Host Protein General Information (ID: PT0012)
  Protein Name
26S proteasome regulatory subunit RPN11 (POH1)
  Gene Name
PSMD14
  Host Species
Homo sapiens
  Uniprot Entry Name
PSDE_HUMAN
  Protein Families
Peptidase M67A family
  EC Number
3.4.19.-
  External Link
NCBI Gene ID
10213
Uniprot ID
O00487
Ensembl ID
ENSG00000115233
HGNC ID
HGNC:16889
  Function in Host
Component of the 26S proteasome, a multiprotein complexinvolved in the ATP-dependent degradation of ubiquitinated proteins. This complex plays a key role in the maintenance of protein homeostasisby removing misfolded or damaged proteins, which could impair cellularfunctions, and by removing proteins whose functions are no longerrequired. Therefore, the proteasome participates in numerous cellularprocesses, including cell cycle progression, apoptosis, or DNA damagerepair. The PSMD14 subunit is a metalloprotease that specificallycleaves 'Lys-63'-linked polyubiquitin chains within the complex. Playsa role in response to double-strand breaks (DSBs) : acts as a regulatorof non-homologous end joining (NHEJ) by cleaving 'Lys-63'-linkedpolyubiquitin, thereby promoting retention of JMJD2A/KDM4A on chromatinand restricting TP53BP1 accumulation. Also involved in homologousrecombination repair by promoting RAD51 loading.
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  Related KEGG Pathway
Epstein-Barr virus infection hsa05169            Pathway Map 
Proteasome hsa03050            Pathway Map 
Alzheimer disease hsa05010            Pathway Map 
Parkinson disease hsa05012            Pathway Map 
Amyotrophic lateral sclerosis hsa05014            Pathway Map 
Huntington disease hsa05016            Pathway Map 
Spinocerebellar ataxia hsa05017            Pathway Map 
Prion disease hsa05020            Pathway Map 
Pathways of neurodegeneration - multiple diseases hsa05022            Pathway Map 
  3D Structure

Function of This Protein During Virus Infection
Virus NameSARS-COV-2 Protein Function Pro-viral [1]
Infected TissueLung Infection Time7-9 Days
Infected CellCalu-3 Cells (Human epithelial cell line) Cellosaurus IDCVCL_0609 
Method DescriptionTo detect the role of host protein PSMD14 in viral infection, PSMD14 protein knockout Calu-3 Cells were infected with SARS-COV-2 for 7 - 9 Days , and the effects on infection was detected through CRISPR-based genome-wide gene-knockout screen.
ResultsIt is reported that knockout of PSMD14 leads to the decreased SARS-CoV-2 RNA levels compared with control group.

 Full List of Virus RNA Interacting with This Protien
            RNA Region: Not Specified Virus Region (hCoV-19/USA/WA1/2020 )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [2]
              Strains Name
hCoV-19/USA/WA1/2020
              Strains Family
Alpha (B.1.1.7)
              RNA Binding Region
Not Specified Virus Region
              Virus Name
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
              Infection Cells Huh7.5 cells (Hepatocyte derived cellular carcinoma cell)  (CVCL_7927 )
              Cell Originated Tissue Liver
              Method Description comprehensive identification of RNA-binding proteins by massspectrometry (ChIRP-MS)

Differential Gene Expression During SARS-COV-2 Infection
GEO Accession: GSE152641
Sample Type: Blood
Samples Details: Healthy Control: 24; COVID-19: 62
Platform: GPL24676 Illumina NovaSeq 6000
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GEO Accession: GSE162835
Sample Type: Nasopharyngeal Swabs
Samples Details: COVID-19 (Mild Symptoms): 37; COVID-19 (Moderate Symptoms): 10; COVID-19 (Severe Symptoms): 3
Platform: GPL24676 Illumina NovaSeq 6000
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GEO Accession: GSE175779
Sample Type: Human Bronchial Epithelial Cells
Samples Details: Healthy Control: 4 (0, 24, 48, 72 and 96 h); COVID-19: 4 (24, 48, 72 and 96 h)
Platform: GPL18573 Illumina NextSeq 500
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Protein Sequence Information
MDRLLRLGGGMPGLGQGPPTDAPAVDTAEQVYISSLALLKMLKHGRAGVPMEVMGLMLGEFVDDYTVRVIDVFAMPQSGTGVSVEAVDPVFQAKMLDMLKQTGRPEMVVGWYHSHPGFGCWLSGVDINTQQSFEALSERAVAVVVDPIQSVKGKVVIDAFRLINANMMVLGHEPRQTTSNLGHLNKPSIQALIHGLNRHYYSITINYRKNELEQKMLLNLHKKSWMEGLTLQDYSEHCKHNESVVKEMLELAKNYNKAVEEEDKMTPEQLAIKNVGKQDPKRHLEEHVDVLMTSNIVQCLAAMLDTVVFK
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References
1 Genome-wide CRISPR screens identify GATA6 as a proviral host factor for SARS-CoV-2 via modulation of ACE2. Nat Commun. 2022 Apr 25;13(1):2237.
2 Discovery and functional interrogation of SARS-CoV-2 RNA-host protein interactions. Cell. 2021 Apr 29;184(9):2394-2411.e16.