Details for: CBX5

Gene ID: 23468

Gene Type:  Protein-coding  - A gene that serves as a template for producing a messenger RNA (mRNA) molecule, which is then translated into a functional protein.

Symbol: CBX5

Ensembl ID: ENSG00000094916

Description: chromobox 5

Cell Significance Landscape

Associated with

Significant Cells

Cell Significance Index (CSI) scores for the chosen context(s)

  • mesodermal cell CL0000222
    CSI 37.11
    rCSI 44.54%
    PRS 46.02
  • neural crest cell CL0011012
    CSI 36.13
    rCSI 28.56%
    PRS 35.7
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 34.33
    rCSI 39.64%
    PRS 42.19
  • peripheral nervous system neuron CL2000032
    CSI 33.25
    rCSI 45.3%
    PRS 41.09
  • bronchus fibroblast of lung CL2000093
    CSI 26.44
    rCSI 21.48%
    PRS 48.64
  • choroid plexus epithelial cell CL0000706
    CSI 24.73
    rCSI 40.5%
    PRS 38.5
  • retina horizontal cell CL0000745
    CSI 23.95
    rCSI 36.51%
    PRS 44.61
  • ciliated epithelial cell CL0000067
    CSI 18.64
    rCSI 16.39%
    PRS 37.05
  • radial glial cell CL0000681
    CSI 17.83
    rCSI 24.77%
    PRS 47.42
  • double negative thymocyte CL0002489
    CSI 17.73
    rCSI 12.32%
    PRS 57.17
  • fallopian tube secretory epithelial cell CL4030006
    CSI 17.63
    rCSI 16.97%
    PRS 48.38
  • fraction A pre-pro B cell CL0002045
    CSI 15.92
    rCSI 18.23%
    PRS 70.51
  • large pre-B-II cell CL0000957
    CSI 15.47
    rCSI 44.16%
    PRS 62.24
  • mesangial cell CL0000650
    CSI 14.74
    rCSI 60.08%
    PRS 59.31
  • common dendritic progenitor CL0001029
    CSI 14.38
    rCSI 18.05%
    PRS 57.97
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 14.33
    rCSI 20.31%
    PRS 44.85
  • forebrain radial glial cell CL0013000
    CSI 14.1
    rCSI 45.25%
    PRS 55.36
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 12.98
    rCSI 50.54%
    PRS 68.6
  • pro-B cell CL0000826
    CSI 12.72
    rCSI 10.53%
    PRS 49.25
  • pancreatic PP cell CL0002275
    CSI 11.8
    rCSI 46.95%
    PRS 63.36
  • melanocyte CL0000148
    CSI 10.96
    rCSI 8.12%
    PRS 41.49
  • enteric smooth muscle cell CL0002504
    CSI 10.73
    rCSI 15.32%
    PRS 50.63
  • BEST4+ enteroycte CL4030026
    CSI 10.14
    rCSI 12.61%
    PRS 50.62
  • myeloid dendritic cell CL0000782
    CSI 9.52
    rCSI 13.8%
    PRS 64.4
  • megakaryocyte CL0000556
    CSI 9.19
    rCSI 39.86%
    PRS 63.3
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 9.04
    rCSI 11.6%
    PRS 45.97
  • sncg GABAergic cortical interneuron CL4023015
    CSI 8.49
    rCSI 13.65%
    PRS 34.11
  • pulmonary alveolar type 1 cell CL0002062
    CSI 8.38
    rCSI 48.33%
    PRS 49.33
  • common myeloid progenitor CL0000049
    CSI 8.04
    rCSI 6.5%
    PRS 48.77
  • T follicular helper cell CL0002038
    CSI 7.48
    rCSI 5.6%
    PRS 62.71
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 7.26
    rCSI 6.56%
    PRS 44.68
  • renal alpha-intercalated cell CL0005011
    CSI 7.17
    rCSI 9.59%
    PRS 56.62
  • multi-ciliated epithelial cell CL0005012
    CSI 7.14
    rCSI 7.12%
    PRS 42.12
  • regular ventricular cardiac myocyte CL0002131
    CSI 6.92
    rCSI 43.23%
    PRS 40.46
  • alveolar type 1 fibroblast cell CL4028004
    CSI 6.73
    rCSI 7.38%
    PRS 51.94
  • paneth cell CL0000510
    CSI 6.47
    rCSI 9.55%
    PRS 65.56
  • primitive red blood cell CL0002355
    CSI 6.26
    rCSI 33.77%
    PRS 62.42
  • precursor B cell CL0000817
    CSI 6.06
    rCSI 5.31%
    PRS 57.91
  • lung pericyte CL0009089
    CSI 6
    rCSI 15.82%
    PRS 55.91
  • mesenchymal stem cell CL0000134
    CSI 5.85
    rCSI 64.03%
    PRS 63.75
  • astrocyte of the cerebral cortex CL0002605
    CSI 5.84
    rCSI 13.09%
    PRS 32.72
  • promyelocyte CL0000836
    CSI 5.79
    rCSI 8.35%
    PRS 57.91
  • colon epithelial cell CL0011108
    CSI 5.68
    rCSI 5.95%
    PRS 45.04
  • OFF-bipolar cell CL0000750
    CSI 5.64
    rCSI 7.71%
    PRS 57.5
  • intestine goblet cell CL0019031
    CSI 5.51
    rCSI 4.89%
    PRS 46.86
  • granulocyte monocyte progenitor cell CL0000557
    CSI 5.4
    rCSI 4.68%
    PRS 52.07
  • ciliated cell CL0000064
    CSI 5.39
    rCSI 8.73%
    PRS 46.26
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 5.37
    rCSI 4.3%
    PRS 69.37
  • epithelial cell of lung CL0000082
    CSI 5.34
    rCSI 4.43%
    PRS 46.64
  • erythrocyte CL0000232
    CSI 5.33
    rCSI 12.09%
    PRS 53.19
  • Mueller cell CL0000636
    CSI 5.21
    rCSI 11.88%
    PRS 41.29
  • enteric neuron CL0007011
    CSI 5.14
    rCSI 75.93%
    PRS 68.87
  • pancreatic acinar cell CL0002064
    CSI 4.74
    rCSI 6.3%
    PRS 53.1
  • fibroblast of lung CL0002553
    CSI 4.72
    rCSI 4.39%
    PRS 47.71
  • vascular associated smooth muscle cell CL0000359
    CSI 4.61
    rCSI 14.96%
    PRS 50.52
  • myofibroblast cell CL0000186
    CSI 4.57
    rCSI 6.33%
    PRS 52.33
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 4.46
    rCSI 13.16%
    PRS 52.01
  • pancreatic ductal cell CL0002079
    CSI 4.24
    rCSI 8.24%
    PRS 50.19
  • glioblast CL0000030
    CSI 4.22
    rCSI 6.73%
    PRS 41.71
  • secretory cell CL0000151
    CSI 4.2
    rCSI 4.38%
    PRS 48.51
  • intestinal tuft cell CL0019032
    CSI 4.2
    rCSI 6.41%
    PRS 52.82
  • perivascular cell CL4033054
    CSI 4.18
    rCSI 5.71%
    PRS 53.1
  • Langerhans cell CL0000453
    CSI 4.17
    rCSI 6.37%
    PRS 65.07
  • Kupffer cell CL0000091
    CSI 3.99
    rCSI 9.13%
    PRS 47.41
  • plasmablast CL0000980
    CSI 3.84
    rCSI 3.02%
    PRS 54.48
  • unswitched memory B cell CL0000970
    CSI 3.75
    rCSI 3.16%
    PRS 65.2
  • lung neuroendocrine cell CL1000223
    CSI 3.75
    rCSI 5.54%
    PRS 53.23
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 3.74
    rCSI 19.32%
    PRS 71.7
  • epithelial cell of lower respiratory tract CL0002632
    CSI 3.71
    rCSI 2.88%
    PRS 48.68
  • goblet cell CL0000160
    CSI 3.66
    rCSI 3.46%
    PRS 48.78
  • hematopoietic stem cell CL0000037
    CSI 3.59
    rCSI 2.39%
    PRS 51.65
  • early lymphoid progenitor CL0000936
    CSI 3.49
    rCSI 3.06%
    PRS 53.17
  • stromal cell of ovary CL0002132
    CSI 3.46
    rCSI 9.51%
    PRS 63.44
  • squamous epithelial cell CL0000076
    CSI 3.44
    rCSI 8.16%
    PRS 53.55
  • sst GABAergic cortical interneuron CL4023017
    CSI 3.41
    rCSI 4.39%
    PRS 32.89
  • plasmacytoid dendritic cell, human CL0001058
    CSI 3.31
    rCSI 2.31%
    PRS 49.97
  • alpha-beta T cell CL0000789
    CSI 3.3
    rCSI 3.86%
    PRS 63.77
  • chondrocyte CL0000138
    CSI 3.29
    rCSI 5.24%
    PRS 40.93
  • enteroendocrine cell CL0000164
    CSI 3.28
    rCSI 4.48%
    PRS 50.49
  • keratinocyte CL0000312
    CSI 3.26
    rCSI 2.73%
    PRS 52.88
  • epithelial cell CL0000066
    CSI 3.26
    rCSI 5.01%
    PRS 48.81
  • inhibitory interneuron CL0000498
    CSI 3.23
    rCSI 7.45%
    PRS 39.18
  • basal cell CL0000646
    CSI 3.2
    rCSI 4.28%
    PRS 49.35
  • IgG plasma cell CL0000985
    CSI 3.11
    rCSI 3.72%
    PRS 66.84
  • lung ciliated cell CL1000271
    CSI 3.1
    rCSI 3.58%
    PRS 38.21
  • basal cell of epidermis CL0002187
    CSI 3.06
    rCSI 5.43%
    PRS 28.93
  • skin fibroblast CL0002620
    CSI 3
    rCSI 2.59%
    PRS 56.04
  • hepatic stellate cell CL0000632
    CSI 2.98
    rCSI 11.15%
    PRS 40.94
  • cardiac neuron CL0010022
    CSI 2.9
    rCSI 9.29%
    PRS 44.99
  • mature B cell CL0000785
    CSI 2.89
    rCSI 2.51%
    PRS 57.72
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.86
    rCSI 5.45%
    PRS 64.95
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 2.81
    rCSI 10.63%
    PRS 32.87
  • stem cell CL0000034
    CSI 2.78
    rCSI 2.68%
    PRS 38.73
  • interstitial cell of Cajal CL0002088
    CSI 2.75
    rCSI 3.51%
    PRS 53.67
  • pancreatic A cell CL0000171
    CSI 2.73
    rCSI 2.86%
    PRS 51.2
  • erythroid progenitor cell CL0000038
    CSI 2.7
    rCSI 15.48%
    PRS 58.69
  • direct pathway medium spiny neuron CL4023026
    CSI 2.69
    rCSI 64.3%
    PRS 31.41
  • vascular leptomeningeal cell CL4023051
    CSI 2.66
    rCSI 4.66%
    PRS 40.4
  • erythroid lineage cell CL0000764
    CSI 2.63
    rCSI 16.91%
    PRS 69.01
  • midbrain dopaminergic neuron CL2000097
    CSI 2.62
    rCSI 16.79%
    PRS 53.3
  • acinar cell of salivary gland CL0002623
    CSI 0.1
    rCSI 3.2%
    PRS 70.6%
  • bronchiolar smooth muscle cell CL4033017
    CSI 0.3
    rCSI 3.7%
    PRS 71.4%
  • megakaryocyte progenitor cell CL0000553
    CSI 0.3
    rCSI 5.8%
    PRS 81.1%
  • P/D1 enteroendocrine cell CL0002268
    CSI 0.4
    rCSI 1.9%
    PRS 69.5%
  • endothelial cell of placenta CL0009092
    CSI 0.4
    rCSI 1.8%
    PRS 59.9%
  • late pro-B cell CL0002048
    CSI 0.4
    rCSI 1.0%
    PRS 77.7%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.4
    rCSI 2.9%
    PRS 67.5%
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 0.5
    rCSI 1.0%
    PRS 37.9%
  • cone retinal bipolar cell CL0000752
    CSI 0.5
    rCSI 5.9%
    PRS 69.1%
  • myelocyte CL0002193
    CSI 0.5
    rCSI 3.2%
    PRS 79.5%
  • H1 horizontal cell CL0004217
    CSI 0.5
    rCSI 2.0%
    PRS 49.7%
  • forebrain neuroblast CL1000042
    CSI 0.5
    rCSI 5.4%
    PRS 91.8%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.5
    rCSI 1.3%
    PRS 37.0%
  • retinal ganglion cell CL0000740
    CSI 0.5
    rCSI 1.2%
    PRS 36.0%
  • Hofbauer cell CL3000001
    CSI 0.6
    rCSI 1.0%
    PRS 58.5%
  • foveolar cell of stomach CL0002179
    CSI 0.6
    rCSI 1.2%
    PRS 62.5%
  • CD8-alpha-alpha-positive, alpha-beta intraepithelial T cell CL0000915
    CSI 0.6
    rCSI 2.6%
    PRS 81.5%
  • eosinophil CL0000771
    CSI 0.6
    rCSI 3.9%
    PRS 78.2%
  • pancreatic epsilon cell CL0005019
    CSI 0.6
    rCSI 2.8%
    PRS 70.1%
  • respiratory epithelial cell CL0002368
    CSI 0.6
    rCSI 3.8%
    PRS 82.0%
  • neuroplacodal cell CL0000032
    CSI 0.7
    rCSI 6.0%
    PRS 64.2%
  • basophil mast progenitor cell CL0002028
    CSI 0.7
    rCSI 3.6%
    PRS 83.6%
  • intermediate monocyte CL0002393
    CSI 0.7
    rCSI 1.0%
    PRS 50.4%
  • epithelial cell of nephron CL1000449
    CSI 0.7
    rCSI 6.8%
    PRS 85.9%
  • ventricular cardiac muscle cell CL2000046
    CSI 0.7
    rCSI 2.5%
    PRS 78.4%
  • erythroblast CL0000765
    CSI 0.7
    rCSI 2.0%
    PRS 61.3%
  • transitional stage B cell CL0000818
    CSI 0.8
    rCSI 2.6%
    PRS 78.7%
  • renal interstitial pericyte CL1001318
    CSI 0.8
    rCSI 2.2%
    PRS 44.5%
  • central nervous system neuron CL2000029
    CSI 0.8
    rCSI 6.1%
    PRS 35.9%
  • amacrine cell CL0000561
    CSI 0.8
    rCSI 2.4%
    PRS 39.2%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 0.9
    rCSI 2.5%
    PRS 50.2%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 0.9
    rCSI 2.3%
    PRS 56.8%
  • innate lymphoid cell CL0001065
    CSI 0.9
    rCSI 1.9%
    PRS 53.2%
  • mammary gland epithelial cell CL0002327
    CSI 0.9
    rCSI 3.2%
    PRS 63.0%
  • retinal cone cell CL0000573
    CSI 0.9
    rCSI 1.5%
    PRS 38.6%
  • cardiac muscle cell CL0000746
    CSI 1.0
    rCSI 1.4%
    PRS 39.1%
  • deuterosomal cell CL4033044
    CSI 1.0
    rCSI 3.2%
    PRS 56.8%
  • glial cell CL0000125
    CSI 1.0
    rCSI 3.7%
    PRS 41.0%
  • neuroendocrine cell CL0000165
    CSI 1.0
    rCSI 3.8%
    PRS 65.6%
  • GABAergic amacrine cell CL4030027
    CSI 1.0
    rCSI 3.4%
    PRS 39.0%
  • parietal epithelial cell CL1000452
    CSI 1.0
    rCSI 2.7%
    PRS 40.6%
  • pancreatic stellate cell CL0002410
    CSI 1.0
    rCSI 6.0%
    PRS 58.7%
  • type EC enteroendocrine cell CL0000577
    CSI 1.0
    rCSI 3.6%
    PRS 60.2%
  • mature alpha-beta T cell CL0000791
    CSI 1.0
    rCSI 3.7%
    PRS 67.3%
  • respiratory basal cell CL0002633
    CSI 1.0
    rCSI 1.1%
    PRS 53.9%
  • transit amplifying cell CL0009010
    CSI 1.0
    rCSI 1.6%
    PRS 63.9%
  • cerebral cortex endothelial cell CL1001602
    CSI 1.0
    rCSI 1.8%
    PRS 38.8%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.1
    rCSI 1.3%
    PRS 56.1%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 1.1
    rCSI 6.2%
    PRS 33.4%
  • natural T-regulatory cell CL0000903
    CSI 1.1
    rCSI 2.0%
    PRS 80.7%
  • muscle cell CL0000187
    CSI 1.1
    rCSI 2.2%
    PRS 69.5%
  • colon goblet cell CL0009039
    CSI 1.1
    rCSI 2.5%
    PRS 59.8%
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 1.1
    rCSI 2.6%
    PRS 66.4%
  • small intestine goblet cell CL1000495
    CSI 1.1
    rCSI 2.4%
    PRS 57.7%
  • conjunctival epithelial cell CL1000432
    CSI 1.1
    rCSI 1.7%
    PRS 48.6%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.1
    rCSI 1.8%
    PRS 52.1%
  • keratocyte CL0002363
    CSI 1.1
    rCSI 2.7%
    PRS 57.9%
  • cell of skeletal muscle CL0000188
    CSI 1.1
    rCSI 12.2%
    PRS 79.5%
  • renal principal cell CL0005009
    CSI 1.1
    rCSI 3.0%
    PRS 52.9%
  • neural progenitor cell CL0011020
    CSI 1.2
    rCSI 5.1%
    PRS 41.1%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.2
    rCSI 2.1%
    PRS 31.0%
  • lung secretory cell CL1000272
    CSI 1.2
    rCSI 3.0%
    PRS 46.0%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 1.2
    rCSI 3.8%
    PRS 35.6%
  • progenitor cell CL0011026
    CSI 1.2
    rCSI 2.6%
    PRS 51.1%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 1.2
    rCSI 3.1%
    PRS 38.4%
  • serous secreting cell CL0000313
    CSI 1.2
    rCSI 6.3%
    PRS 80.9%
  • type B pancreatic cell CL0000169
    CSI 1.3
    rCSI 2.8%
    PRS 45.5%
  • germinal center B cell CL0000844
    CSI 1.3
    rCSI 3.8%
    PRS 69.6%
  • nasal mucosa goblet cell CL0002480
    CSI 1.3
    rCSI 1.5%
    PRS 57.9%
  • glandular epithelial cell CL0000150
    CSI 1.3
    rCSI 3.4%
    PRS 70.2%
  • GABAergic neuron CL0000617
    CSI 1.3
    rCSI 4.3%
    PRS 35.8%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 1.3
    rCSI 4.0%
    PRS 33.2%
  • respiratory suprabasal cell CL4033048
    CSI 1.3
    rCSI 1.7%
    PRS 52.8%
  • granulocyte CL0000094
    CSI 1.3
    rCSI 2.0%
    PRS 57.3%
  • podocyte CL0000653
    CSI 1.3
    rCSI 5.8%
    PRS 46.9%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.4
    rCSI 3.9%
    PRS 66.2%
  • dendritic cell, human CL0001056
    CSI 1.4
    rCSI 2.1%
    PRS 55.4%
  • stromal cell CL0000499
    CSI 1.4
    rCSI 3.9%
    PRS 47.3%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 1.4
    rCSI 3.9%
    PRS 62.2%
  • small pre-B-II cell CL0000954
    CSI 1.4
    rCSI 1.4%
    PRS 71.9%
  • duct epithelial cell CL0000068
    CSI 1.4
    rCSI 2.1%
    PRS 51.3%
  • mononuclear phagocyte CL0000113
    CSI 1.4
    rCSI 3.2%
    PRS 52.1%
  • placental villous trophoblast CL2000060
    CSI 1.5
    rCSI 2.3%
    PRS 45.8%
  • Schwann cell CL0002573
    CSI 1.5
    rCSI 4.3%
    PRS 47.7%
  • regular atrial cardiac myocyte CL0002129
    CSI 1.5
    rCSI 4.9%
    PRS 47.1%
  • extravillous trophoblast CL0008036
    CSI 1.5
    rCSI 1.9%
    PRS 43.9%
  • retinal rod cell CL0000604
    CSI 1.5
    rCSI 2.7%
    PRS 46.1%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.6
    rCSI 1.9%
    PRS 30.3%
  • thymocyte CL0000893
    CSI 1.6
    rCSI 5.6%
    PRS 82.8%
  • tracheobronchial smooth muscle cell CL0019019
    CSI 1.6
    rCSI 2.8%
    PRS 56.3%
  • mucous neck cell CL0000651
    CSI 1.6
    rCSI 2.3%
    PRS 61.3%
  • hepatocyte CL0000182
    CSI 1.6
    rCSI 2.8%
    PRS 46.6%
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 1.6
    rCSI 1.6%
    PRS 61.4%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.6
    rCSI 1.9%
    PRS 31.8%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.7
    rCSI 3.0%
    PRS 41.5%
  • IgA plasma cell CL0000987
    CSI 1.7
    rCSI 1.7%
    PRS 65.8%
  • glutamatergic neuron CL0000679
    CSI 1.7
    rCSI 3.5%
    PRS 41.6%
  • rod bipolar cell CL0000751
    CSI 1.7
    rCSI 3.1%
    PRS 41.4%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 1.8
    rCSI 1.1%
    PRS 63.8%
  • intrahepatic cholangiocyte CL0002538
    CSI 1.8
    rCSI 4.3%
    PRS 63.2%

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this specific cell.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.
Network Configuration

Explore relationships of the current gene. Select an Interaction Source: 'ONTOLOGY' for shared pathways (GO/Reactome) or 'STRING' for protein-protein interactions. Further refine by selecting context genes and comparing Cell Significance Index (CSI) scores between baseline and target cell types and their specific contexts.

Comma-separated if multiple.
Comma-separated if multiple.

Legend:
  • Query Gene
  • Node Color (Target Cell CSI, relative to current network):
    • Very High
    • High
    • Medium
    • Low
    • Very Low
    • CSI N/A
  • Node Size: Proportional to Target Cell CSI magnitude
  • STRING PPI Edge
  • Shared Pathway Edge (ONTOLOGY)

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Other Information

This section provides additional information about the gene, including a description generated by an AI language model and details about associated proteins.

## Summary [CBX5](/details-gene/23468) (Chromobox 5) encodes the protein HP1-alpha (Heterochromatin Protein 1-alpha), a canonical non-histone chromosomal protein that functions as a structural adaptor and a key regulator of gene expression. It is a central component of facultative and constitutive heterochromatin. By recognizing and binding to histone H3 tails that are methylated on lysine 9 (H3K9me) ([Link](https://doi.org/10.1038/35065132)), [CBX5](/details-gene/23468) plays a critical role in establishing and maintaining transcriptionally silent chromatin domains, thereby ensuring genome stability and proper cell lineage specification. **Overall**, expression data indicate its high significance across a broad spectrum of cell types, including developmental progenitors like [mesodermal cell](/details-cell/CL0000222) and [neural crest cell](/details-cell/CL0011012), as well as various terminally differentiated cells, underscoring its fundamental role in cellular identity and function. ## Cellular Roles and Expression Landscape The expression profile of [CBX5](/details-gene/23468) highlights its foundational role in a wide variety of cellular contexts rather than being a marker for a specific lineage. Its high significance in early developmental cells such as [mesodermal cell](/details-cell/CL0000222) and [neural crest cell](/details-cell/CL0011012) suggests its involvement in establishing the epigenetic landscape during embryogenesis. Furthermore, its prominence in progenitor and developing cells across different systems, including the nervous system ([neuroblast (sensu Nematoda and Protostomia)](/details-cell/CL0000338), [peripheral nervous system neuron](/details-cell/CL2000032)) and the hematopoietic system ([double negative thymocyte](/details-cell/CL0002489), [fraction A pre-pro B cell](/details-cell/CL0002045), [common dendritic progenitor](/details-cell/CL0001029)), is consistent with a critical function in managing gene expression programs during differentiation. The gene also shows high significance in various differentiated epithelial and stromal cells, such as [choroid plexus epithelial cell](/details-cell/CL0000706), [bronchus fibroblast of lung](/details-cell/CL2000093), and [ciliated epithelial cell](/details-cell/CL0000067). This broad expression pattern indicates that beyond its developmental roles, [CBX5](/details-gene/23468) is essential for the continuous maintenance of lineage-specific gene silencing and chromatin architecture in mature tissues. The protein was originally identified using autoantibodies from patients with autoimmune disease, pointing to its clinical relevance from its initial discovery ([Link](https://doi.org/10.1242/jcs.104.2.573)). ## Pathways and Molecular Function Functionally, [CBX5](/details-gene/23468) is deeply integrated into the machinery of epigenetic regulation and chromatin management. Its molecular function is defined by its chromodomain, which facilitates [methylated histone binding](/details-go/GO:0035064), and its chromoshadow domain, which mediates homodimerization and interaction with a diverse set of nuclear proteins ([Link](https://doi.org/10.1016/j.bbrc.2005.04.016)). This positions it as a key scaffold protein within the nucleus. Gene Ontology annotations confirm its central role in processes such as [heterochromatin formation](/details-go/GO:0031507) and the [negative regulation of dna-templated transcription](/details-go/GO:0045892). It localizes to nuclear structures including [heterochromatin](/details-go/GO:0000792), the [kinetochore](/details-go/GO:0000776), and sites of DNA damage, and is a component of the [transcription repressor complex](/details-go/GO:0017053). Reactome pathway analysis further expands on these roles, placing [CBX5](/details-gene/23468) within the broader contexts of [Epigenetic regulation of gene expression](/details-reactome/R-HSA-212165) and [Gene expression (transcription)](/details-reactome/R-HSA-74160). Its involvement in post-translational modifications, specifically [Sumoylation of chromatin organization proteins](/details-reactome/R-HSA-4551638), suggests that its activity and interactions are dynamically regulated to respond to cellular needs, such as progression through the cell cycle ([Link](https://doi.org/10.1007/s004120050372)). Its inclusion in the [hemostasis](/details-reactome/R-HSA-109582) pathway likely reflects its role in megakaryocyte development. ## Research Directions Given the fundamental nature of [CBX5](/details-gene/23468), understanding the consequences of its dysregulation is a key area of research, particularly in cancer and developmental disorders where epigenetic stability is compromised. **Proposed Hypotheses:** 1. *Deregulation of [CBX5](/details-gene/23468) expression or its post-translational modifications in hematopoietic progenitor cells, such as [double negative thymocyte](/details-cell/CL0002489) or [fraction A pre-pro B cell](/details-cell/CL0002045), disrupts the stable silencing of lineage-inappropriate genes, leading to impaired differentiation and promoting leukemogenesis.* 2. *In post-mitotic cells like [peripheral nervous system neuron](/details-cell/CL2000032), subtle age-related decline in [CBX5](/details-gene/23468) function leads to weakened heterochromatin barriers, allowing for the aberrant re-expression of silenced developmental or repetitive elements, contributing to cellular stress and neurodegeneration.* **Experimental Approach:** To test the first hypothesis regarding hematopoietic differentiation, a suitable model would involve conditional inactivation of [CBX5](/details-gene/23468) in mouse hematopoietic stem cells (HSCs). Using a Cre-Lox system (e.g., Mx1-Cre for inducible deletion), HSCs lacking [CBX5](/details-gene/23468) could be transplanted into irradiated recipients. Subsequent analysis of lymphoid and myeloid development via flow cytometry would reveal differentiation blocks or skews. At the molecular level, combining RNA-seq with chromatin profiling techniques like CUT&RUN for H3K9me3 on sorted progenitor populations would directly test whether loss of [CBX5](/details-gene/23468) leads to inappropriate gene expression correlated with a loss of repressive histone marks at specific loci. **Therapeutic Potential:** As a core structural protein with ubiquitous and essential functions, direct targeting of [CBX5](/details-gene/23468) itself with small molecule inhibitors would likely result in high systemic toxicity. However, its function is critically dependent on the "writer" enzymes (histone methyltransferases like SUV39H1/2) that deposit the H3K9me marks it recognizes, and the "eraser" enzymes (demethylases) that remove them. These enzymes represent more viable therapeutic targets. Therefore, modulating the epigenetic context in which [CBX5](/details-gene/23468) operates, rather than targeting the protein directly, presents a more promising strategy. Inhibition of the upstream methyltransferases could be beneficial in cancers characterized by aberrant heterochromatin formation and oncogene silencing.

Genular Protein ID: 2122137382

Symbol: CBX5_HUMAN

Name: Chromobox protein homolog 5

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 8505380

Title: Molecular cloning of a human homologue of Drosophila heterochromatin protein HP1 using anti-centromere autoantibodies with anti-chromo specificity.

PubMed ID: 8505380

DOI: 10.1242/jcs.104.2.573

PubMed ID: 14702039

Title: Complete sequencing and characterization of 21,243 full-length human cDNAs.

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 15489334

Title: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).

PubMed ID: 15489334

DOI: 10.1101/gr.2596504

PubMed ID: 8663349

Title: Interaction between an integral protein of the nuclear envelope inner membrane and human chromodomain proteins homologous to Drosophila HP1.

PubMed ID: 8663349

DOI: 10.1074/jbc.271.25.14653

PubMed ID: 9169472

Title: Domain-specific interactions of human HP1-type chromodomain proteins and inner nuclear membrane protein LBR.

PubMed ID: 9169472

DOI: 10.1074/jbc.272.23.14983

PubMed ID: 10460410

Title: Localization and phosphorylation of HP1 proteins during the cell cycle in mammalian cells.

PubMed ID: 10460410

DOI: 10.1007/s004120050372

PubMed ID: 11313457

Title: Common properties of nuclear protein SP100 and TIF1alpha chromatin factor: role of SUMO modification.

PubMed ID: 11313457

DOI: 10.1128/mcb.21.10.3314-3324.2001

PubMed ID: 11242053

Title: Methylation of histone H3 lysine 9 creates a binding site for HP1 proteins.

PubMed ID: 11242053

DOI: 10.1038/35065132

PubMed ID: 15502821

Title: A conserved Mis12 centromere complex is linked to heterochromatic HP1 and outer kinetochore protein Zwint-1.

PubMed ID: 15502821

DOI: 10.1038/ncb1187

PubMed ID: 15882967

Title: The mammalian heterochromatin protein 1 binds diverse nuclear proteins through a common motif that targets the chromoshadow domain.

PubMed ID: 15882967

DOI: 10.1016/j.bbrc.2005.04.016

PubMed ID: 15864296

Title: Dissociation of heterochromatin protein 1 from lamin B receptor induced by human polyomavirus agnoprotein: role in nuclear egress of viral particles.

PubMed ID: 15864296

DOI: 10.1038/sj.embor.7400406

PubMed ID: 15899859

Title: In vivo HP1 targeting causes large-scale chromatin condensation and enhanced histone lysine methylation.

PubMed ID: 15899859

DOI: 10.1128/mcb.25.11.4552-4564.2005

PubMed ID: 17081983

Title: Global, in vivo, and site-specific phosphorylation dynamics in signaling networks.

PubMed ID: 17081983

DOI: 10.1016/j.cell.2006.09.026

PubMed ID: 18691976

Title: Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle.

PubMed ID: 18691976

DOI: 10.1016/j.molcel.2008.07.007

PubMed ID: 18669648

Title: A quantitative atlas of mitotic phosphorylation.

PubMed ID: 18669648

DOI: 10.1073/pnas.0805139105

PubMed ID: 19617346

Title: Physical and functional interaction between heterochromatin protein 1alpha and the RNA-binding protein heterogeneous nuclear ribonucleoprotein U.

PubMed ID: 19617346

DOI: 10.1074/jbc.m109.037929

PubMed ID: 19710015

Title: The metastasis efficiency modifier ribosomal RNA processing 1 homolog B (RRP1B) is a chromatin-associated factor.

PubMed ID: 19710015

DOI: 10.1074/jbc.m109.023457

PubMed ID: 19783980

Title: JAK2 phosphorylates histone H3Y41 and excludes HP1alpha from chromatin.

PubMed ID: 19783980

DOI: 10.1038/nature08448

PubMed ID: 19666599

Title: Human BAHD1 promotes heterochromatic gene silencing.

PubMed ID: 19666599

DOI: 10.1073/pnas.0901259106

PubMed ID: 19690332

Title: Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions.

PubMed ID: 19690332

DOI: 10.1126/scisignal.2000007

PubMed ID: 20850016

Title: Quantitative interaction proteomics and genome-wide profiling of epigenetic histone marks and their readers.

PubMed ID: 20850016

DOI: 10.1016/j.cell.2010.08.020

PubMed ID: 19880879

Title: ASXL1 represses retinoic acid receptor-mediated transcription through associating with HP1 and LSD1.

PubMed ID: 19880879

DOI: 10.1074/jbc.m109.065862

PubMed ID: 25750265

Title: Retraction: 'ASXL1 represses retinoic acid receptor-mediated transcription through associating with HP1 and LSD1'.

PubMed ID: 25750265

DOI: 10.1074/jbc.a109.065862

PubMed ID: 20562864

Title: Human POGZ modulates dissociation of HP1alpha from mitotic chromosome arms through Aurora B activation.

PubMed ID: 20562864

DOI: 10.1038/ncb2075

PubMed ID: 20498703

Title: Lamin A rod domain mutants target heterochromatin protein 1alpha and beta for proteasomal degradation by activation of F-box protein, FBXW10.

PubMed ID: 20498703

DOI: 10.1371/journal.pone.0010620

PubMed ID: 20068231

Title: Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis.

PubMed ID: 20068231

DOI: 10.1126/scisignal.2000475

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 21346195

Title: Mitotic centromeric targeting of HP1 and its binding to Sgo1 are dispensable for sister-chromatid cohesion in human cells.

PubMed ID: 21346195

DOI: 10.1091/mbc.e11-01-0009

PubMed ID: 21406692

Title: System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation.

PubMed ID: 21406692

DOI: 10.1126/scisignal.2001570

PubMed ID: 22814378

Title: N-terminal acetylome analyses and functional insights of the N-terminal acetyltransferase NatB.

PubMed ID: 22814378

DOI: 10.1073/pnas.1210303109

PubMed ID: 23186163

Title: Toward a comprehensive characterization of a human cancer cell phosphoproteome.

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 23542155

Title: Human inactive X chromosome is compacted through a PRC2-independent SMCHD1-HBiX1 pathway.

PubMed ID: 23542155

DOI: 10.1038/nsmb.2532

PubMed ID: 24275569

Title: An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome.

PubMed ID: 24275569

DOI: 10.1016/j.jprot.2013.11.014

PubMed ID: 25218447

Title: Uncovering global SUMOylation signaling networks in a site-specific manner.

PubMed ID: 25218447

DOI: 10.1038/nsmb.2890

PubMed ID: 25906157

Title: A novel role of PRR14 in the regulation of skeletal myogenesis.

PubMed ID: 25906157

DOI: 10.1038/cddis.2015.103

PubMed ID: 25772364

Title: SUMO-2 orchestrates chromatin modifiers in response to DNA damage.

PubMed ID: 25772364

DOI: 10.1016/j.celrep.2015.02.033

PubMed ID: 25755297

Title: System-wide analysis of SUMOylation dynamics in response to replication stress reveals novel small ubiquitin-like modified target proteins and acceptor lysines relevant for genome stability.

PubMed ID: 25755297

DOI: 10.1074/mcp.o114.044792

PubMed ID: 28112733

Title: Site-specific mapping of the human SUMO proteome reveals co-modification with phosphorylation.

PubMed ID: 28112733

DOI: 10.1038/nsmb.3366

PubMed ID: 28977666

Title: CHD3 and CHD4 form distinct NuRD complexes with different yet overlapping functionality.

PubMed ID: 28977666

DOI: 10.1093/nar/gkx711

PubMed ID: 32051553

Title: The EGFR-ZNF263 signaling axis silences SIX3 in glioblastoma epigenetically.

PubMed ID: 32051553

DOI: 10.1038/s41388-020-1206-7

PubMed ID: 21047797

Title: Recognition and specificity determinants of the human cbx chromodomains.

PubMed ID: 21047797

DOI: 10.1074/jbc.m110.191411

PubMed ID: 20042602

Title: The middle region of an HP1-binding protein, HP1-BP74, associates with linker DNA at the entry/exit site of nucleosomal DNA.

PubMed ID: 20042602

DOI: 10.1074/jbc.m109.092833

Sequence Information:

  • Length: 191
  • Mass: 22225
  • Checksum: 16FFC476367093B1
  • Sequence:
  • MGKKTKRTAD SSSSEDEEEY VVEKVLDRRV VKGQVEYLLK WKGFSEEHNT WEPEKNLDCP 
    ELISEFMKKY KKMKEGENNK PREKSESNKR KSNFSNSADD IKSKKKREQS NDIARGFERG 
    LEPEKIIGAT DSCGDLMFLM KWKDTDEADL VLAKEANVKC PQIVIAFYEE RLTWHAYPED 
    AENKEKETAK S