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Q43847

- SSY2_SOLTU

UniProt

Q43847 - SSY2_SOLTU

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Protein

Granule-bound starch synthase 2, chloroplastic/amyloplastic

Gene

SS2

Organism
Solanum tuberosum (Potato)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli

Functioni

Accounts for only 10 to 15% of the total soluble starch synthase activity in tubers.1 Publication

Catalytic activityi

ADP-glucose + (1,4-alpha-D-glucosyl)(n) = ADP + (1,4-alpha-D-glucosyl)(n+1).

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei290 – 2901ADP-glucoseBy similarity

GO - Molecular functioni

  1. starch synthase activity Source: UniProtKB-EC

GO - Biological processi

  1. amylopectin biosynthetic process Source: EnsemblPlants/Gramene
  2. galactolipid biosynthetic process Source: EnsemblPlants/Gramene
  3. myo-inositol hexakisphosphate biosynthetic process Source: EnsemblPlants/Gramene
  4. response to hypoxia Source: EnsemblPlants/Gramene
  5. starch biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Keywords - Biological processi

Starch biosynthesis

Enzyme and pathway databases

UniPathwayiUPA00152.

Protein family/group databases

CAZyiGT5. Glycosyltransferase Family 5.

Names & Taxonomyi

Protein namesi
Recommended name:
Granule-bound starch synthase 2, chloroplastic/amyloplastic (EC:2.4.1.21)
Alternative name(s):
Granule-bound starch synthase II
Short name:
GBSS-II
Short name:
SS II
Gene namesi
Name:SS2
Synonyms:SSII
OrganismiSolanum tuberosum (Potato)
Taxonomic identifieri4113 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeSolanoideaeSolaneaeSolanum
ProteomesiUP000011115: Unplaced

Subcellular locationi

Plastidchloroplast By similarity. Plastidamyloplast By similarity
Note: Amyloplast or chloroplast, granule-bound and soluble.By similarity

GO - Cellular componenti

  1. amyloplast Source: UniProtKB-KW
  2. chloroplast Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Amyloplast, Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transit peptidei1 – 4545Chloroplast1 PublicationAdd
BLAST
Chaini46 – 767722Granule-bound starch synthase 2, chloroplastic/amyloplasticPRO_0000011145Add
BLAST

Expressioni

Inductioni

Constant expression in light and darkness.

Structurei

3D structure databases

ProteinModelPortaliQ43847.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transit peptide

Phylogenomic databases

InParanoidiQ43847.
KOiK00703.

Family and domain databases

HAMAPiMF_00484. Glycogen_synth.
InterProiIPR001296. Glyco_trans_1.
IPR011835. Glycogen/starch_synth.
IPR013534. Starch_synth_cat_dom.
[Graphical view]
PfamiPF08323. Glyco_transf_5. 1 hit.
PF00534. Glycos_transf_1. 1 hit.
[Graphical view]
TIGRFAMsiTIGR02095. glgA. 1 hit.

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q43847-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MENSILLHSG NQFHPNLPLL ALRPKKLSLI HGSSREQMWR IKRVKATGEN
60 70 80 90 100
SGEAASADES NDALQVTIEK SKKVLAMQQD LLQQIAERRK VVSSIKSSLA
110 120 130 140 150
NAKGTYDGGS GSLSDVDIPD VDKDYNVTVP STAATPITDV DKNTPPAISQ
160 170 180 190 200
DFVESKREIK RDLADERAPP LSRSSITASS QISSTVSSKR TLNVPPETPK
210 220 230 240 250
SSQETLLDVN SRKSLVDVPG KKIQSYMPSL RKESSASHVE QRNENLEGSS
260 270 280 290 300
AEANEETEDP VNIDEKPPPL AGTNVMNIIL VASECAPWSK TGGLGDVAGA
310 320 330 340 350
LPKALARRGH RVMVVAPRYD NYPEPQDSGV RKIYKVDGQD VEVTYFQAFI
360 370 380 390 400
DGVDFVFIDS HMFRHIGNNI YGGNRVDILK RMVLFCKAAI EVPWHVPCGG
410 420 430 440 450
VCYGDGNLVF IANDWHTALL PVYLKAYYRD NGIMNYTRSV LVIHNIAHQG
460 470 480 490 500
RGPLEDFSYV DLPPHYMDPF KLYDPVGGEH FNIFAAGLKT ADRVVTVSHG
510 520 530 540 550
YSWELKTSQG GWGLHQIINE NDWKLQGIVN GIDTKEWNPE LDVHLQSDGY
560 570 580 590 600
MNYSLDTLQT GKPQCKAALQ KELGLPVRDD VPLIGFIGRL DPQKGVDLIA
610 620 630 640 650
EAVPWMMGQD VQLVMLGTGR RDLEQMLRQF ECQHNDKIRG WVGFSVKTSH
660 670 680 690 700
RITAGADILL MPSRFEPCGL NQLYAMKYGT IPVVHAVGGL RDTVQPFDPF
710 720 730 740 750
NESGLGWTFS RAEASQLIHA LGNCLLTYRE YKKSWEGIQT RCMTQDLSWD
760
NAAQNYEEVL IAAKYQW
Length:767
Mass (Da):85,222
Last modified:January 4, 2005 - v3
Checksum:i7C6405995FEC996B
GO

Natural variant

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Natural varianti51 – 511S → D.1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X87988 mRNA. Translation: CAA61241.2.
PIRiT07667.
RefSeqiNP_001274977.1. NM_001288048.1.
UniGeneiStu.662.

Genome annotation databases

EnsemblPlantsiPGSC0003DMT400003356; PGSC0003DMT400003356; PGSC0003DMG400001328.
GeneIDi102583115.
KEGGisot:102583115.

Keywords - Coding sequence diversityi

Polymorphism

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X87988 mRNA. Translation: CAA61241.2 .
PIRi T07667.
RefSeqi NP_001274977.1. NM_001288048.1.
UniGenei Stu.662.

3D structure databases

ProteinModelPortali Q43847.
ModBasei Search...
MobiDBi Search...

Protein family/group databases

CAZyi GT5. Glycosyltransferase Family 5.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblPlantsi PGSC0003DMT400003356 ; PGSC0003DMT400003356 ; PGSC0003DMG400001328 .
GeneIDi 102583115.
KEGGi sot:102583115.

Phylogenomic databases

InParanoidi Q43847.
KOi K00703.

Enzyme and pathway databases

UniPathwayi UPA00152 .

Family and domain databases

HAMAPi MF_00484. Glycogen_synth.
InterProi IPR001296. Glyco_trans_1.
IPR011835. Glycogen/starch_synth.
IPR013534. Starch_synth_cat_dom.
[Graphical view ]
Pfami PF08323. Glyco_transf_5. 1 hit.
PF00534. Glycos_transf_1. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR02095. glgA. 1 hit.
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Biochemical and molecular characterization of a novel starch synthase from potato tubers."
    Edwards A., Marshall J., Sidebottom C., Visser R.G.F., Smith A.M., Martin C.
    Plant J. 8:283-294(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 46-55, VARIANT ASP-51.
    Strain: cv. Desiree.
    Tissue: Tuber.
  2. "Resequencing, expression and purification of His-tagged potato soluble starch synthase II in Escherichia coli."
    Shearer N., Edwards E.A., Martin C., Bornemann S.
    Submitted (JUN-2004) to the EMBL/GenBank/DDBJ databases
    Cited for: SEQUENCE REVISION.
  3. "Genome sequence and analysis of the tuber crop potato."
    The Potato Genome Sequencing Consortium
    Nature 475:189-195(2011) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: cv. DM1-3 516 R44.
  4. "Cloning and functional analysis of a cDNA encoding a starch synthase from potato (Solanum tuberosum L.) that is predominantly expressed in leaf tissue."
    Kossmann J., Abel G.J.W., Springer F., Lloyd J.R., Willmitzer L.
    Planta 208:503-511(1999) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION.

Entry informationi

Entry nameiSSY2_SOLTU
AccessioniPrimary (citable) accession number: Q43847
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: January 4, 2005
Last modified: October 29, 2014
This is version 78 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Miscellaneous

May be the main starch synthase responsible for the incorporation of phosphorylated precursors into growing alpha-1,4-glucans.

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3