP_011526168.1; XM_011527866.1.
DR   RefSeq; XP_011526169.1; XM_011527867.1.
DR   AlphaFoldDB; P21217; -.
DR   BioGRID; 108801; 96.
DR   IntAct; P21217; 21.
DR   STRING; 9606.ENSP00000305603; -.
DR   ChEMBL; CHEMBL3269; -.
DR   SwissLipids; SLP:000001370; -.
DR   CAZy; GT10; Glycosyltransferase Family 10.
DR   GlyGen; P21217; 2 sites.
DR   iPTMnet; P21217; -.
DR   PhosphoSitePlus; P21217; -.
DR   BioMuta; FUT3; -.
DR   DMDM; 121137; -.
DR   EPD; P21217; -.
DR   jPOST; P21217; -.
DR   MassIVE; P21217; -.
DR   MaxQB; P21217; -.
DR   PaxDb; P21217; -.
DR   PeptideAtlas; P21217; -.
DR   PRIDE; P21217; -.
DR   ProteomicsDB; 53853; -.
DR   Antibodypedia; 11767; 524 antibodies from 35 providers.
DR   DNASU; 2525; -.
DR   Ensembl; ENST00000303225.11; ENSP00000305603.5; ENSG00000171124.14.
DR   Ensembl; ENST00000458379.7; ENSP00000416443.1; ENSG00000171124.14.
DR   Ensembl; ENST00000589620.6; ENSP00000465804.1; ENSG00000171124.14.
DR   Ensembl; ENST00000589918.5; ENSP00000468123.1; ENSG00000171124.14.
DR   GeneID; 2525; -.
DR   KEGG; hsa:2525; -.
DR   UCSC; uc002mdj.3; human.
DR   CTD; 2525; -.
DR   DisGeNET; 2525; -.
DR   GeneCards; FUT3; -.
DR   HGNC; HGNC:4014; FUT3.
DR   HPA; ENSG00000171124; Tissue enhanced (esophagus, intestine, retina, salivary gland).
DR   MalaCards; FUT3; -.
DR   MIM; 111100; gene+phenotype.
DR   neXtProt; NX_P21217; -.
DR   PharmGKB; PA28430; -.
DR   VEuPathDB; HostDB:ENSG00000171124; -.
DR   eggNOG; KOG2619; Eukaryota.
DR   HOGENOM; CLU_032075_4_1_1; -.
DR   InParanoid; P21217; -.
DR   OrthoDB; 551308at2759; -.
DR   PhylomeDB; P21217; -.
DR   TreeFam; TF316348; -.
DR   BioCyc; MetaCyc:HS10249-MON; -.
DR   BRENDA; 2.4.1.65; 2681.
DR   PathwayCommons; P21217; -.
DR   Reactome; R-HSA-9037629; Lewis blood group biosynthesis.
DR   Reactome; R-HSA-975578; Reactions specific to the complex N-glycan synthesis pathway.
DR   SignaLink; P21217; -.
DR   SIGNOR; P21217; -.
DR   UniPathway; UPA00378; -.
DR   BioGRID-ORCS; 2525; 4 hits in 1059 CRISPR screens.
DR   ChiTaRS; FUT3; human.
DR   GeneWiki; Fucosyltransferase_3; -.
DR   GenomeRNAi; 2525; -.
DR   Pharos; P21217; Tbio.
DR   PRO; PR:P21217; -.
DR   Proteomes; UP000005640; Chromosome 19.
DR   RNAct; P21217; protein.
DR   Bgee; ENSG00000171124; Expressed in lower esophagus mucosa and 147 other tissues.
DR   ExpressionAtlas; P21217; baseline and differential.
DR   Genevisible; P21217; HS.
DR   GO; GO:0070062; C:extracellular exosome; HDA:UniProtKB.
DR   GO; GO:0032580; C:Golgi cisterna membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0000139; C:Golgi membrane; TAS:Reactome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0016020; C:membrane; IDA:BHF-UCL.
DR   GO; GO:0017060; F:3-galactosyl-N-acetylglucosaminide 4-alpha-L-fucosyltransferase activity; IDA:UniProtKB.
DR   GO; GO:0017083; F:4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase activity; IDA:UniProtKB.
DR   GO; GO:0046920; F:alpha-(1->3)-fucosyltransferase activity; IDA:BHF-UCL.
DR   GO; GO:0008417; F:fucosyltransferase activity; IDA:BHF-UCL.
DR   GO; GO:0009988; P:cell-cell recognition; IC:BHF-UCL.
DR   GO; GO:0006672; P:ceramide metabolic process; IDA:BHF-UCL.
DR   GO; GO:0036065; P:fucosylation; IDA:UniProtKB.
DR   GO; GO:0043413; P:macromolecule glycosylation; IDA:BHF-UCL.
DR   GO; GO:0009312; P:oligosaccharide biosynthetic process; IDA:BHF-UCL.
DR   GO; GO:0009311; P:oligosaccharide metabolic process; IDA:UniProtKB.
DR   GO; GO:0022409; P:positive regulation of cell-cell adhesion; IMP:UniProtKB.
DR   GO; GO:0006487; P:protein N-linked glycosylation; IDA:UniProtKB.
DR   GO; GO:0006493; P:protein O-linked glycosylation; IDA:UniProtKB.
DR   GO; GO:0030334; P:regulation of cell migration; IMP:UniProtKB.
DR   GO; GO:0042127; P:regulation of cell population proliferation; IMP:UniProtKB.
DR   Gene3D; 3.40.50.11660; -; 1.
DR   InterPro; IPR031481; Glyco_tran_10_N.
DR   InterPro; IPR001503; Glyco_trans_10.
DR   InterPro; IPR038577; GT10-like_C_sf.
DR   PANTHER; PTHR11929; PTHR11929; 1.
DR   Pfam; PF17039; Glyco_tran_10_N; 1.
DR   Pfam; PF00852; Glyco_transf_10; 1.
PE   1: Evidence at protein level;
KW   Blood group antigen; Glycoprotein; Glycosyltransferase; Golgi apparatus;
KW   Lipid metabolism; Membrane; Reference proteome; Signal-anchor; Transferase;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..361
FT                   /note="3-galactosyl-N-acetylglucosaminide 4-alpha-L-
FT                   fucosyltransferase FUT3"
FT                   /id="PRO_0000221096"
FT   TOPO_DOM        1..15
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        16..34
FT                   /note="Helical; Signal-anchor for type II membrane protein"
FT                   /evidence="ECO:0000255, ECO:0000269|PubMed:1977660"
FT   TOPO_DOM        35..361
FT                   /note="Lumenal"
FT                   /evidence="ECO:0000255"
FT   REGION          39..58
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        44..58
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   CARBOHYD        154
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000305"
FT   CARBOHYD        185
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000305"
FT   VARIANT         5
FT                   /note="G -> S (in dbSNP:rs28362458)"
FT                   /evidence="ECO:0000269|Ref.5"
FT                   /id="VAR_022200"
FT   VARIANT         20
FT                   /note="L -> R (in Le(-); dbSNP:rs28362459)"
FT                   /evidence="ECO:0000269|PubMed:8063716,
FT                   ECO:0000269|PubMed:8219240, ECO:0000269|PubMed:8240337,
FT                   ECO:0000269|PubMed:8801770, ECO:0000269|Ref.5"
FT                   /id="VAR_003426"
FT   VARIANT         68
FT                   /note="W -> R (in Le(-); dbSNP:rs812936)"
FT                   /evidence="ECO:0000269|PubMed:15057824,
FT                   ECO:0000269|PubMed:8801770, ECO:0000269|PubMed:9268337,
FT                   ECO:0000269|Ref.4, ECO:0000269|Ref.5"
FT                   /id="VAR_007959"
FT   VARIANT         102
FT                   /note="Q -> K (in Le(+); dbSNP:rs59796499)"
FT                   /evidence="ECO:0000269|PubMed:9703429"
FT                   /id="VAR_007960"
FT   VARIANT         105
FT                   /note="T -> M (in Le(-); dbSNP:rs778986)"
FT                   /evidence="ECO:0000269|PubMed:15057824,
FT                   ECO:0000269|PubMed:8240322, ECO:0000269|PubMed:8801770,
FT                   ECO:0000269|PubMed:9268337, ECO:0000269|Ref.4,
FT                   ECO:0000269|Ref.5"
FT                   /id="VAR_003427"
FT   VARIANT         124
FT                   /note="S -> A (in Le(+); dbSNP:rs1175404919)"
FT                   /evidence="ECO:0000269|PubMed:9703429"
FT                   /id="VAR_007961"
FT   VARIANT         160
FT                   /note="R -> C (in dbSNP:rs28362462)"
FT                   /evidence="ECO:0000269|Ref.5"
FT                   /id="VAR_022201"
FT   VARIANT         162
FT                   /note="D -> N (in Le(-); about 20% of alpha (1,3/
FT                   1,4)fucosyltransferase activity; dbSNP:rs28362463)"
FT                   /evidence="ECO:0000269|PubMed:10211701,
FT                   ECO:0000269|PubMed:9703429, ECO:0000269|Ref.5"
FT                   /id="VAR_007962"
FT   VARIANT         170
FT                   /note="G -> S (in Le(-); completely inactive;
FT                   dbSNP:rs3745635)"
FT                   /evidence="ECO:0000269|PubMed:8219240,
FT                   ECO:0000269|PubMed:8240337, ECO:0000269|Ref.5"
FT                   /id="VAR_003428"
FT   VARIANT         223
FT                   /note="G -> R (in Le(-); Loss of alpha (1,3/
FT                   1,4)fucosyltransferase activity.; dbSNP:rs28362466)"
FT                   /evidence="ECO:0000269|PubMed:10211701,
FT                   ECO:0000269|PubMed:9703429, ECO:0000269|Ref.5"
FT                   /id="VAR_007963"
FT   VARIANT         270
FT                   /note="V -> M (in Le(-); Loss of alpha (1,3/
FT                   1,4)fucosyltransferase activity.; dbSNP:rs28381968)"
FT                   /evidence="ECO:0000269|PubMed:10211701,
FT                   ECO:0000269|PubMed:9703429, ECO:0000269|Ref.5"
FT                   /id="VAR_007964"
FT   VARIANT         325
FT                   /note="T -> M (in dbSNP:rs28381969)"
FT                   /evidence="ECO:0000269|Ref.5"
FT                   /id="VAR_022202"
FT   VARIANT         327
FT                   /note="R -> Q (in dbSNP:rs28381970)"
FT                   /evidence="ECO:0000269|Ref.5"
FT                   /id="VAR_022203"
FT   VARIANT         336
FT                   /note="D -> A (in Le(-); dbSNP:rs151218854)"
FT                   /evidence="ECO:0000269|PubMed:8240337"
FT                   /id="VAR_003429"
FT   VARIANT         356
FT                   /note="I -> K (in Le(-); less than 10% reduction in
FT                   activity; dbSNP:rs3894326)"
FT                   /evidence="ECO:0000269|PubMed:7961897,
FT                   ECO:0000269|PubMed:8063716, ECO:0000269|PubMed:8801770"
FT                   /id="VAR_003430"
SQ   SEQUENCE   361 AA;  42117 MW;  BF4398044F19C284 CRC64;
     MDPLGAAKPQ WPWRRCLAAL LFQLLVAVCF FSYLRVSRDD ATGSPRAPSG SSRQDTTPTR
     PTLLILLWTW PFHIPVALSR CSEMVPGTAD CHITADRKVY PQADTVIVHH WDIMSNPKSR
     LPPSPRPQGQ RWIWFNLEPP PNCQHLEALD RYFNLTMSYR SDSDIFTPYG WLEPWSGQPA
     HPPLNLSAKT ELVAWAVSNW KPDSARVRYY QSLQAHLKVD VYGRSHKPLP KGTMMETLSR
     YKFYLAFENS LHPDYITEKL WRNALEAWAV PVVLGPSRSN YERFLPPDAF IHVDDFQSPK
     DLARYLQELD KDHARYLSYF RWRETLRPRS FSWALDFCKA CWKLQQESRY QTVRSIAAWF
     T
 
 
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