ID   SUS2_SOLTU              Reviewed;         805 AA.
AC   P49039;
DT   01-FEB-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1996, sequence version 1.
DT   25-MAY-2022, entry version 78.
DE   RecName: Full=Sucrose synthase;
DE            EC=2.4.1.13;
DE   AltName: Full=SS65;
DE   AltName: Full=Sucrose-UDP glucosyltransferase;
OS   Solanum tuberosum (Potato).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Solanaceae; Solanoideae; Solaneae; Solanum.
OX   NCBI_TaxID=4113;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=cv. FL1607; TISSUE=Leaf;
RX   PubMed=8589622; DOI=10.2307/3870128;
RA   Fu H., Park W.D.;
RT   "Sink- and vascular-associated sucrose synthase functions are encoded by
RT   different gene classes in potato.";
RL   Plant Cell 7:1369-1385(1995).
CC   -!- FUNCTION: Sucrose-cleaving enzyme that provides UDP-glucose and
CC       fructose for various metabolic pathways.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an NDP-alpha-D-glucose + D-fructose = a ribonucleoside 5'-
CC         diphosphate + H(+) + sucrose; Xref=Rhea:RHEA:16241,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17992, ChEBI:CHEBI:37721,
CC         ChEBI:CHEBI:57930, ChEBI:CHEBI:76533; EC=2.4.1.13;
CC   -!- SIMILARITY: Belongs to the glycosyltransferase 1 family. Plant sucrose
CC       synthase subfamily. {ECO:0000305}.
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DR   EMBL; U24088; AAA97572.1; -; Genomic_DNA.
DR   AlphaFoldDB; P49039; -.
DR   SMR; P49039; -.
DR   STRING; 4113.PGSC0003DMT400035262; -.
DR   CAZy; GT4; Glycosyltransferase Family 4.
DR   PRIDE; P49039; -.
DR   eggNOG; KOG0853; Eukaryota.
DR   Proteomes; UP000011115; Unassembled WGS sequence.
DR   ExpressionAtlas; P49039; baseline.
DR   GO; GO:0016157; F:sucrose synthase activity; IBA:GO_Central.
DR   GO; GO:0005985; P:sucrose metabolic process; IEA:InterPro.
DR   InterPro; IPR001296; Glyco_trans_1.
DR   InterPro; IPR000368; Sucrose_synth.
DR   InterPro; IPR012820; Sucrose_synthase_pln/cyn.
DR   PANTHER; PTHR45839; PTHR45839; 1.
DR   Pfam; PF00534; Glycos_transf_1; 1.
DR   Pfam; PF00862; Sucrose_synth; 1.
DR   TIGRFAMs; TIGR02470; sucr_synth; 1.
PE   3: Inferred from homology;
KW   Glycosyltransferase; Reference proteome; Transferase.
FT   CHAIN           1..805
FT                   /note="Sucrose synthase"
FT                   /id="PRO_0000204662"
FT   REGION          275..752
FT                   /note="GT-B glycosyltransferase"
FT                   /evidence="ECO:0000250|UniProtKB:P49040"
SQ   SEQUENCE   805 AA;  92578 MW;  6117D8D2E4DD35DE CRC64;
     MAERVLTRVH SLRERLDATL AAHRNEILLF LSRIESHGKG ILKPHQLLAE FESIHKEDKD
     KLNDHAFEEV LKSTQEAIVL PPWVALAIRL RPGVWEYVRV NVNALIVEEL TVPEFLQFKE
     ELVNGTSNDN FVLELDFEPF TASFPKPTLT KSIGNGVEFL NRHLSAKMFH DKESMTPLLE
     FLRVHHYKGK TMMLNDRIQN LYTLQKVLRK AEEYLTTLSP ETSYSAFEHK FQEIGLERGW
     GDTAERVLEM ICMLLDLLEA PDSCTLEKFL GRIPMVFNVV ILSPHGYFAQ ENVLGYPDTG
     GQVVYILDQV PALEREMLKR IKEQGLDIKP RILIVTRLLP DAVGTTCGQR LEKVFGTEHS
     HILRVPFRTE KGIVRKWISR FEVWPYMETF IEDVGKEITA ELQAKPDLII GNYSEGNLAA
     SLLAHKLGVT QCTIAHALEK TKYPDSDIYL NKFDEKYHFS AQFTADLIAM NHTDFIITST
     FQEIAGSKDT VGQYESHMAF TMPGLYRVVH GIDVFDPKFN IVSPGADVNL YFPYSEKEKR
     LTTFHPEIED LLFSDVENEE HLCVLKDRNK PIIFTMARLD RVKNLTGLVE WYAKNPRLRE
     LVNLVVVGGD RRKESKDLEE QAEMKKMYEL IKTHNLNGQF RWISSQMNRV RNGELYRYIA
     DTRGAFVQPA FYEAFGLTVV EAMSCGLPTF ATNQGGPAEI IVHGKSGFQI DPYHGEQAAD
     LLADFFEKCK VDPSHWEAIS EGGLKRIQEK YTWQIYSDRL LTLAAVYGFW KHVSKLDRLE
     IRRYLEMFYA LKFRKLAQLV PLAVE