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    SEX1 Pyruvate phosphate dikinase, PEP/pyruvate binding domain-containing protein [ Arabidopsis thaliana (thale cress) ]

    Gene ID: 837619, updated on 18-Sep-2024

    Summary

    Official Symbol
    SEX1
    Official Full Name
    Pyruvate phosphate dikinase, PEP/pyruvate binding domain-containing protein
    Primary source
    TAIR:AT1G10760
    Locus tag
    AT1G10760
    See related
    Araport:AT1G10760
    Gene type
    protein coding
    RefSeq status
    REVIEWED
    Organism
    Arabidopsis thaliana (ecotype: Columbia)
    Lineage
    Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis
    Also known as
    GWD; GWD1; SOP; SOP1; STARCH EXCESS 1; T16B5.10; T16B5_10
    Summary
    Encodes an alpha-glucan, water dikinase required for starch degradation. Involved in cold-induced freezing tolerance. Mutations that eliminate the GWD protein or affect the dikinase domain of the enzyme dramatically reduce both the amount of phosphate in the amylopectin and the rate of starch degradation. Mature leaves of these mutants accumulate amounts of starch up to seven times greater than those in wild-type leaves. NMR analysis of the mutants, suggests that the gene is specifically involved in the phosphorylation of the glucosyl residues of starch at the C6 position.
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    Genomic context

    See SEX1 in Genome Data Viewer
    Location:
    chromosome: 1
    Exon count:
    34
    Sequence:
    Chromosome: 1; NC_003070.9 (3580830..3590928, complement)

    Chromosome 1 - NC_003070.9Genomic Context describing neighboring genes Neighboring gene maternally expressed family protein Neighboring gene carboxyl-terminal peptidase, putative (DUF239) Neighboring gene ncRNA Neighboring gene Plant invertase/pectin methylesterase inhibitor superfamily protein Neighboring gene F-box/RNI-like superfamily protein

    Bibliography

    Pathways from PubChem

    Interactions

    Products Interactant Other Gene Complex Source Pubs Description

    General protein information

    Preferred Names
    Pyruvate phosphate dikinase, PEP/pyruvate binding domain-containing protein
    NP_001318975.1
    • STARCH EXCESS 1 (SEX1); FUNCTIONS IN: protein binding, alpha-glucan, water dikinase activity; INVOLVED IN: cold acclimation, response to symbiotic fungus, response to trehalose stimulus, circadian rhythm, starch catabolic process; LOCATED IN: mitochondrion, chloroplast stroma, chloroplast, chloroplast envelope; EXPRESSED IN: 24 plant structures; EXPRESSED DURING: 14 growth stages; CONTAINS InterPro DOMAIN/s: Pyruvate phosphate dikinase, PEP/pyruvate-binding (InterPro:IPR002192); BEST Arabidopsis thaliana protein match is: phosphoglucan, water dikinase (TAIR:AT4G24450.1); Has 2623 Blast hits to 2596 proteins in 1116 species: Archae - 196; Bacteria - 1989; Metazoa - 24; Fungi - 8; Plants - 221; Viruses - 0; Other Eukaryotes - 185 (source: NCBI BLink).

    NCBI Reference Sequences (RefSeq)

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    Genome Annotation

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference assembly

    Genomic

    1. NC_003070.9 Reference assembly

      Range
      3580830..3590928 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_001331926.1NP_001318975.1  Pyruvate phosphate dikinase, PEP/pyruvate binding domain-containing protein [Arabidopsis thaliana]

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      Q93VD0, Q940Z0, Q9FPP2, Q9SAC6, Q9SGX4
      UniProtKB/TrEMBL
      A0A178WBL6, A0A5S9TPR3, A0A654E8L0
      Conserved Domains (2) summary
      PLN02784
      Location:1526
      PLN02784; alpha-amylase
      pfam01326
      Location:10911398
      PPDK_N; Pyruvate phosphate dikinase, PEP/pyruvate binding domain
    2. NM_001331927.1NP_001320611.1  Pyruvate phosphate dikinase, PEP/pyruvate binding domain-containing protein [Arabidopsis thaliana]

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      Q93VD0, Q940Z0, Q9FPP2, Q9SAC6, Q9SGX4
      UniProtKB/TrEMBL
      A0A178WBL6, A0A5S9TPR3, A0A654E8L0
      Conserved Domains (2) summary
      PLN02784
      Location:1526
      PLN02784; alpha-amylase
      pfam01326
      Location:10911398
      PPDK_N; Pyruvate phosphate dikinase, PEP/pyruvate binding domain
    3. NM_100952.4NP_563877.1  Pyruvate phosphate dikinase, PEP/pyruvate binding domain-containing protein [Arabidopsis thaliana]

      See identical proteins and their annotated locations for NP_563877.1

      Status: REVIEWED

      UniProtKB/Swiss-Prot
      Q93VD0, Q940Z0, Q9FPP2, Q9SAC6, Q9SGX4
      UniProtKB/TrEMBL
      A0A178WBL6, A0A5S9TPR3, A0A654E8L0
      Conserved Domains (2) summary
      PLN02784
      Location:1526
      PLN02784; alpha-amylase
      pfam01326
      Location:10911398
      PPDK_N; Pyruvate phosphate dikinase, PEP/pyruvate binding domain