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Q9FNF2

- SSY1_ARATH

UniProt

Q9FNF2 - SSY1_ARATH

Protein

Starch synthase 1, chloroplastic/amyloplastic

Gene

SS1

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed - Annotation score: 5 out of 5- Experimental evidence at transcript leveli
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    • History
      Entry version 93 (01 Oct 2014)
      Sequence version 1 (01 Mar 2001)
      Previous versions | rss
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    Functioni

    Involved in the synthesis of short glycan chains within amylopectin in leaves. Is required to generate chains up to about a degree of polymerization of 10 (DP10).2 Publications

    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 sitei156 – 1561ADP-glucoseBy similarity

    GO - Molecular functioni

    1. starch synthase activity Source: UniProtKB

    GO - Biological processi

    1. amylopectin biosynthetic process Source: TAIR
    2. starch biosynthetic process Source: UniProtKB-UniPathway

    Keywords - Molecular functioni

    Glycosyltransferase, Transferase

    Keywords - Biological processi

    Starch biosynthesis

    Enzyme and pathway databases

    BioCyciARA:AT5G24300-MONOMER.
    ARA:GQT-442-MONOMER.
    MetaCyc:AT5G24300-MONOMER.
    UniPathwayiUPA00152.

    Protein family/group databases

    CAZyiGT5. Glycosyltransferase Family 5.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Starch synthase 1, chloroplastic/amyloplastic (EC:2.4.1.21)
    Short name:
    AtSS1
    Short name:
    SSS
    Alternative name(s):
    Soluble starch synthase I
    Gene namesi
    Name:SS1
    Ordered Locus Names:At5g24300
    ORF Names:MOP9.12
    OrganismiArabidopsis thaliana (Mouse-ear cress)
    Taxonomic identifieri3702 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
    ProteomesiUP000006548: Chromosome 5

    Organism-specific databases

    TAIRiAT5G24300.

    Subcellular locationi

    Plastidchloroplast 1 Publication. Plastidamyloplast 1 Publication

    GO - Cellular componenti

    1. amyloplast Source: UniProtKB-SubCell
    2. chloroplast Source: TAIR
    3. chloroplast stroma Source: TAIR

    Keywords - Cellular componenti

    Amyloplast, Chloroplast, Plastid

    Pathology & Biotechi

    Disruption phenotypei

    No visible phenotype under normal growth conditions, but mutant plants have reduced starch content in leaves.1 Publication

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transit peptidei1 – 4949ChloroplastSequence AnalysisAdd
    BLAST
    Chaini50 – 652603Starch synthase 1, chloroplastic/amyloplasticPRO_0000011137Add
    BLAST

    Proteomic databases

    PaxDbiQ9FNF2.
    PRIDEiQ9FNF2.

    Expressioni

    Tissue specificityi

    Expressed in roots, leaves, stems, buds and flowers.2 Publications

    Inductioni

    Circadian-regulation with the lowest levels at the end of the dark period.1 Publication

    Gene expression databases

    ArrayExpressiQ9FNF2.
    GenevestigatoriQ9FNF2.

    Interactioni

    Protein-protein interaction databases

    BioGridi17772. 1 interaction.

    Structurei

    3D structure databases

    ProteinModelPortaliQ9FNF2.
    SMRiQ9FNF2. Positions 138-651.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Keywords - Domaini

    Transit peptide

    Phylogenomic databases

    eggNOGiCOG0297.
    HOGENOMiHOG000294940.
    InParanoidiQ9FNF2.
    KOiK00703.
    OMAiPYHDESQ.
    PhylomeDBiQ9FNF2.

    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.

    Q9FNF2-1 [UniParc]FASTAAdd to Basket

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    MASLQISGSV KFEPFVGFNR IRHFRPIASL GFPRFRRRFS IGRSLLLRRS    50
    SSFSGDSRES DEERFITDAE RDGSGSVLGF QLTPPGDQQT VSTSTGEITH 100
    HEEKKEAIDQ IVMADFGVPG NRAVEEGAAE VGIPSGKAEV VNNLVFVTSE 150
    AAPYSKTGGL GDVCGSLPIA LAGRGHRVMV ISPRYLNGTA ADKNYARAKD 200
    LGIRVTVNCF GGSQEVSFYH EYRDGVDWVF VDHKSYHRPG NPYGDSKGAF 250
    GDNQFRFTLL CHAACEAPLV LPLGGFTYGE KSLFLVNDWH AGLVPILLAA 300
    KYRPYGVYKD ARSILIIHNL AHQGVEPAAT YTNLGLPSEW YGAVGWVFPT 350
    WARTHALDTG EAVNVLKGAI VTSDRIITVS QGYAWEITTV EGGYGLQDLL 400
    SSRKSVINGI TNGINVDEWN PSTDEHIPFH YSADDVSEKI KCKMALQKEL 450
    GLPIRPECPM IGFIGRLDYQ KGIDLIQTAG PDLMVDDIQF VMLGSGDPKY 500
    ESWMRSMEET YRDKFRGWVG FNVPISHRIT AGCDILLMPS RFEPCGLNQL 550
    YAMRYGTIPV VHGTGGLRDT VENFNPYAEG GAGTGTGWVF TPLSKDSMVS 600
    ALRLAAATYR EYKQSWEGLM RRGMTRNYSW ENAAVQYEQV FQWVFMDPPY 650
    VS 652
    Length:652
    Mass (Da):72,099
    Last modified:March 1, 2001 - v1
    Checksum:i91E5069DCD1B2B5B
    GO

    Experimental Info

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Sequence conflicti78 – 858LGFQLTPP → MNSIFPCT in AAF24126. 1 PublicationCurated
    Sequence conflicti89 – 891Q → E in AAF24126. 1 PublicationCurated
    Sequence conflicti222 – 2221Y → H in AAF24126. 1 PublicationCurated
    Sequence conflicti584 – 5841T → A in AAF24126. 1 PublicationCurated

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AB006701 Genomic DNA. Translation: BAB10396.1.
    CP002688 Genomic DNA. Translation: AED93282.1.
    CP002688 Genomic DNA. Translation: AED93283.1.
    AY128273 mRNA. Translation: AAM91082.1.
    AK226881 mRNA. Translation: BAE98960.1.
    AF121673 Genomic DNA. Translation: AAF24126.1.
    RefSeqiNP_001190378.1. NM_001203449.1.
    NP_197818.1. NM_122336.4.
    UniGeneiAt.22528.

    Genome annotation databases

    EnsemblPlantsiAT5G24300.1; AT5G24300.1; AT5G24300.
    AT5G24300.2; AT5G24300.2; AT5G24300.
    GeneIDi832497.
    KEGGiath:AT5G24300.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AB006701 Genomic DNA. Translation: BAB10396.1 .
    CP002688 Genomic DNA. Translation: AED93282.1 .
    CP002688 Genomic DNA. Translation: AED93283.1 .
    AY128273 mRNA. Translation: AAM91082.1 .
    AK226881 mRNA. Translation: BAE98960.1 .
    AF121673 Genomic DNA. Translation: AAF24126.1 .
    RefSeqi NP_001190378.1. NM_001203449.1.
    NP_197818.1. NM_122336.4.
    UniGenei At.22528.

    3D structure databases

    ProteinModelPortali Q9FNF2.
    SMRi Q9FNF2. Positions 138-651.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    BioGridi 17772. 1 interaction.

    Protein family/group databases

    CAZyi GT5. Glycosyltransferase Family 5.

    Proteomic databases

    PaxDbi Q9FNF2.
    PRIDEi Q9FNF2.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblPlantsi AT5G24300.1 ; AT5G24300.1 ; AT5G24300 .
    AT5G24300.2 ; AT5G24300.2 ; AT5G24300 .
    GeneIDi 832497.
    KEGGi ath:AT5G24300.

    Organism-specific databases

    TAIRi AT5G24300.

    Phylogenomic databases

    eggNOGi COG0297.
    HOGENOMi HOG000294940.
    InParanoidi Q9FNF2.
    KOi K00703.
    OMAi PYHDESQ.
    PhylomeDBi Q9FNF2.

    Enzyme and pathway databases

    UniPathwayi UPA00152 .
    BioCyci ARA:AT5G24300-MONOMER.
    ARA:GQT-442-MONOMER.
    MetaCyc:AT5G24300-MONOMER.

    Gene expression databases

    ArrayExpressi Q9FNF2.
    Genevestigatori Q9FNF2.

    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. "Structural analysis of Arabidopsis thaliana chromosome 5. II. Sequence features of the regions of 1,044,062 bp covered by thirteen physically assigned P1 clones."
      Kotani H., Nakamura Y., Sato S., Kaneko T., Asamizu E., Miyajima N., Tabata S.
      DNA Res. 4:291-300(1997) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: cv. Columbia.
    2. The Arabidopsis Information Resource (TAIR)
      Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases
      Cited for: GENOME REANNOTATION.
      Strain: cv. Columbia.
    3. "Empirical analysis of transcriptional activity in the Arabidopsis genome."
      Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M., Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G., Liu S.X., Lam B., Sakano H., Wu T., Yu G.
      , Miranda M., Quach H.L., Tripp M., Chang C.H., Lee J.M., Toriumi M.J., Chan M.M., Tang C.C., Onodera C.S., Deng J.M., Akiyama K., Ansari Y., Arakawa T., Banh J., Banno F., Bowser L., Brooks S.Y., Carninci P., Chao Q., Choy N., Enju A., Goldsmith A.D., Gurjal M., Hansen N.F., Hayashizaki Y., Johnson-Hopson C., Hsuan V.W., Iida K., Karnes M., Khan S., Koesema E., Ishida J., Jiang P.X., Jones T., Kawai J., Kamiya A., Meyers C., Nakajima M., Narusaka M., Seki M., Sakurai T., Satou M., Tamse R., Vaysberg M., Wallender E.K., Wong C., Yamamura Y., Yuan S., Shinozaki K., Davis R.W., Theologis A., Ecker J.R.
      Science 302:842-846(2003) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
      Strain: cv. Columbia.
    4. "Large-scale analysis of RIKEN Arabidopsis full-length (RAFL) cDNAs."
      Totoki Y., Seki M., Ishida J., Nakajima M., Enju A., Kamiya A., Narusaka M., Shin-i T., Nakagawa M., Sakamoto N., Oishi K., Kohara Y., Kobayashi M., Toyoda A., Sakaki Y., Sakurai T., Iida K., Akiyama K.
      , Satou M., Toyoda T., Konagaya A., Carninci P., Kawai J., Hayashizaki Y., Shinozaki K.
      Submitted (JUL-2006) to the EMBL/GenBank/DDBJ databases
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
      Strain: cv. Columbia.
    5. "Characterization of Arabidopsis soluble starch synthase gene."
      Lue W.L., Wang S.M., Yu T.S., Chen J.
      Submitted (JAN-1999) to the EMBL/GenBank/DDBJ databases
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 78-652.
    6. "Soluble starch synthase I: a major determinant for the synthesis of amylopectin in Arabidopsis thaliana leaves."
      Delvalle D., Dumez S., Wattebled F., Roldan I., Planchot V., Berbezy P., Colonna P., Vyas D., Chatterjee M., Ball S., Merida A., D'Hulst C.
      Plant J. 43:398-412(2005) [PubMed] [Europe PMC] [Abstract]
      Cited for: FUNCTION, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, INDUCTION, DISRUPTION PHENOTYPE.
      Strain: cv. Columbia.
    7. "The phenotype of soluble starch synthase IV defective mutants of Arabidopsis thaliana suggests a novel function of elongation enzymes in the control of starch granule formation."
      Roldan I., Wattebled F., Mercedes Lucas M., Delvalle D., Planchot V., Jimenez S., Perez R., Ball S., D'Hulst C., Merida A.
      Plant J. 49:492-504(2007) [PubMed] [Europe PMC] [Abstract]
      Cited for: TISSUE SPECIFICITY.
    8. "Integrated functions among multiple starch synthases determine both amylopectin chain length and branch linkage location in Arabidopsis leaf starch."
      Szydlowski N., Ragel P., Hennen-Bierwagen T.A., Planchot V., Myers A.M., Merida A., d'Hulst C., Wattebled F.
      J. Exp. Bot. 62:4547-4559(2011) [PubMed] [Europe PMC] [Abstract]
      Cited for: FUNCTION.

    Entry informationi

    Entry nameiSSY1_ARATH
    AccessioniPrimary (citable) accession number: Q9FNF2
    Secondary accession number(s): Q0WV88, Q9SEI7
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: March 25, 2003
    Last sequence update: March 1, 2001
    Last modified: October 1, 2014
    This is version 93 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. Arabidopsis thaliana
      Arabidopsis thaliana: entries and gene names
    2. PATHWAY comments
      Index of metabolic and biosynthesis pathways
    3. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3