DB identifier
|
AT1G09100 | Secondary Identifier
|
locus:2036099 |
| Name
|
26S proteasome AAA-ATPase subunit RPT5B | Brief Description | 26S proteasome AAA-ATPase subunit RPT5B |
| TAIR Computational Description | 26S proteasome AAA-ATPase subunit RPT5B;(source:Araport11) |
| TAIR Curator Summary | Encodes RPT5b (Regulatory Particle 5b), one of the six AAA-ATPases of the proteasome regulatory particle. Essential for gametophyte development. In Arabidopsis, the RPT5 subunit is encoded by two highly homologous genes, RPT5a and RPT5b. RPT5a and RPT5b show accession-dependent functional redundancy. In Wassilewskija (Ws) accession: mutant alleles of RPT5a displayed 50% pollen lethality, indicating that RPT5a is essential for male gametophyte development. In the Columbia (Col) accession, a rpt5a mutant allele did not display such a phenotype because the RPT5b Col allele complements the rpt5a defect in the male gametophyte, whereas the RPT5b Ws allele does not. Double rpt5a rpt5b mutants in Col background showed a complete male and female gametophyte lethal phenotype. |
| TAIR Short Description | 26S proteasome AAA-ATPase subunit RPT5B |
| TAIR Aliases | RPT5B |
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