F4IAG2 · SSY3_ARATH

Function

function

Involved in the synthesis of glycan chains within amylopectin in leaves. May play a regulatory role in the control of starch accumulation in plastids.

Catalytic activity

Pathway

Glycan biosynthesis; starch biosynthesis.

Features

Showing features for binding site.

110421002003004005006007008009001,000
TypeIDPosition(s)Description
Binding site608ADP-alpha-D-glucose (UniProtKB | ChEBI)

GO annotations

AspectTerm
Cellular Componentamyloplast
Cellular Componentchloroplast
Molecular Functionalpha-1,4-glucan synthase activity
Molecular Functionglycogen (starch) synthase activity
Molecular Functionidentical protein binding
Molecular Functionstarch binding
Molecular Functionstarch synthase activity
Biological Processamylopectin biosynthetic process
Biological Processstarch biosynthetic process

Keywords

Enzyme and pathway databases

Protein family/group databases

    • CBM53Carbohydrate-Binding Module Family 53
    • GT5Glycosyltransferase Family 5

Names & Taxonomy

Protein names

  • Recommended name
    Starch synthase 3, chloroplastic/amyloplastic
  • EC number
  • Short names
    AtSS3
  • Alternative names
    • Soluble starch synthase III

Gene names

    • Name
      SS3
    • ORF names
      F25C20.13
    • Ordered locus names
      At1g11720

Organism names

  • Taxonomic identifier
  • Strain
    • cv. Columbia
  • Taxonomic lineage
    Eukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > rosids > malvids > Brassicales > Brassicaceae > Camelineae > Arabidopsis

Accessions

  • Primary accession
    F4IAG2
  • Secondary accessions
    • Q1WAB7
    • Q306T0
    • Q9SAA5

Proteomes

Organism-specific databases

Genome annotation databases

Subcellular Location

Phenotypes & Variants

Disruption phenotype

No visible phenotype under normal growth conditions, but mutant plants accumulate increased levels of starch and have starch granules with alterated morphology.

Variants

We now provide the "Disease & Variants" viewer in its own tab.

The viewer provides 79 variants from UniProt as well as other sources including ClinVar and dbSNP.

Go to variant viewer

PTM/Processing

Features

Showing features for transit peptide, chain.

TypeIDPosition(s)Description
Transit peptide1-44Chloroplast
ChainPRO_000041977045-1042Starch synthase 3, chloroplastic/amyloplastic

Proteomic databases

PTM databases

Expression

Tissue specificity

Expressed in leaves and flowers.

Gene expression databases

Interaction

Binary interactions

TypeEntry 1Entry 2Number of experimentsIntact
BINARY F4IAG2SS3 F4IAG24EBI-7661720, EBI-7661720

Protein-protein interaction databases

Structure

Family & Domains

Features

Showing features for region, coiled coil.

TypeIDPosition(s)Description
Region1-63Disordered
Coiled coil247-302

Sequence similarities

Keywords

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Sequence processing
    The displayed sequence is further processed into a mature form.

This entry describes 1 isoforms produced by Alternative splicing. A number of isoforms are produced. According to EST sequences.

F4IAG2-1

This isoform has been chosen as the canonical sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

  • Length
    1,042
  • Mass (Da)
    118,512
  • Last updated
    2011-06-28 v1
  • Checksum
    C0481F694FCDC7D2
MISYFLNQDFSRKKQGRMAASGPKSSGPRGFGRRTTVGSAQKRTQKKNGEKDSNATSTATNEVSGISKLPAAKVDVQKQSSVVLNERNVLDRSDIEDGSDRLDKKTTDDDDLLEQKLKLERENLRRKEIETLAAENLARGDRMFVYPVIVKPDEDIEVFLNRNLSTLNNEPDVLIMGAFNEWRWKSFTRRLEKTWIHEDWLSCLLHIPKEAYKMDFVFFNGQSVYDNNDSKDFCVEIKGGMDKVDFENFLLEEKLREQEKLAKEEAERERQKEEKRRIEAQKAAIEADRAQAKAETQKRRELLQPAIKKAVVSAENVWYIEPSDFKAEDTVKLYYNKRSGPLTNSKELWLHGGFNNWVDGLSIVVKLVNAELKDVDPKSGNWWFAEVVVPGGALVIDWVFADGPPKGAFLYDNNGYQDFHALVPQKLPEELYWLEEENMIFRKLQEDRRLKEEVMRAKMEKTARLKAETKERTLKKFLLSQKDVVYTEPLEIQAGNPVTVLYNPANTVLNGKPEVWFRGSFNRWTHRLGPLPPQKMEATDDESSHVKTTAKVPLDAYMMDFVFSEKEDGGIFDNKNGLDYHLPVVGGISKEPPLHIVHIAVEMAPIAKVGGLGDVVTSLSRAVQELNHNVDIVFPKYDCIKHNFVKDLQFNRSYHWGGTEIKVWHGKVEGLSVYFLDPQNGLFQRGCVYGCADDAGRFGFFCHAALEFLLQGGFHPDILHCHDWSSAPVSWLFKDHYTQYGLIKTRIVFTIHNLEFGANAIGKAMTFADKATTVSPTYAKEVAGNSVISAHLYKFHGIINGIDPDIWDPYNDNFIPVPYTSENVVEGKRAAKEELQNRLGLKSADFPVVGIITRLTHQKGIHLIKHAIWRTLERNGQVVLLGSAPDPRIQNDFVNLANQLHSSHGDRARLVLTYDEPLSHLIYAGADFILVPSIFEPCGLTQLIAMRYGAVPVVRKTGGLFDTVFDVDHDKERAQAQVLEPNGFSFDGADAPGVDYALNRAISAWYDGREWFNSLCKTVMEQDWSWNRPALEYLELYHSARK

Computationally mapped potential isoform sequences

There is 1 potential isoform mapped to this entry

View all
EntryEntry nameGene nameLength
F4IAG1F4IAG1_ARATHSS31094

Sequence caution

The sequence AAD30251.1 differs from that shown. Reason: Erroneous initiation Truncated N-terminus.

Features

Showing features for sequence conflict.

TypeIDPosition(s)Description
Sequence conflict741in Ref. 3; ABB46391
Sequence conflict1041in Ref. 3; ABB46391

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
AC007296
EMBL· GenBank· DDBJ
AAD30251.1
EMBL· GenBank· DDBJ
Genomic DNA Different initiation
CP002684
EMBL· GenBank· DDBJ
AEE28774.1
EMBL· GenBank· DDBJ
Genomic DNA
DQ241810
EMBL· GenBank· DDBJ
ABB46391.1
EMBL· GenBank· DDBJ
mRNA
EF636491
EMBL· GenBank· DDBJ
ABU96740.1
EMBL· GenBank· DDBJ
mRNA
DQ415727
EMBL· GenBank· DDBJ
ABD77100.1
EMBL· GenBank· DDBJ
mRNA

Genome annotation databases

Similar Proteins

Disclaimer

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