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Gene : GRP17 A. thaliana
DB identifier  ? AT5G07530 Secondary Identifier  ? locus:2183384
Name  ? glycine rich protein 17 Brief Description  glycine rich protein 17
TAIR Computational Description  glycine rich protein 17;(source:Araport11)
TAIR Curator Summary  encodes a glycine-rich protein that has oleosin domain and is expressed specifically during flower stages 10 to 12. Protein is found on mature pollen coat.
TAIR Short Description  glycine rich protein 17
TAIR Aliases  ATGRP-7, ATGRP17, GRP17
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1 Gene Rifs

1 Organism

18 Publications

0 Synonyms

Genomics

Genome feature

Region: gene ? Length: 2145  
Location: Chr5:2382381-2384525 reverse strand

Gene models - GRP17 AT5G07530

? Gene models

Transcripts: 3  Exons: 8  Introns: 5 

Overlapping Features

? Genome features that overlap coordinates of this Gene

CDSs: 8, Exons: 7, Five Prime UTRs: 2, mRNAs: 3, Three Prime UTRs: 3
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10 Child Features

1 Cross References

1 Downstream Intergenic Region

0 Located Features

1 Upstream Intergenic Region

Proteins

Show proteins
Curated comments from UniProt

Type Comment Proteins
GRP17_ARATH-2 GRP17_ARATH developmental stage Mostly expressed in anthers at the later stage of flower development until tapetum degeneration (PubMed:23602096, PubMed:8220457). In flowers, present in the anther tapetum early in anther development and later in the pollen coat (PubMed:11929861, PubMed:26305561). Upon tapetum degeneration, associated with tapetosomal debris 'in transit' to the pollen cell wall in the anther locule (PubMed:23602096, PubMed:26305561). Translocates from the pollen coat at exine cavities to the site of contact between the pollen grain and a papillar cell, called 'foot', 10 minutes after pollen landing; the pollen tube elongation initiates later (about 20 minutes after pollination) at the foot (PubMed:26305561).
GRP17_ARATH-2 GRP17_ARATH function Lipid-binding oleosin pollen coat protein required to mediate pollen recognition by stigma cells and subsequent pollen hydration (PubMed:10655594, PubMed:20033440, PubMed:26305561). Involved in anther tapetum development, especially for the physiology of tapetosomes (PubMed:26305561). Also implicated in the formation of pollen coat (PubMed:26305561).
GRP17_ARATH-2 GRP17_ARATH A0A1P8BDM8_ARATH similarity Belongs to the oleosin family.
GRP17_ARATH-2 GRP17_ARATH subcellular location Surface of oil bodies (By similarity). Oleosins exist at a monolayer lipid/water interface (By similarity). Associated with discrete organelles (e.g. granules of 1-5 um in diameter) within the anther tapetum called tapetosomes and with a network of structures previously described as fibrils or 'strings of beads' (PubMed:23602096, PubMed:26305561).
GRP17_ARATH-2 GRP17_ARATH tissue specificity Flower specific, especially in anther tapetum, pollen (at protein level) and flowers florets.

3 Proteins

Function

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Interactions

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Expression

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Homology

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0 Homologues

 

Other

8 Data Sets






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