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Q9MAC8

- SSY2_ARATH

UniProt

Q9MAC8 - SSY2_ARATH

Protein

Starch synthase 2, chloroplastic/amyloplastic

Gene

SS2

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli
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    • History
      Entry version 92 (01 Oct 2014)
      Sequence version 1 (01 Oct 2000)
      Previous versions | rss
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    Functioni

    Involved in the synthesis of glycan chains within amylopectin in leaves. Is required to produce chains with a degree of polymerization of 12 to 25 (DP12-DP25).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 sitei315 – 3151ADP-glucoseBy similarity

    GO - Molecular functioni

    1. starch synthase activity Source: UniProtKB

    GO - Biological processi

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

    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:
    Starch synthase 2, chloroplastic/amyloplastic (EC:2.4.1.21)
    Short name:
    AtSS2
    Alternative name(s):
    Soluble starch synthase II
    Gene namesi
    Name:SS2
    Ordered Locus Names:At3g01180
    ORF Names:T4P13.13
    OrganismiArabidopsis thaliana (Mouse-ear cress)
    Taxonomic identifieri3702 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
    ProteomesiUP000006548: Chromosome 3

    Organism-specific databases

    TAIRiAT3G01180.

    Subcellular locationi

    GO - Cellular componenti

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

    Keywords - Cellular componenti

    Amyloplast, Chloroplast, Plastid

    Pathology & Biotechi

    Disruption phenotypei

    Reduced plant growth under short day photopheriod conditions and starch granules with alterated morphology.1 Publication

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transit peptidei1 – 5555ChloroplastSequence AnalysisAdd
    BLAST
    Chaini56 – 792737Starch synthase 2, chloroplastic/amyloplasticPRO_0000419769Add
    BLAST

    Proteomic databases

    PaxDbiQ9MAC8.
    PRIDEiQ9MAC8.

    Expressioni

    Tissue specificityi

    Expressed in roots, leaves and flowers.1 Publication

    Gene expression databases

    GenevestigatoriQ9MAC8.

    Interactioni

    Protein-protein interaction databases

    IntActiQ9MAC8. 10 interactions.
    STRINGi3702.AT3G01180.1-P.

    Structurei

    3D structure databases

    ProteinModelPortaliQ9MAC8.
    SMRiQ9MAC8. Positions 294-785.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Compositional bias

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Compositional biasi146 – 24297Ser-richAdd
    BLAST

    Sequence similaritiesi

    Keywords - Domaini

    Transit peptide

    Phylogenomic databases

    eggNOGiCOG0297.
    HOGENOMiHOG000294940.
    InParanoidiQ9MAC8.
    KOiK00703.
    OMAiECAPFSK.
    PhylomeDBiQ9MAC8.

    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.

    Q9MAC8-1 [UniParc]FASTAAdd to Basket

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    MASVAESSFP LLCQIKTQRR INSSTLRHSR VSYHDLPSGS LSFRSRSFVL    50
    GHRCKCVSRV EASGSDDDEP EDALQATIDK SKKVLAMQRN LLHQIAERRK 100
    LVSSIKESTP DLDDAKASSK QESASSVNAN TDATKKEIMD GDANGSVSPS 150
    TYGKSSLSKE PEAKTFSPST ESLKNRKQSS ASVISSSPVT SPQKPSDVAT 200
    NGKPWSSVVA SSVDPPYKPS SVMTSPEKTS DPVTSPGKPS KSRAGAFWSD 250
    PLPSYLTKAP QTSTMKTEKY VEKTPDVASS ETNEPGKDEE KPPPLAGANV 300
    MNVILVAAEC APFSKTGGLG DVAGALPKSL ARRGHRVMVV VPRYAEYAEA 350
    KDLGVRKRYK VAGQDMEVMY FHAFIDGVDF VFIDSPEFRH LSNNIYGGNR 400
    LDILKRMVLF CKAAVEVPWY VPCGGVCYGD GNLAFIANDW HTALLPVYLK 450
    AYYRDHGIMK YTRSVLVIHN IAHQGRGPVD DFSYVDLPSH YLDSFKLYDP 500
    VGGEHFNIFA AGLKAADRVL TVSHGYSWEV KTLEGGWGLH NIINENDWKF 550
    RGIVNGIDTQ EWNPEFDTYL HSDDYTNYSL ENLHIGKPQC KAALQKELGL 600
    PVRPDVPLIG FIGRLDHQKG VDLIAEAVPW MMSQDVQLVM LGTGRPDLEE 650
    VLRQMEHQYR DKARGWVGFS VKTAHRITAG ADILLMPSRF EPCGLNQLYA 700
    MNYGTIPVVH AVGGLRDTVQ QFDPYSETGL GWTFDSAEAG KLIHALGNCL 750
    LTYREYKESW EGLQRRGMTQ DLSWDNAAEK YEEVLVAAKY HW 792
    Length:792
    Mass (Da):87,593
    Last modified:October 1, 2000 - v1
    Checksum:iF8C852E4119EF670
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AC008261 Genomic DNA. Translation: AAF26156.1.
    CP002686 Genomic DNA. Translation: AEE73621.1.
    AY054467 mRNA. Translation: AAK96659.1.
    BT002555 mRNA. Translation: AAO00915.1.
    RefSeqiNP_186767.1. NM_110984.2.
    UniGeneiAt.18317.

    Genome annotation databases

    EnsemblPlantsiAT3G01180.1; AT3G01180.1; AT3G01180.
    GeneIDi820294.
    KEGGiath:AT3G01180.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AC008261 Genomic DNA. Translation: AAF26156.1 .
    CP002686 Genomic DNA. Translation: AEE73621.1 .
    AY054467 mRNA. Translation: AAK96659.1 .
    BT002555 mRNA. Translation: AAO00915.1 .
    RefSeqi NP_186767.1. NM_110984.2.
    UniGenei At.18317.

    3D structure databases

    ProteinModelPortali Q9MAC8.
    SMRi Q9MAC8. Positions 294-785.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    IntActi Q9MAC8. 10 interactions.
    STRINGi 3702.AT3G01180.1-P.

    Protein family/group databases

    CAZyi GT5. Glycosyltransferase Family 5.

    Proteomic databases

    PaxDbi Q9MAC8.
    PRIDEi Q9MAC8.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblPlantsi AT3G01180.1 ; AT3G01180.1 ; AT3G01180 .
    GeneIDi 820294.
    KEGGi ath:AT3G01180.

    Organism-specific databases

    TAIRi AT3G01180.

    Phylogenomic databases

    eggNOGi COG0297.
    HOGENOMi HOG000294940.
    InParanoidi Q9MAC8.
    KOi K00703.
    OMAi ECAPFSK.
    PhylomeDBi Q9MAC8.

    Enzyme and pathway databases

    UniPathwayi UPA00152 .

    Gene expression databases

    Genevestigatori Q9MAC8.

    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. "Sequence and analysis of chromosome 3 of the plant Arabidopsis thaliana."
      Salanoubat M., Lemcke K., Rieger M., Ansorge W., Unseld M., Fartmann B., Valle G., Bloecker H., Perez-Alonso M., Obermaier B., Delseny M., Boutry M., Grivell L.A., Mache R., Puigdomenech P., De Simone V., Choisne N., Artiguenave F.
      , Robert C., Brottier P., Wincker P., Cattolico L., Weissenbach J., Saurin W., Quetier F., Schaefer M., Mueller-Auer S., Gabel C., Fuchs M., Benes V., Wurmbach E., Drzonek H., Erfle H., Jordan N., Bangert S., Wiedelmann R., Kranz H., Voss H., Holland R., Brandt P., Nyakatura G., Vezzi A., D'Angelo M., Pallavicini A., Toppo S., Simionati B., Conrad A., Hornischer K., Kauer G., Loehnert T.-H., Nordsiek G., Reichelt J., Scharfe M., Schoen O., Bargues M., Terol J., Climent J., Navarro P., Collado C., Perez-Perez A., Ottenwaelder B., Duchemin D., Cooke R., Laudie M., Berger-Llauro C., Purnelle B., Masuy D., de Haan M., Maarse A.C., Alcaraz J.-P., Cottet A., Casacuberta E., Monfort A., Argiriou A., Flores M., Liguori R., Vitale D., Mannhaupt G., Haase D., Schoof H., Rudd S., Zaccaria P., Mewes H.-W., Mayer K.F.X., Kaul S., Town C.D., Koo H.L., Tallon L.J., Jenkins J., Rooney T., Rizzo M., Walts A., Utterback T., Fujii C.Y., Shea T.P., Creasy T.H., Haas B., Maiti R., Wu D., Peterson J., Van Aken S., Pai G., Militscher J., Sellers P., Gill J.E., Feldblyum T.V., Preuss D., Lin X., Nierman W.C., Salzberg S.L., White O., Venter J.C., Fraser C.M., Kaneko T., Nakamura Y., Sato S., Kato T., Asamizu E., Sasamoto S., Kimura T., Idesawa K., Kawashima K., Kishida Y., Kiyokawa C., Kohara M., Matsumoto M., Matsuno A., Muraki A., Nakayama S., Nakazaki N., Shinpo S., Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.
      Nature 408:820-822(2000) [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. "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.
    5. "Overlapping functions of the starch synthases SSII and SSIII in amylopectin biosynthesis in Arabidopsis."
      Zhang X., Szydlowski N., Delvalle D., D'Hulst C., James M.G., Myers A.M.
      BMC Plant Biol. 8:96-96(2008) [PubMed] [Europe PMC] [Abstract]
      Cited for: FUNCTION, DISRUPTION PHENOTYPE.
      Strain: cv. Columbia.
    6. "Large-scale Arabidopsis phosphoproteome profiling reveals novel chloroplast kinase substrates and phosphorylation networks."
      Reiland S., Messerli G., Baerenfaller K., Gerrits B., Endler A., Grossmann J., Gruissem W., Baginsky S.
      Plant Physiol. 150:889-903(2009) [PubMed] [Europe PMC] [Abstract]
      Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].

    Entry informationi

    Entry nameiSSY2_ARATH
    AccessioniPrimary (citable) accession number: Q9MAC8
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: October 31, 2012
    Last sequence update: October 1, 2000
    Last modified: October 1, 2014
    This is version 92 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