Host Protein General Information (ID: PT0310)
  Protein Name
Cyclin-K (CCNK)
  Gene Name
CCNK
  Host Species
Homo sapiens
  Uniprot Entry Name
CCNK_HUMAN
  Protein Families
Cyclin family
  Subcellular Location
Nucleus
  External Link
NCBI Gene ID
8812
Uniprot ID
O75909
Ensembl ID
ENSG00000090061
HGNC ID
HGNC:1596
  Function in Host
Regulatory subunit of cyclin-dependent kinases that mediatesactivation of target kinases. Plays a role in transcriptionalregulation via its role in regulating the phosphorylation of the C-terminal domain (CTD) of the large subunit of RNA polymerase II (POLR2A). [1-3]
    Click to Show/Hide
  3D Structure

Host Protein - Virus RNA Network

 Full List of Virus RNA Interacting with This Protien
            RNA Region: 3'-UTR (hCoV-19/Wuhan-Hu-1/2019 )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [4]
              Strains Name
hCoV-19/Wuhan-Hu-1/2019
              Strains Family
Beta (B.1.351)
              RNA Binding Region
3'-UTR
              Virus Name
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
              Infection Cells HEK293 Cells (Human embryonic kidney cell)  (CVCL_0045 )
              Cell Originated Tissue Liver
              Infection Time 48 h
              Interaction Score Prot score = 22
              Method Description RNA-protein interaction detection (RaPID) assay; liquid chromatography with tandem mass spectrometry (LC-MS/MS)
           RNA Region: ORF10 (hCoV-19/Not Specified Virus Strain )
              RNA Region Details RNA Info Click to show the detail information of this RNA binding region [5]
              Strains Name
hCoV-19/Not Specified Virus Strain
              RNA Binding Region
ORF10
              Virus Name
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
              Infection Cells Calu-3 cells (Human Lung Cancer Cell) Calu-3 cells (Human Lung Cancer Cell)  (CVCL_0609 )
              Cell Originated Tissue Liver
              Interaction Score P-value < 0.05
              Method Description RNA pull-down assays; liquid chromatography with tandem mass spectrometry (LC-MS/MS); Wilcoxon test; MS2 affinity purification coupled with liquid chromatography-mass spectrometry (MAMS)

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
Picture Not Found

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
Picture Not Found

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
Picture Not Found

Protein Phosphorylation after Virus Infection
S324 [6]
Picture Not Found
S328 [6]
Picture Not Found
S329 [6]
Picture Not Found
S340 [6]
Picture Not Found
S9 [6]
Picture Not Found

Protein Sequence Information
MKENKENSSPSVTSANLDHTKPCWYWDKKDLAHTPSQLEGLDPATEARYRREGARFIFDVGTRLGLHYDTLATGIIYFHRFYMFHSFKQFPRYVTGACCLFLAGKVEETPKKCKDIIKTARSLLNDVQFGQFGDDPKEEVMVLERILLQTIKFDLQVEHPYQFLLKYAKQLKGDKNKIQKLVQMAWTFVNDSLCTTLSLQWEPEIIAVAVMYLAGRLCKFEIQEWTSKPMYRRWWEQFVQDVPVDVLEDICHQILDLYSQGKQQMPHHTPHQLQQPPSLQPTPQVPQVQQSQPSQSSEPSQPQQKDPQQPAQQQQPAQQPKKPSPQPSSPRQVKRAVVVSPKEENKAAEPPPPKIPKIETTHPPLPPAHPPPDRKPPLAAALGEAEPPGPVDATDLPKVQIPPPAHPAPVHQPPPLPHRPPPPPPSSYMTGMSTTSSYMSGEGYQSLQSMMKTEGPSYGALPPAYGPPAHLPYHPHVYPPNPPPPPVPPPPASFPPPAIPPPTPGYPPPPPTYNPNFPPPPPRLPPTHAVPPHPPPGLGLPPASYPPPAVPPGGQPPVPPPIPPPGMPPVGGLGRAAWMR
    Click to Show/Hide

References
1 Transcriptional activity and substrate recognition of cyclin T2 from P-TEFb. Gene. 2004 Dec 8;343(1):173-9.
2 7SK small nuclear RNA binds to and inhibits the activity of CDK9/cyclin T complexes. Nature. 2001 Nov 15;414(6861):322-5.
3 Identification of multiple cyclin subunits of human P-TEFb. Genes Dev. 1998 Mar 1;12(5):755-62.
4 RNA-Protein Interaction Analysis of SARS-CoV-2 5 and 3 Untranslated Regions Reveals a Role of Lysosome-Associated Membrane Protein-2a during Viral Infection. mSystems. 2021 Aug 31;6(4):e0064321.
5 Mapping the host protein interactome of non-coding regions in SARS-CoV-2 genome. bioRxiv. 2021 Jun; DOI:10.1101/2021.06.19.449092.
6 Multilevel proteomics reveals host perturbations by SARS-CoV-2 and SARS-CoV. Nature. 2021 Jun;594(7862):246-252.