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Q0WVX5

- SSY4_ARATH

UniProt

Q0WVX5 - SSY4_ARATH

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Protein
Probable starch synthase 4, chloroplastic/amyloplastic
Gene
SS4, At4g18240, T9A21.90
Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at transcript leveli

Functioni

Probably involved in the priming of starch granule formation. May play a regulatory role in the control of starch accumulation in plastids. Is necessary and sufficient to establish the correct number of starch granules observed in chloroplasts.3 Publications

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 sitei556 – 5561ADP-glucose By similarity

GO - Molecular functioni

  1. starch synthase activity Source: UniProtKB-EC
Complete GO annotation...

GO - Biological processi

  1. starch biosynthetic process Source: UniProtKB-UniPathway
  2. starch metabolic process Source: TAIR
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Keywords - Biological processi

Starch biosynthesis

Enzyme and pathway databases

UniPathwayiUPA00152.

Names & Taxonomyi

Protein namesi
Recommended name:
Probable starch synthase 4, chloroplastic/amyloplastic (EC:2.4.1.21)
Short name:
AtSS4
Alternative name(s):
Soluble starch synthase IV
Gene namesi
Name:SS4
Ordered Locus Names:At4g18240
ORF Names:T9A21.90
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
ProteomesiUP000006548: Chromosome 4

Organism-specific databases

TAIRiAT4G18240.

Subcellular locationi

Plastidchloroplast. Plastidamyloplast 2 Publications

GO - Cellular componenti

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

Keywords - Cellular componenti

Amyloplast, Chloroplast, Plastid

Pathology & Biotechi

Disruption phenotypei

Severe reduced growth, reduced number of starch granules, altered structure of starch granules.1 Publication

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transit peptidei1 – 4242Chloroplast Reviewed prediction
Add
BLAST
Chaini43 – 1040998Probable starch synthase 4, chloroplastic/amyloplasticUniRule annotation
PRO_0000419771Add
BLAST

Proteomic databases

PRIDEiQ0WVX5.

Expressioni

Tissue specificityi

Expressed in leaves and flowers.1 Publication

Gene expression databases

GenevestigatoriQ0WVX5.

Interactioni

Protein-protein interaction databases

STRINGi3702.AT4G18240.1-P.

Structurei

3D structure databases

ProteinModelPortaliQ0WVX5.
SMRiQ0WVX5. Positions 544-1026.

Family & Domainsi

Coiled coil

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Coiled coili187 – 466280 Reviewed prediction
Add
BLAST

Sequence similaritiesi

Keywords - Domaini

Coiled coil, Transit peptide

Phylogenomic databases

InParanoidiQ0WVX5.
OMAiHSKKFIG.
PhylomeDBiQ0WVX5.

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.

Q0WVX5-1 [UniParc]FASTAAdd to Basket

« Hide

MTTKLSSFCF LTHGLAGISC EREHGSSRRF FYLPSRRLVS TSCKMRQQRG     50
FDSSKRQEVK KGSPKPILSI NSGLQSNNDE ESDLENGSAD SVPSLKSDAE 100
KGSSIHGSID MNHADENLEK KDDIQTTEVT RRKSKTAKKK GESIHATIDI 150
GHDDGKNLDN ITVPEVAKAL SLNKSEGEQI SDGQFGELMT MIRSAEKNIL 200
RLDEARATAL DDLNKILSDK EALQGEINVL EMKLSETDER IKTAAQEKAH 250
VELLEEQLEK LRHEMISPIE SDGYVLALSK ELETLKLENL SLRNDIEMLK 300
SELDSVKDTG ERVVVLEKEC SGLESSVKDL ESKLSVSQED VSQLSTLKIE 350
CTDLWAKVET LQLLLDRATK QAEQAVIVLQ QNQDLRNKVD KIEESLKEAN 400
VYKESSEKIQ QYNELMQHKV TLLEERLEKS DAEIFSYVQL YQESIKEFQE 450
TLESLKEESK KKSRDEPVDD MPWDYWSRLL LTVDGWLLEK KIASNDADLL 500
RDMVWKKDRR IHDTYIDVKD KNERDAISAF LKLVSSPTSS GLYVVHIAAE 550
MAPVAKVGGL GDVVAGLGKA LQRKGHLVEI ILPKYDCMQY DRVRDLRALD 600
TVVESYFDGK LYKNKIWIGT VEGLPVHFIE PQHPSKFFWR GQFYGEQDDF 650
RRFSYFSRAA LELLLQSGKK PDIIHCHDWQ TAFVAPLYWD LYAPKGLDSA 700
RICFTCHNFE YQGTASASEL GSCGLDVNQL NRPDRMQDHS SGDRVNPVKG 750
AIIFSNIVTT VSPTYAQEVR TAEGGKGLHS TLNFHSKKFI GILNGIDTDS 800
WNPATDPFLK AQFNAKDLQG KEENKHALRK QLGLSSAESR RPLVGCITRL 850
VPQKGVHLIR HAIYRTLELG GQFVLLGSSP VPHIQREFEG IEQQFKSHDH 900
VRLLLKYDEA LSHTIYAASD LFIIPSIFEP CGLTQMIAMR YGSIPIARKT 950
GGLNDSVFDI DDDTIPTQFQ NGFTFQTADE QGFNYALERA FNHYKKDEEK 1000
WMRLVEKVMS IDFSWGSSAT QYEELYTRSV SRARAVPNRT 1040
Length:1,040
Mass (Da):117,747
Last modified:September 5, 2006 - v1
Checksum:iA89327E598D01165
GO

Sequence cautioni

The sequence CAA16796.1 differs from that shown. Reason: Erroneous gene model prediction.
The sequence CAB78826.1 differs from that shown. Reason: Erroneous gene model prediction.

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AL021713 Genomic DNA. Translation: CAA16796.1. Sequence problems.
AL161548 Genomic DNA. Translation: CAB78826.1. Sequence problems.
CP002687 Genomic DNA. Translation: AEE84015.1.
AK226610 mRNA. Translation: BAE98723.1.
PIRiT04926.
RefSeqiNP_193558.3. NM_117934.4.
UniGeneiAt.46236.

Genome annotation databases

EnsemblPlantsiAT4G18240.1; AT4G18240.1; AT4G18240.
GeneIDi827550.
KEGGiath:AT4G18240.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AL021713 Genomic DNA. Translation: CAA16796.1 . Sequence problems.
AL161548 Genomic DNA. Translation: CAB78826.1 . Sequence problems.
CP002687 Genomic DNA. Translation: AEE84015.1 .
AK226610 mRNA. Translation: BAE98723.1 .
PIRi T04926.
RefSeqi NP_193558.3. NM_117934.4.
UniGenei At.46236.

3D structure databases

ProteinModelPortali Q0WVX5.
SMRi Q0WVX5. Positions 544-1026.
ModBasei Search...

Protein-protein interaction databases

STRINGi 3702.AT4G18240.1-P.

Proteomic databases

PRIDEi Q0WVX5.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblPlantsi AT4G18240.1 ; AT4G18240.1 ; AT4G18240 .
GeneIDi 827550.
KEGGi ath:AT4G18240.

Organism-specific databases

TAIRi AT4G18240.

Phylogenomic databases

InParanoidi Q0WVX5.
OMAi HSKKFIG.
PhylomeDBi Q0WVX5.

Enzyme and pathway databases

UniPathwayi UPA00152 .

Gene expression databases

Genevestigatori Q0WVX5.

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. "Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana."
    Mayer K.F.X., Schueller C., Wambutt R., Murphy G., Volckaert G., Pohl T., Duesterhoeft A., Stiekema W., Entian K.-D., Terryn N., Harris B., Ansorge W., Brandt P., Grivell L.A., Rieger M., Weichselgartner M., de Simone V., Obermaier B.
    , Mache R., Mueller M., Kreis M., Delseny M., Puigdomenech P., Watson M., Schmidtheini T., Reichert B., Portetelle D., Perez-Alonso M., Boutry M., Bancroft I., Vos P., Hoheisel J., Zimmermann W., Wedler H., Ridley P., Langham S.-A., McCullagh B., Bilham L., Robben J., van der Schueren J., Grymonprez B., Chuang Y.-J., Vandenbussche F., Braeken M., Weltjens I., Voet M., Bastiaens I., Aert R., Defoor E., Weitzenegger T., Bothe G., Ramsperger U., Hilbert H., Braun M., Holzer E., Brandt A., Peters S., van Staveren M., Dirkse W., Mooijman P., Klein Lankhorst R., Rose M., Hauf J., Koetter P., Berneiser S., Hempel S., Feldpausch M., Lamberth S., Van den Daele H., De Keyser A., Buysshaert C., Gielen J., Villarroel R., De Clercq R., van Montagu M., Rogers J., Cronin A., Quail M.A., Bray-Allen S., Clark L., Doggett J., Hall S., Kay M., Lennard N., McLay K., Mayes R., Pettett A., Rajandream M.A., Lyne M., Benes V., Rechmann S., Borkova D., Bloecker H., Scharfe M., Grimm M., Loehnert T.-H., Dose S., de Haan M., Maarse A.C., Schaefer M., Mueller-Auer S., Gabel C., Fuchs M., Fartmann B., Granderath K., Dauner D., Herzl A., Neumann S., Argiriou A., Vitale D., Liguori R., Piravandi E., Massenet O., Quigley F., Clabauld G., Muendlein A., Felber R., Schnabl S., Hiller R., Schmidt W., Lecharny A., Aubourg S., Chefdor F., Cooke R., Berger C., Monfort A., Casacuberta E., Gibbons T., Weber N., Vandenbol M., Bargues M., Terol J., Torres A., Perez-Perez A., Purnelle B., Bent E., Johnson S., Tacon D., Jesse T., Heijnen L., Schwarz S., Scholler P., Heber S., Francs P., Bielke C., Frishman D., Haase D., Lemcke K., Mewes H.-W., Stocker S., Zaccaria P., Bevan M., Wilson R.K., de la Bastide M., Habermann K., Parnell L., Dedhia N., Gnoj L., Schutz K., Huang E., Spiegel L., Sekhon M., Murray J., Sheet P., Cordes M., Abu-Threideh J., Stoneking T., Kalicki J., Graves T., Harmon G., Edwards J., Latreille P., Courtney L., Cloud J., Abbott A., Scott K., Johnson D., Minx P., Bentley D., Fulton B., Miller N., Greco T., Kemp K., Kramer J., Fulton L., Mardis E., Dante M., Pepin K., Hillier L.W., Nelson J., Spieth J., Ryan E., Andrews S., Geisel C., Layman D., Du H., Ali J., Berghoff A., Jones K., Drone K., Cotton M., Joshu C., Antonoiu B., Zidanic M., Strong C., Sun H., Lamar B., Yordan C., Ma P., Zhong J., Preston R., Vil D., Shekher M., Matero A., Shah R., Swaby I.K., O'Shaughnessy A., Rodriguez M., Hoffman J., Till S., Granat S., Shohdy N., Hasegawa A., Hameed A., Lodhi M., Johnson A., Chen E., Marra M.A., Martienssen R., McCombie W.R.
    Nature 402:769-777(1999) [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. "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.
  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: FUNCTION, TISSUE SPECIFICITY, DISRUPTION PHENOTYPE.
    Strain: cv. Columbia.
  5. "Starch granule initiation in Arabidopsis requires the presence of either class IV or class III starch synthases."
    Szydlowski N., Ragel P., Raynaud S., Lucas M.M., Roldan I., Montero M., Munoz F.J., Ovecka M., Bahaji A., Planchot V., Pozueta-Romero J., D'Hulst C., Merida A.
    Plant Cell 21:2443-2457(2009) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION, SUBCELLULAR LOCATION.
  6. "Enhancing the expression of starch synthase class IV results in increased levels of both transitory and long-term storage starch."
    Gamez-Arjona F.M., Li J., Raynaud S., Baroja-Fernandez E., Munoz F.J., Ovecka M., Ragel P., Bahaji A., Pozueta-Romero J., Merida A.
    Plant Biotechnol. J. 9:1049-1060(2011) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION, SUBCELLULAR LOCATION.

Entry informationi

Entry nameiSSY4_ARATH
AccessioniPrimary (citable) accession number: Q0WVX5
Secondary accession number(s): O49727
Entry historyi
Integrated into UniProtKB/Swiss-Prot: October 31, 2012
Last sequence update: September 5, 2006
Last modified: May 14, 2014
This is version 62 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Miscellaneous

Plants over-expressing SS4 have increased levels of starch in leaves and display a higher growth rate than wild-type (1 Publication).

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

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