PSMD1

protein-coding

proteasome 26S subunit, non-ATPase 1, the group of Proteasome|Armadillo like helical domain containing

Gene 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 and 2 rings are composed of 7 beta subunits. The 19S regulator is composed of a base, which contains 6 ATPase subunits and 2 non-ATPase subunits, and a lid, which contains up to 10 non-ATPase subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes the largest non-ATPase subunit of the 19S regulator lid, which is responsible for substrate recognition and binding. There is evidence that this proteasome and its subunits interact with viral proteins, including those of coronaviruses. Alternatively spliced transcript variants have been found for this gene.[provided by RefSeq, Aug 2020]

MANE transcript

NM_002807.4

Inheritance

—

ClinVar variants

U:65B:2

Top phenotype

Bardet-Biedl syndrome

gnomAD constraint

pLI —, LoF o/e 0.04

Max pathogenic AF

—

Genomic locus

chr2:231,056,845-231,173,116

External References & Databases

Transcript & Mutation Effects

hg38 • Region Span ~116.3 kb
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GenCC Phenotypes & Disease Associations

Curated gene-disease validity assertions and inheritance patterns

No GenCC data available for this gene.

ClinVar Associated Diseases & Phenotypes

Reported disease conditions connected to PSMD1 variants in ClinVar

3 Conditions Cataloged
not specifiedTotal: 114
not providedTotal: 13
Bardet-Biedl syndromeTotal: 1

ClinVar Variants & Pathogenicity by Type

Statistics based on transcript NM_002807.4. Only rare variants are included.

We include only reliable ClinVar variants with their consequences to MANE Select, MANE Plus Clinical transcripts, or transcripts with TSL equal to 1. Click a count to filter the variants table below.

Slight differences between displayed counts and ClinVar may occur due to a different transcript/consequence chosen by our variant effect predictor, or because we classify Benign/Likely benign as Likely benign and Pathogenic/Likely pathogenic as Likely pathogenic.

EffectPLPVUSLBBSum
synonymous
2
clinvar
1
clinvar
1
clinvar
4
missense
57
clinvar
57
nonsense
1
clinvar
1
start loss
0
frameshift
1
clinvar
1
splice donor/acceptor (+/-2bp)
4
clinvar
4
Total00651167
Loading ClinVar variants...

Transcript Catalog

Annotated transcript isoforms across RefSeq and Ensembl databases

Showing 4 of 62 transcripts
Transcript IDSourceProtein IDCoding ExonsMANE Status
NM_002807.4RefSeqNP_002798.224MANE Select
ENST00000308696.11EnsemblENSP00000309474.624MANE Select
NM_001191037.2RefSeqNP_001177966.123Standard
ENST00000373635.10EnsemblENSP00000362738.423Standard

Gene Ontology (GO) Annotations & Pathways

Biological processes, molecular functions, cellular components and pathways

Pathways ConsensusPathDB

  • Epstein-Barr virus infection - Homo sapiens (human)
  • Proteasome - Homo sapiens (human)
  • Proteasome Degradation
  • Parkin-Ubiquitin Proteasomal System pathway
  • TLR NFkB

Biological Process

  • protein deubiquitination
  • regulation of protein catabolic process
  • proteasome-mediated ubiquitin-dependent protein catabolic process
  • neutrophil degranulation
  • post-translational protein modification

Molecular Function

  • endopeptidase activity
  • protein binding
  • enzyme regulator activity
  • ubiquitin protein ligase binding

Cellular Component

  • proteasome complex
  • extracellular region
  • nucleus
  • nucleoplasm
  • cytosol

gnomAD Constraint

Source: gnomAD

Gene type
protein_coding
Transcript type
protein_coding
Transcript
ENST00000308696
Coding exons
24
Length
115964
Individuals with no LoFs
125743
Homozygous LoFs
0
Heterozygous LoFs
3
Defined
125746
p
0.0000119
Z-ScoreObservedExpectedObserved/ExpectedMutation RateTotal Possible
Missense3.702715050.5370.00002546279
Missense (PolyPhen)43143.10.300491705
Synonymous0.5941701800.9440.000009601788
Loss of Function6.50253.20.03760.00000290652

Population LoF Frequency

PopulationCAFp-valueStatus
African0.0000620.000062rare
Latino/Admixed American0.0000310.000029rare
Ashkenazi Jewish00.0absent
East Asian0.0000550.000054rare
Finnish00.0absent
European (Non-Finnish)00.0absent
South Asian00.0absent
Other00.0absent

dbNSFP Gene Annotations

Source: dbNSFP

Function
FUNCTION: Component of the 26S proteasome, a multiprotein complex involved in the ATP-dependent degradation of ubiquitinated proteins. This complex plays a key role in the maintenance of protein homeostasis by removing misfolded or damaged proteins, which could impair cellular functions, and by removing proteins whose functions are no longer required. Therefore, the proteasome participates in numerous cellular processes, including cell cycle progression, apoptosis, or DNA damage repair. {ECO:0000269|PubMed:1317798}.;

Recessive Scores

pRec
0.150

Intolerance Scores

LoFtool
0.0787
RVIS EVS
-0.38
RVIS percentile EVS
27.88

Essentials

Essential (CRISPR)
E
Essential (CRISPR2)
E
Essential (gene trap)
E
Indispensability pred.
E
Indispensability score
0.984

Gene Damage Prediction

AllRecessiveDominant
MendelianMediumMediumMedium
Primary ImmunodeficiencyMediumMediumMedium
CancerMediumMediumMedium
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