Q9M1L7 · PRK3_ARATH

Function

function

Receptor-like kinase involved in the control of pollen germination and pollen tube polar growth (PubMed:23024212).
Can phosphorylate ROPGEF1 in vitro (PubMed:23024212).

Catalytic activity

Activity regulation

The phosphorylation activity is calcium-independent.

Features

Showing features for binding site.

TypeIDPosition(s)Description
Binding site364-372ATP (UniProtKB | ChEBI)
Binding site386ATP (UniProtKB | ChEBI)

GO annotations

AspectTerm
Cellular Componentmembrane
Cellular Componentplasmodesma
Molecular FunctionATP binding
Molecular Functionprotein serine kinase activity
Molecular Functionprotein serine/threonine kinase activity
Biological Processregulation of pollen tube growth

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    Pollen receptor-like kinase 3
  • EC number
  • Short names
    AtPRK3

Gene names

    • Name
      PRK3
    • ORF names
      F18P9.40
    • Ordered locus names
      At3g42880

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
    Q9M1L7

Proteomes

Organism-specific databases

Genome annotation databases

Subcellular Location

Membrane
; Single-pass membrane protein

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane249-269Helical

Keywords

PTM/Processing

Features

Showing features for signal, chain, glycosylation, disulfide bond, modified residue.

TypeIDPosition(s)Description
Signal1-19
ChainPRO_000043192420-633Pollen receptor-like kinase 3
Glycosylation22N-linked (GlcNAc...) asparagine
Glycosylation37N-linked (GlcNAc...) asparagine
Disulfide bond53↔62
Glycosylation123N-linked (GlcNAc...) asparagine
Disulfide bond224↔232
Glycosylation246N-linked (GlcNAc...) asparagine
Modified residue438Phosphoserine
Modified residue458Phosphothreonine
Modified residue535Phosphoserine

Keywords

Proteomic databases

PTM databases

Expression

Tissue specificity

Expressed in pollen and/or in flowers, but not in leaves.

Gene expression databases

Interaction

Subunit

Interacts in vitro with ROPGEF1 (via PRONE domain) (PubMed:23024212).
Interacts with PRK6 (PubMed:26961657).

Protein-protein interaction databases

Family & Domains

Features

Showing features for repeat, compositional bias, region, domain.

TypeIDPosition(s)Description
Repeat90-115LRR 1
Repeat117-137LRR 2
Repeat138-162LRR 3
Repeat163-186LRR 4
Repeat188-210LRR 5
Compositional bias294-318Basic and acidic residues
Region294-339Disordered
Domain358-633Protein kinase

Domain

The protein kinase domain may be catalytically impaired due to the lack of the conserved Asp active site at position 486, which is replaced by a Asn residue.

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.
  • Length
    633
  • Mass (Da)
    70,249
  • Last updated
    2000-10-01 v1
  • Checksum
    D3A1859FF9E02169
MTAVLFLCFLLICFSFTPSLQNVSESEPLVRFKRSVNITKGDLNSWRTGTDPCNGKWFGIYCQKGQTVSGIHVTRLGLSGTINIEDLKDLPNLRTIRLDNNLLSGPLPPFFKLPGLKSLLLSNNSFSGEIADDFFKETPQLKRVFLDNNRLSGKIPASLMQLAGLEELHMQGNQFTGEIPPLTDGNKVLKSLDLSNNDLEGEIPITISDRKNLEMKFEGNQRLCGSPLNIECDEKPSSTGSGNEKNNTAKAIFMVILFLLIFLFVVAIITRWKKKRQPEFRMLGKDHLSDQESVEVRVPDSIKKPIDSSKKRSNAEGSSKKGSSHNGKGAGGGPGSGMGDIIMVNSEKGSFGLPDLMKAAAEVLGNGSLGSAYKAVMANGLSVVVKRIRDMNKLAREAFDTEMQRFGKLRHPNVLTPLAYHYRREEKLVVSEYMPKSSLLYVLHGDRGVYHSELTWATRLKIIQGVARGMDFLHEEFASYDLPHGNLKSSNVLLSETYEPLISDYAFLPLLQPNNASQALFAFKSPEFVQNQQVSPKSDVYCLGIIVLEVMTGKFPSQYLNTGKGGTDIVEWVQSSIAQHKEEELIDPEIASNTDSIKQMVELLRIGAACIASNPNERQNMKEIVRRIERVTL

Features

Showing features for compositional bias.

TypeIDPosition(s)Description
Compositional bias294-318Basic and acidic residues

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
AL138654
EMBL· GenBank· DDBJ
CAB86675.1
EMBL· GenBank· DDBJ
Genomic DNA
CP002686
EMBL· GenBank· DDBJ
AEE77758.1
EMBL· GenBank· DDBJ
Genomic DNA
DQ446723
EMBL· GenBank· DDBJ
ABE65985.1
EMBL· GenBank· DDBJ
mRNA
FJ708731
EMBL· GenBank· DDBJ
ACN59326.1
EMBL· GenBank· DDBJ
mRNA

Genome annotation databases

Similar Proteins

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