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P93568

- SSY1_SOLTU

UniProt

P93568 - SSY1_SOLTU

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Protein
Soluble starch synthase 1, chloroplastic/amyloplastic
Gene
N/A
Organism
Solanum tuberosum (Potato)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at transcript leveli

Functioni

Plays a minor role in starch synthesis in storage organs (tubers), but may contribute to the deposition of transient starch in chloroplasts of leaves.UniRule annotation

Catalytic activityi

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

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei145 – 1451ADP-glucose By similarity

GO - Molecular functioni

  1. starch synthase activity Source: UniProtKB-EC

GO - Biological processi

  1. amylopectin biosynthetic process Source: EnsemblPlants/Gramene
  2. 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:
Soluble starch synthase 1, chloroplastic/amyloplastic (EC:2.4.1.21)
Alternative name(s):
Soluble starch synthase I
Short name:
SS I
OrganismiSolanum tuberosum (Potato)
Taxonomic identifieri4113 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeSolanoideaeSolaneaeSolanum
ProteomesiUP000011115: Unplaced

Subcellular locationi

Plastidchloroplast. Plastidamyloplast
Note: Amyloplast or chloroplast, soluble.UniRule annotation

GO - Cellular componenti

  1. amyloplast Source: UniProtKB-SubCell
  2. chloroplast stroma Source: EnsemblPlants/Gramene
Complete GO annotation...

Keywords - Cellular componenti

Amyloplast, Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini? – 641Soluble starch synthase 1, chloroplastic/amyloplasticUniRule annotationPRO_0000011142
Transit peptidei1 – ?Chloroplast Reviewed prediction

Expressioni

Tissue specificityi

High expression in leaves and very low in tubers.

Inductioni

Constant expression in light and darkness.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliP93568.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transit peptide

Phylogenomic databases

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.

P93568-1 [UniParc]FASTAAdd to Basket

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MGSLQTPTNL SNKSCLCVSG RVVKGLRVER QVGLGFSWLL KGRRNRKVQS    50
LCVTSSVSDG SSIAENKNVS EGLLLGAERD GSGSVVGFQL IPHSVAGDAT 100
MVESHDIVAN DRDDLSEDTE EMEETPIKLT FNIIFVTAEA APYSKTGGLG 150
DVCGSLPMAL AARGHRVMVV SPRYLNGGPS DEKYANAVDL DVRATVHCFG 200
DAQEVAFYHE YRAGVDWVFV DHSSYCRPGT PYGDIYGAFG DNQFRFTLLS 250
HAACEAPLVL PLGGFTYGEK CLFLANDWHA ALVPLLLAAK YRPYGVYKDA 300
RSIVAIHNIA HQGVEPAVTY NNLGLPPQWY GAVEWIFPTW ARAHALDTGE 350
TVNVLKGAIA VADRILTVSQ GYSWEITTPE GGYGLHELLS SRQSVLNGIT 400
NGIDVNDWNP STDEHIASHY SINDLSGKVQ CKTDLQKELG LPIRPDCPLI 450
GFIGRLDYQK GVDIILSAIP ELMQNDVQVV MLGSGEKQYE DWMRHTENLF 500
KDKFRAWVGF NVPVSHRITA GCDILLMPSR FEPCGLNQLY AMRYGTIPIV 550
HSTGGLRDTV KDFNPYAQEG IGEGTGWTFS PLTSEKLLDT LKLAIGTYTE 600
HKSSWEGLMR RGMGRDYSWE NAAIQYEQVF TWAFIDPPYV R 641
Length:641
Mass (Da):70,608
Last modified:May 1, 1997 - v1
Checksum:i30F8B0546CEFB74C
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Y10416 mRNA. Translation: CAA71442.1.
PIRiT07668.
RefSeqiNP_001275074.1. NM_001288145.1.
UniGeneiStu.202.

Genome annotation databases

GeneIDi102600045.
KEGGisot:102600045.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Y10416 mRNA. Translation: CAA71442.1 .
PIRi T07668.
RefSeqi NP_001275074.1. NM_001288145.1.
UniGenei Stu.202.

3D structure databases

ProteinModelPortali P93568.
ModBasei Search...
MobiDBi Search...

Protein family/group databases

CAZyi GT5. Glycosyltransferase Family 5.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 102600045.
KEGGi sot:102600045.

Phylogenomic databases

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

  1. "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: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: cv. Desiree.
    Tissue: Leaf.

Entry informationi

Entry nameiSSY1_SOLTU
AccessioniPrimary (citable) accession number: P93568
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: May 1, 1997
Last modified: June 11, 2014
This is version 70 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, 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

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