ID A0A1J6I8F8_NICAT Unreviewed; 1054 AA.
AC A0A1J6I8F8;
DT 15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT 15-FEB-2017, sequence version 1.
DT 24-JAN-2024, entry version 33.
DE RecName: Full=Sucrose-phosphate synthase {ECO:0000256|ARBA:ARBA00012536, ECO:0000256|RuleBase:RU368006};
DE EC=2.4.1.14 {ECO:0000256|ARBA:ARBA00012536, ECO:0000256|RuleBase:RU368006};
GN Name=SPS {ECO:0000313|EMBL:OIS96831.1};
GN ORFNames=A4A49_27050 {ECO:0000313|EMBL:OIS96831.1};
OS Nicotiana attenuata (Coyote tobacco).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC Nicotiana.
OX NCBI_TaxID=49451 {ECO:0000313|EMBL:OIS96831.1, ECO:0000313|Proteomes:UP000187609};
RN [1] {ECO:0000313|EMBL:OIS96831.1, ECO:0000313|Proteomes:UP000187609}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. UT {ECO:0000313|Proteomes:UP000187609};
RC TISSUE=Leaves {ECO:0000313|EMBL:OIS96831.1};
RA Xu S., Brockmoeller T., Gaquerel E., Navarro A., Kuhl H., Gase K., Ling Z.,
RA Zhou W., Kreitzer C., Stanke M., Tang H., Lyons E., Pandey P., Pandey S.P.,
RA Timmermann B., Baldwin I.T.;
RT "The genome of Nicotiana attenuata.";
RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Plays a role in photosynthetic sucrose synthesis by
CC catalyzing the rate-limiting step of sucrose biosynthesis from UDP-
CC glucose and fructose- 6-phosphate. Involved in the regulation of carbon
CC partitioning in the leaves of plants. May regulate the synthesis of
CC sucrose and therefore play a major role as a limiting factor in the
CC export of photoassimilates out of the leaf. Plays a role for sucrose
CC availability that is essential for plant growth and fiber elongation.
CC {ECO:0000256|RuleBase:RU368006}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-fructose 6-phosphate + UDP-alpha-D-glucose = H(+) +
CC sucrose 6(F)-phosphate + UDP; Xref=Rhea:RHEA:22172,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57634, ChEBI:CHEBI:57723,
CC ChEBI:CHEBI:58223, ChEBI:CHEBI:58885; EC=2.4.1.14;
CC Evidence={ECO:0000256|ARBA:ARBA00001481,
CC ECO:0000256|RuleBase:RU368006};
CC -!- PATHWAY: Glycan biosynthesis; sucrose biosynthesis; sucrose from D-
CC fructose 6-phosphate and UDP-alpha-D-glucose: step 1/2.
CC {ECO:0000256|ARBA:ARBA00005027, ECO:0000256|RuleBase:RU368006}.
CC -!- SUBUNIT: Homodimer or homotetramer. {ECO:0000256|ARBA:ARBA00011774,
CC ECO:0000256|RuleBase:RU368006}.
CC -!- SIMILARITY: Belongs to the glycosyltransferase 1 family.
CC {ECO:0000256|ARBA:ARBA00006530, ECO:0000256|RuleBase:RU368006}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OIS96831.1}.
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DR EMBL; MJEQ01037193; OIS96831.1; -; Genomic_DNA.
DR RefSeq; XP_019255648.1; XM_019400103.1.
DR AlphaFoldDB; A0A1J6I8F8; -.
DR STRING; 49451.A0A1J6I8F8; -.
DR EnsemblPlants; OIS96831; OIS96831; A4A49_27050.
DR GeneID; 109234218; -.
DR Gramene; OIS96831; OIS96831; A4A49_27050.
DR KEGG; nau:109234218; -.
DR OMA; AWSKGIS; -.
DR OrthoDB; 1206157at2759; -.
DR UniPathway; UPA00371; UER00545.
DR Proteomes; UP000187609; Chromosome 11.
DR GO; GO:0016157; F:sucrose synthase activity; IEA:InterPro.
DR GO; GO:0046524; F:sucrose-phosphate synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0005986; P:sucrose biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd03800; GT4_sucrose_synthase; 1.
DR CDD; cd16419; HAD_SPS; 1.
DR Gene3D; 3.90.1070.10; -; 1.
DR Gene3D; 3.40.50.2000; Glycogen Phosphorylase B; 2.
DR Gene3D; 3.40.50.1000; HAD superfamily/HAD-like; 1.
DR InterPro; IPR001296; Glyco_trans_1.
DR InterPro; IPR023214; HAD_sf.
DR InterPro; IPR006380; SPP-like_dom.
DR InterPro; IPR035659; SPS_C.
DR InterPro; IPR012819; SPS_pln.
DR InterPro; IPR000368; Sucrose_synth.
DR NCBIfam; TIGR02468; sucrsPsyn_pln; 1.
DR PANTHER; PTHR46039:SF2; SUCROSE-PHOSPHATE SYNTHASE 1; 1.
DR PANTHER; PTHR46039; SUCROSE-PHOSPHATE SYNTHASE 3-RELATED; 1.
DR Pfam; PF00534; Glycos_transf_1; 1.
DR Pfam; PF05116; S6PP; 1.
DR Pfam; PF00862; Sucrose_synth; 1.
DR SUPFAM; SSF53756; UDP-Glycosyltransferase/glycogen phosphorylase; 1.
PE 3: Inferred from homology;
KW Glycosyltransferase {ECO:0000256|ARBA:ARBA00022676,
KW ECO:0000256|RuleBase:RU368006};
KW Reference proteome {ECO:0000313|Proteomes:UP000187609};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU368006}.
FT DOMAIN 167..434
FT /note="Sucrose synthase"
FT /evidence="ECO:0000259|Pfam:PF00862"
FT DOMAIN 470..643
FT /note="Glycosyl transferase family 1"
FT /evidence="ECO:0000259|Pfam:PF00534"
FT DOMAIN 774..988
FT /note="Sucrose phosphatase-like"
FT /evidence="ECO:0000259|Pfam:PF05116"
FT REGION 101..141
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 673..694
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 101..133
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 1054 AA; 118610 MW; E85EED8CACB2DEB4 CRC64;
MAGNDWINSY LEAILDVGPG LDDKKSSLLL RERGRFSPTR YFVEEVITGF DETDLHRSWV
RAQATRSPQE RNTRLENMCW RIWNLARQKK QLEGEQAQWM AKRRQEREKG RREAVADMSE
DLSEGEKGDV VSDIPSHAES AKGRLPRISS VETMEAWVNQ QKGKKLYIVL ISLHGLIRGE
NMELGRDSDT GGQVKYVVEL ARALGSMPGV YRVDLLTRQV SSPEVDWSYG EPTEMLPPRS
TEGLMTEMGE SSGAYIIRIP FGPREKYIPK EQLWPYIPEF VDGALNHIIQ MSKVLGEQIG
NGYPVWPVAI HGHYADAGDS AALLSGALNV PMLFTGHSLG RDKLDQLLRQ GRLSKDEINS
TYKIMRRIEA EELTLDASEI VITSTRQEID EQWRLYDGFD PILERKLRAR IKRNVSCYGR
FMPRMAVIPP GMEFHHIVPH EGDMDGETEG TEDGKAPDPP IWTEIMRFFS NPRKPMILAL
ARPDPKKNLT TLVKAFGECR PLRELANLML IMGNRDNIDE MSSTNSSVLL SILKMIDKYD
LYGQVAYPKH HKQADVPDIY RLAAKTKGVF INPAFIEPFG LTLIEAAAYG LPMVATKNGG
PVDIHRVLDN GLLVDPHDQQ AIADALLKLV ADKHLWAKCR ANGLKNIHLF SWPEHCKTYL
SRIASCKPRQ PRWLRADDDD DENSETDSPS DSLRDIHDIS LNLRFSLDGE KNDNKENADN
TLDPEVRKSK LENAVLSWSK GVLKSTPKAW SSDKGDQNSG AGKFPAIRRR RHIFVIAVDC
DASSGLSESV RKIFEAVEKE RAEGSIGFIL ASSFNISEVQ SFLGSEGMKP TDFDAYICNS
GGDLYYSSFH SEQNPFVVDL YYHSHIEYRW GGEGLRKTLV RWAASSIDKK GENEDHIVVE
DEDNSADYCY TFKVRKLGTV PPAKELRKLM RIQALRCHVV YCQNGSRINV IPVLASRSQA
LRYLYLRWGM DLSKLVVFVG ESGDTDYEGL IGGLRKAVIM KGLCTSASSL IHGNRNYPLS
DVLPFDSPNV VQAAEECSST EIRSSLEKLG VLKG
//