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Database: UniProt
Entry: Q6P328_XENTR
LinkDB: Q6P328_XENTR
Original site: Q6P328_XENTR 
ID   Q6P328_XENTR            Unreviewed;       332 AA.
AC   Q6P328;
DT   05-JUL-2004, integrated into UniProtKB/TrEMBL.
DT   05-JUL-2004, sequence version 1.
DT   24-JAN-2024, entry version 118.
DE   RecName: Full=glycogenin glucosyltransferase {ECO:0000256|ARBA:ARBA00038934};
DE            EC=2.4.1.186 {ECO:0000256|ARBA:ARBA00038934};
GN   Name=gyg1 {ECO:0000313|EMBL:AAH64206.1,
GN   ECO:0000313|RefSeq:NP_989270.1, ECO:0000313|Xenbase:XB-GENE-852729};
GN   Synonyms=gyg {ECO:0000313|EMBL:CAJ83036.1,
GN   ECO:0000313|RefSeq:NP_989270.1};
GN   ORFNames=TNeu114c01.1-001 {ECO:0000313|EMBL:CAJ83036.1};
OS   Xenopus tropicalis (Western clawed frog) (Silurana tropicalis).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Amphibia;
OC   Batrachia; Anura; Pipoidea; Pipidae; Xenopodinae; Xenopus; Silurana.
OX   NCBI_TaxID=8364 {ECO:0000313|EMBL:AAH64206.1};
RN   [1] {ECO:0000313|RefSeq:NP_989270.1}
RP   NUCLEOTIDE SEQUENCE.
RX   PubMed=12454917; DOI=10.1002/dvdy.10174;
RA   Klein S.L., Strausberg R.L., Wagner L., Pontius J., Clifton S.W.,
RA   Richardson P.;
RT   "Genetic and genomic tools for Xenopus research: The NIH Xenopus
RT   initiative.";
RL   Dev. Dyn. 225:384-391(2002).
RN   [2] {ECO:0000313|EMBL:AAH64206.1}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   TISSUE=Embryo {ECO:0000313|EMBL:AAH64206.1};
RG   NIH - Xenopus Gene Collection (XGC) project;
RL   Submitted (DEC-2003) to the EMBL/GenBank/DDBJ databases.
RN   [3] {ECO:0000313|EMBL:CAJ83036.1}
RP   NUCLEOTIDE SEQUENCE.
RA   Amaya E., Ashurst J.L., Bonfield J.K., Croning M.D.R., Chen C-K.,
RA   Davies R.M., Francis M.D., Garrett N., Gilchrist M.J., Grafham D.V.,
RA   McLaren S.R., Papalopulu N., Rogers J., Smith J.C., Taylor R.G., Voigt J.,
RA   Zorn A.M.;
RL   Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases.
RN   [4] {ECO:0000313|RefSeq:NP_989270.1}
RP   IDENTIFICATION.
RG   RefSeq;
RL   Submitted (SEP-2023) to UniProtKB.
CC   -!- FUNCTION: Self-glucosylates, via an inter-subunit mechanism, to form an
CC       oligosaccharide primer that serves as substrate for glycogen synthase.
CC       {ECO:0000256|ARBA:ARBA00037353}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-tyrosyl-[glycogenin] + UDP-alpha-D-glucose = alpha-D-
CC         glucosyl-L-tyrosyl-[glycogenin] + H(+) + UDP; Xref=Rhea:RHEA:23360,
CC         Rhea:RHEA-COMP:14604, Rhea:RHEA-COMP:14605, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:46858, ChEBI:CHEBI:58223, ChEBI:CHEBI:58885,
CC         ChEBI:CHEBI:140573; EC=2.4.1.186;
CC         Evidence={ECO:0000256|ARBA:ARBA00036942};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[1,4-alpha-D-glucosyl](n)-L-tyrosyl-[glycogenin] + UDP-alpha-
CC         D-glucose = [1,4-alpha-D-glucosyl](n+1)-L-tyrosyl-[glycogenin] + H(+)
CC         + UDP; Xref=Rhea:RHEA:56560, Rhea:RHEA-COMP:14606, Rhea:RHEA-
CC         COMP:14607, ChEBI:CHEBI:15378, ChEBI:CHEBI:58223, ChEBI:CHEBI:58885,
CC         ChEBI:CHEBI:140574; EC=2.4.1.186;
CC         Evidence={ECO:0000256|ARBA:ARBA00036127};
CC   -!- PATHWAY: Glycan biosynthesis; glycogen biosynthesis.
CC       {ECO:0000256|ARBA:ARBA00004964}.
CC   -!- SIMILARITY: Belongs to the glycosyltransferase 8 family. Glycogenin
CC       subfamily. {ECO:0000256|ARBA:ARBA00038162}.
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DR   EMBL; BC064206; AAH64206.1; -; mRNA.
DR   EMBL; CR760381; CAJ83036.1; -; mRNA.
DR   RefSeq; NP_989270.1; NM_203939.1.
DR   CAZy; GT8; Glycosyltransferase Family 8.
DR   DNASU; 394883; -.
DR   GeneID; 394883; -.
DR   KEGG; xtr:394883; -.
DR   CTD; 2992; -.
DR   Xenbase; XB-GENE-852729; gyg1.
DR   eggNOG; KOG1950; Eukaryota.
DR   HOGENOM; CLU_017171_0_0_1; -.
DR   OrthoDB; 306230at2759; -.
DR   TreeFam; TF312839; -.
DR   Proteomes; UP000008143; Chromosome 5.
DR   GO; GO:0016020; C:membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0008194; F:UDP-glycosyltransferase activity; IEA:UniProt.
DR   CDD; cd02537; GT8_Glycogenin; 1.
DR   InterPro; IPR002495; Glyco_trans_8.
DR   InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR   PANTHER; PTHR11183; GLYCOGENIN SUBFAMILY MEMBER; 1.
DR   PANTHER; PTHR11183:SF164; GLYCOGENIN-1; 1.
DR   Pfam; PF01501; Glyco_transf_8; 1.
DR   SUPFAM; SSF53448; Nucleotide-diphospho-sugar transferases; 1.
PE   2: Evidence at transcript level;
KW   Glycogen biosynthesis {ECO:0000256|ARBA:ARBA00023056};
KW   Glycoprotein {ECO:0000256|ARBA:ARBA00023180};
KW   Membrane {ECO:0000256|ARBA:ARBA00023136};
KW   Reference proteome {ECO:0000313|Proteomes:UP000008143};
KW   Signal-anchor {ECO:0000256|ARBA:ARBA00022968};
KW   Transmembrane {ECO:0000256|ARBA:ARBA00022968}.
FT   REGION          289..310
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   332 AA;  37379 MW;  51619F0C76E08A8E CRC64;
     MAADQAFVTL ATNDTYVKGA LVLGSSLRQH NTTNKLVVLI TPQVSDAMRK VLDKVYDDVR
     VVDVLDSGDS AHLALMKRPE LGVTLTKIHC WTLTEYSKCV FMDADTMVLC NIDELFEREE
     LSAAPDPGWP DCFNSGVFVF TPSFETYNDL LQLATQKGSF DGGDQGLLNT FFDTWATKDI
     NKHLPFVYNL SSVSLYSYLP AFKAFGANAK VVHFLGKVKP WNYTYDSKTK SVRSDVHDPS
     LIHPEFLNLW WDIYSTKIVS LLTQEGAVKE ATTALQVEEV KEAVVQMSIS HSHSPPSASS
     EERRERWEQG QVDYMGEDSY ENIKKKLDSY LQ
//
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