Gene Gene information from NCBI Gene database.
Entrez ID 5720
Gene name Proteasome activator subunit 1
Gene symbol PSME1
Synonyms (NCBI Gene)
HEL-S-129mIFI5111PA28APA28alphaREGalpha
Chromosome 14
Chromosome location 14q12
Summary The 26S proteasome is a multicatalytic proteinase complex with a highly ordered structure composed of 2 complexes, a 20S core and a 19S regulator. The 20S core is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits a
miRNA miRNA information provided by mirtarbase database.
32
miRTarBase ID miRNA Experiments Reference
MIRT023950 hsa-miR-1-3p Proteomics 18668040
MIRT029951 hsa-miR-26b-5p Microarray 19088304
MIRT045261 hsa-miR-186-5p CLASH 23622248
MIRT043440 hsa-miR-331-3p CLASH 23622248
MIRT043135 hsa-miR-324-5p CLASH 23622248
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
14
GO ID Ontology Definition Evidence Reference
GO:0000502 Component Proteasome complex IEA
GO:0000502 Component Proteasome complex TAS 8811196
GO:0005515 Function Protein binding IPI 16189514, 32296183, 32814053, 33961781, 35271311
GO:0005654 Component Nucleoplasm IBA
GO:0005737 Component Cytoplasm IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
600654 9568 ENSG00000092010
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q06323
Protein name Proteasome activator complex subunit 1 (11S regulator complex subunit alpha) (REG-alpha) (Activator of multicatalytic protease subunit 1) (Interferon gamma up-regulated I-5111 protein) (IGUP I-5111) (Proteasome activator 28 subunit alpha) (PA28a) (PA28alp
Protein function Implicated in immunoproteasome assembly and required for efficient antigen processing. The PA28 activator complex enhances the generation of class I binding peptides by altering the cleavage pattern of the proteasome.
PDB 1AVO , 7DR6 , 7DRW , 7NAO , 7NAP , 8CXB
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02251 PA28_alpha 8 68 Proteasome activator pa28 alpha subunit Family
PF02252 PA28_beta 103 247 Proteasome activator pa28 beta subunit Family
Sequence
Sequence length 249
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Proteasome
Antigen processing and presentation
  Activation of NF-kappaB in B cells
Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha
Cross-presentation of soluble exogenous antigens (endosomes)
Autodegradation of Cdh1 by Cdh1:APC/C
SCF-beta-TrCP mediated degradation of Emi1
APC/C:Cdc20 mediated degradation of Securin
APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1
Cdc20:Phospho-APC/C mediated degradation of Cyclin A
Vpu mediated degradation of CD4
Vif-mediated degradation of APOBEC3G
SCF(Skp2)-mediated degradation of p27/p21
Degradation of beta-catenin by the destruction complex
Downstream TCR signaling
Separation of Sister Chromatids
FCERI mediated NF-kB activation
Autodegradation of the E3 ubiquitin ligase COP1
Regulation of ornithine decarboxylase (ODC)
ABC-family proteins mediated transport
AUF1 (hnRNP D0) binds and destabilizes mRNA
Asymmetric localization of PCP proteins
Degradation of AXIN
Degradation of DVL
Hedgehog ligand biogenesis
Hh mutants that don't undergo autocatalytic processing are degraded by ERAD
Dectin-1 mediated noncanonical NF-kB signaling
CLEC7A (Dectin-1) signaling
Degradation of GLI1 by the proteasome
GLI3 is processed to GLI3R by the proteasome
Hedgehog 'on' state
Regulation of RAS by GAPs
TNFR2 non-canonical NF-kB pathway
NIK-->noncanonical NF-kB signaling
Defective CFTR causes cystic fibrosis
MAPK6/MAPK4 signaling
UCH proteinases
Ub-specific processing proteases
CDT1 association with the CDC6:ORC:origin complex
Orc1 removal from chromatin
CDK-mediated phosphorylation and removal of Cdc6
G2/M Checkpoints
Ubiquitin Mediated Degradation of Phosphorylated Cdc25A
Ubiquitin-dependent degradation of Cyclin D
The role of GTSE1 in G2/M progression after G2 checkpoint
FBXL7 down-regulates AURKA during mitotic entry and in early mitosis
RUNX1 regulates transcription of genes involved in differentiation of HSCs
Regulation of RUNX2 expression and activity
Regulation of RUNX3 expression and activity
Regulation of PTEN stability and activity
Neddylation
Interleukin-1 signaling
Antigen processing: Ubiquitination & Proteasome degradation
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
13
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Adrenocortical carcinoma, hereditary Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CARCINOMA CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cervical cancer Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Clear cell carcinoma of kidney Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Alzheimer Disease Alzheimer disease Pubtator 39392298 Associate
★☆☆☆☆
Found in Text Mining only
Anaplastic carcinoma Anaplastic Carcinoma CTD_human_DG 16316942
★☆☆☆☆
Found in Text Mining only
Arthritis Gouty Gouty arthritis Pubtator 39511617 Associate
★☆☆☆☆
Found in Text Mining only
Arthritis Rheumatoid Rheumatoid arthritis Pubtator 34812532 Stimulate
★☆☆☆☆
Found in Text Mining only
Arthritis Rheumatoid Rheumatoid arthritis Pubtator 39342401 Associate
★☆☆☆☆
Found in Text Mining only
Autoimmune Diseases Autoimmune Diseases BEFREE 16414974
★☆☆☆☆
Found in Text Mining only
Autoimmune Diseases of the Nervous System Autoimmune nervous system disorder Pubtator 16414974 Associate
★☆☆☆☆
Found in Text Mining only
Carcinoma Carcinoma CTD_human_DG 16316942
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Carcinoma, Spindle-Cell Carcinoma CTD_human_DG 16316942
★☆☆☆☆
Found in Text Mining only
Childhood Acute Lymphoblastic Leukemia Lymphoblastic Leukemia BEFREE 28585036
★☆☆☆☆
Found in Text Mining only