Gene: AT4G31300 (Arabidopsis thaliana)

Overview top

Gene Identifier
Transcript Identifier
Gene Type
Coding gene
4 : 15188927-15190935 : positive


Gene family
(27 genes in 16 species)
specific family

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N-terminal nucleophile aminohydrolases (Ntn hydrolases) superfamily protein
Curated Summary
Encodes 20S proteasome subunit PBA1 (PBA1). PBA1 acts as a plant caspase-3-like enzyme.
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Identifier Name





Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0006511TASGene Ontologyubiquitin-dependent protein catabolic process1
GO:0009651IEP, RCAGene Ontologyresponse to salt stress1 2
GO:0010363IMPGene Ontologyregulation of plant-type hypersensitive response1
GO:0010043IEPGene Ontologyresponse to zinc ion1
GO:0006096RCAGene Ontologyglycolysis1
GO:0006635RCAGene Ontologyfatty acid beta-oxidation1
GO:0006833RCAGene Ontologywater transport1
GO:0006972RCAGene Ontologyhyperosmotic response1
GO:0007030RCAGene OntologyGolgi organization1
GO:0009266RCAGene Ontologyresponse to temperature stimulus1
GO:0009407RCAGene Ontologytoxin catabolic process1
GO:0043161RCAGene Ontologyproteasome-mediated ubiquitin-dependent protein catabolic process1
GO:0043248RCAGene Ontologyproteasome assembly1
GO:0046686RCAGene Ontologyresponse to cadmium ion1
GO:0051788RCAGene Ontologyresponse to misfolded protein1
GO:0080129RCAGene Ontologyproteasome core complex assembly1
GO:0051603IEAUniProtproteolysis involved in cellular protein catabolic process1 2 3 4 5 6 7

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0008233IMP, ISSGene Ontologypeptidase activity1 2
GO:0004298IEAUniProtthreonine-type endopeptidase activity1 2 3 4 5 6 7
GO:0004175IEAInterProendopeptidase activity
GO:0070003IEAPLAZA Homologythreonine-type peptidase activityHOM03M003229

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0005737IEA, ISMUniProtcytoplasm1 2 3 4 5 6 7 8
GO:0005773IDAGene Ontologyvacuole1
GO:0005774IDAGene Ontologyvacuolar membrane1
GO:0000502IDAGene Ontologyproteasome complex1
GO:0005829IDAGene Ontologycytosol1
GO:0005839IEA, TASUniProtproteasome core complex1 2 3 4 5 6 7 8
GO:0005634IEAUniProtnucleus1 2 3 4 5 6 7

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR000243Peptidase T1A, proteasome beta-subunit
IPR023333Proteasome B-type subunit
IPR016050Proteasome beta-type subunit, conserved site
IPR001353Proteasome, subunit alpha/beta

Mapman id Description
No SignalP domains detected for this gene.