Details for: SNAPC3

Gene ID: 6619

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: SNAPC3

Ensembl ID: ENSG00000164975

Description: small nuclear RNA activating complex polypeptide 3

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • promonocyte CL0000559
    CSI 6.84
    rCSI 11.71%
    PRS 71.29
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 6.3
    rCSI 22.69%
    PRS 42.51
  • erythroblast CL0000765
    CSI 6.14
    rCSI 16.28%
    PRS 73.61
  • double negative thymocyte CL0002489
    CSI 5.74
    rCSI 3.99%
    PRS 73.73
  • class switched memory B cell CL0000972
    CSI 4.95
    rCSI 3.69%
    PRS 78.86
  • intestinal tuft cell CL0019032
    CSI 4.95
    rCSI 7.56%
    PRS 66.65
  • cardiac endothelial cell CL0010008
    CSI 4.42
    rCSI 17.83%
    PRS 61.11
  • progenitor cell CL0011026
    CSI 4.21
    rCSI 8.96%
    PRS 61.59
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 3.75
    rCSI 9.77%
    PRS 62.18
  • vascular leptomeningeal cell CL4023051
    CSI 3.74
    rCSI 6.56%
    PRS 54.23
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 3.65
    rCSI 2.81%
    PRS 62.96
  • early lymphoid progenitor CL0000936
    CSI 3.16
    rCSI 2.77%
    PRS 68.02
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 3.15
    rCSI 2.84%
    PRS 59.35
  • cerebellar granule cell CL0001031
    CSI 2.96
    rCSI 4.35%
    PRS 55.82
  • cerebral cortex endothelial cell CL1001602
    CSI 2.96
    rCSI 5.12%
    PRS 52.53
  • regular atrial cardiac myocyte CL0002129
    CSI 2.95
    rCSI 9.51%
    PRS 60.42
  • pancreatic D cell CL0000173
    CSI 2.85
    rCSI 2.8%
    PRS 65.11
  • pro-B cell CL0000826
    CSI 2.79
    rCSI 2.31%
    PRS 64.66
  • lung ciliated cell CL1000271
    CSI 2.75
    rCSI 3.18%
    PRS 52.59
  • secretory cell CL0000151
    CSI 2.67
    rCSI 2.78%
    PRS 62.71
  • melanocyte CL0000148
    CSI 2.66
    rCSI 1.97%
    PRS 54.94
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 2.57
    rCSI 3.2%
    PRS 42.2
  • epithelial cell of lung CL0000082
    CSI 2.55
    rCSI 2.11%
    PRS 61.83
  • precursor B cell CL0000817
    CSI 2.52
    rCSI 2.21%
    PRS 71.97
  • ON-bipolar cell CL0000749
    CSI 2.48
    rCSI 3.69%
    PRS 63.8
  • interneuron CL0000099
    CSI 2.47
    rCSI 4.95%
    PRS 51.47
  • Mueller cell CL0000636
    CSI 2.41
    rCSI 5.5%
    PRS 54.14
  • pancreatic A cell CL0000171
    CSI 2.41
    rCSI 2.53%
    PRS 66.11
  • neural crest cell CL0011012
    CSI 2.38
    rCSI 1.88%
    PRS 49.25
  • stromal cell CL0000499
    CSI 2.35
    rCSI 6.6%
    PRS 59.01
  • respiratory suprabasal cell CL4033048
    CSI 2.33
    rCSI 2.99%
    PRS 67.32
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 2.33
    rCSI 3.91%
    PRS 44.11
  • astrocyte of the cerebral cortex CL0002605
    CSI 2.33
    rCSI 5.22%
    PRS 44.83
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 2.3
    rCSI 3.27%
    PRS 58.72
  • BEST4+ enteroycte CL4030026
    CSI 2.27
    rCSI 2.82%
    PRS 64.1
  • adipocyte CL0000136
    CSI 2.24
    rCSI 2.88%
    PRS 54.77
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 2.23
    rCSI 5.43%
    PRS 42.73
  • L6b glutamatergic cortical neuron CL4023038
    CSI 2.2
    rCSI 6.87%
    PRS 45.76
  • hepatic stellate cell CL0000632
    CSI 2.17
    rCSI 8.15%
    PRS 54.35
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 2.15
    rCSI 12.69%
    PRS 45.34
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 2.14
    rCSI 3.77%
    PRS 43.2
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.12
    rCSI 1.43%
    PRS 75.73
  • interstitial cell of Cajal CL0002088
    CSI 2.12
    rCSI 2.7%
    PRS 68.91
  • chondrocyte CL0000138
    CSI 2.08
    rCSI 3.31%
    PRS 54.78
  • Kupffer cell CL0000091
    CSI 2.07
    rCSI 4.73%
    PRS 62.33
  • direct pathway medium spiny neuron CL4023026
    CSI 2.06
    rCSI 49.37%
    PRS 43.13
  • blood vessel endothelial cell CL0000071
    CSI 2.05
    rCSI 4.26%
    PRS 59.54
  • pulmonary ionocyte CL0017000
    CSI 2.05
    rCSI 2.5%
    PRS 70
  • ciliated epithelial cell CL0000067
    CSI 2.04
    rCSI 1.79%
    PRS 50.33
  • hepatocyte CL0000182
    CSI 2.04
    rCSI 3.65%
    PRS 61.43
  • duct epithelial cell CL0000068
    CSI 2.02
    rCSI 2.96%
    PRS 67.26
  • glutamatergic neuron CL0000679
    CSI 2.02
    rCSI 4.15%
    PRS 52.62
  • mesodermal cell CL0000222
    CSI 2.01
    rCSI 2.41%
    PRS 60.54
  • indirect pathway medium spiny neuron CL4023029
    CSI 2
    rCSI 48.35%
    PRS 43.97
  • ionocyte CL0005006
    CSI 1.95
    rCSI 2.09%
    PRS 62.03
  • inhibitory interneuron CL0000498
    CSI 1.95
    rCSI 4.49%
    PRS 51.47
  • ciliated cell CL0000064
    CSI 1.94
    rCSI 3.15%
    PRS 59.04
  • intestinal epithelial cell CL0002563
    CSI 1.92
    rCSI 2.01%
    PRS 60.44
  • fibroblast of cardiac tissue CL0002548
    CSI 1.9
    rCSI 9.08%
    PRS 62.32
  • glioblast CL0000030
    CSI 1.89
    rCSI 3.02%
    PRS 54.92
  • renal alpha-intercalated cell CL0005011
    CSI 1.88
    rCSI 2.52%
    PRS 71.39
  • colon epithelial cell CL0011108
    CSI 1.88
    rCSI 1.97%
    PRS 58.87
  • stem cell CL0000034
    CSI 1.87
    rCSI 1.8%
    PRS 53.12
  • tracheobronchial smooth muscle cell CL0019019
    CSI 1.86
    rCSI 3.28%
    PRS 70.56
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.83
    rCSI 1.58%
    PRS 67.47
  • ependymal cell CL0000065
    CSI 1.8
    rCSI 3.65%
    PRS 41.71
  • retinal bipolar neuron CL0000748
    CSI 1.79
    rCSI 3.35%
    PRS 50.69
  • extravillous trophoblast CL0008036
    CSI 1.78
    rCSI 2.2%
    PRS 59.09
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 1.77
    rCSI 5.22%
    PRS 65.55
  • club cell CL0000158
    CSI 1.75
    rCSI 2.56%
    PRS 58.45
  • placental villous trophoblast CL2000060
    CSI 1.74
    rCSI 2.69%
    PRS 60.68
  • radial glial cell CL0000681
    CSI 1.72
    rCSI 2.39%
    PRS 60.97
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.69
    rCSI 3.07%
    PRS 54.18
  • rod bipolar cell CL0000751
    CSI 1.67
    rCSI 3%
    PRS 55.55
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.65
    rCSI 1.91%
    PRS 55.5
  • lung neuroendocrine cell CL1000223
    CSI 1.65
    rCSI 2.44%
    PRS 67.73
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.61
    rCSI 2.06%
    PRS 59.63
  • multi-ciliated epithelial cell CL0005012
    CSI 1.6
    rCSI 1.6%
    PRS 55.78
  • mesangial cell CL0000650
    CSI 1.58
    rCSI 6.44%
    PRS 74.49
  • lung pericyte CL0009089
    CSI 1.57
    rCSI 4.15%
    PRS 71.22
  • retinal rod cell CL0000604
    CSI 1.56
    rCSI 2.75%
    PRS 59.26
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.56
    rCSI 1.86%
    PRS 43.85
  • epithelial cell of lower respiratory tract CL0002632
    CSI 1.55
    rCSI 1.2%
    PRS 64.43
  • IgA plasma cell CL0000987
    CSI 1.53
    rCSI 1.57%
    PRS 76.55
  • nasal mucosa goblet cell CL0002480
    CSI 1.53
    rCSI 1.77%
    PRS 70.01
  • kidney connecting tubule epithelial cell CL1000768
    CSI 1.52
    rCSI 3.84%
    PRS 51.91
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 1.41
    rCSI 5.32%
    PRS 44.84
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.4
    rCSI 1.8%
    PRS 45.42
  • enteroendocrine cell CL0000164
    CSI 1.39
    rCSI 1.89%
    PRS 64.13
  • cardiac muscle cell CL0000746
    CSI 1.38
    rCSI 1.98%
    PRS 51.95
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.36
    rCSI 3.51%
    PRS 57.37
  • tracheal goblet cell CL1000329
    CSI 1.33
    rCSI 2.9%
    PRS 75.82
  • blood vessel smooth muscle cell CL0019018
    CSI 1.32
    rCSI 10.71%
    PRS 55.64
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.29
    rCSI 1.69%
    PRS 76.01
  • regular ventricular cardiac myocyte CL0002131
    CSI 1.29
    rCSI 8.03%
    PRS 54.13
  • lung secretory cell CL1000272
    CSI 1.26
    rCSI 3.12%
    PRS 60.88
  • peripheral nervous system neuron CL2000032
    CSI 1.26
    rCSI 1.72%
    PRS 54.25
  • retinal pigment epithelial cell CL0002586
    CSI 1.24
    rCSI 2.47%
    PRS 60.14
  • small intestine goblet cell CL1000495
    CSI 1.24
    rCSI 2.72%
    PRS 70.39
  • Schwann cell CL0002573
    CSI 1.23
    rCSI 3.48%
    PRS 60.37
  • medium spiny neuron CL1001474
    CSI 0.2
    rCSI 2.0%
    PRS 49.6%
  • central nervous system neuron CL2000029
    CSI 0.4
    rCSI 2.6%
    PRS 49.0%
  • mesenchymal cell CL0008019
    CSI 0.5
    rCSI 1.3%
    PRS 56.6%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.6
    rCSI 1.9%
    PRS 48.3%
  • GABAergic neuron CL0000617
    CSI 0.7
    rCSI 2.4%
    PRS 47.5%
  • OFF midget ganglion cell CL4033047
    CSI 0.8
    rCSI 15.6%
    PRS 54.5%
  • parietal epithelial cell CL1000452
    CSI 0.8
    rCSI 2.1%
    PRS 53.4%
  • retina horizontal cell CL0000745
    CSI 0.8
    rCSI 1.2%
    PRS 58.7%
  • forebrain radial glial cell CL0013000
    CSI 0.8
    rCSI 2.6%
    PRS 67.4%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.8
    rCSI 1.9%
    PRS 49.6%
  • retinal ganglion cell CL0000740
    CSI 0.8
    rCSI 1.8%
    PRS 48.6%
  • GABAergic amacrine cell CL4030027
    CSI 0.8
    rCSI 2.8%
    PRS 51.1%
  • retinal cone cell CL0000573
    CSI 0.9
    rCSI 1.4%
    PRS 52.0%
  • large pre-B-II cell CL0000957
    CSI 0.9
    rCSI 2.5%
    PRS 73.7%
  • neuroendocrine cell CL0000165
    CSI 0.9
    rCSI 3.6%
    PRS 76.7%
  • ON parasol ganglion cell CL4033052
    CSI 0.9
    rCSI 13.3%
    PRS 53.4%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.0
    rCSI 2.6%
    PRS 69.4%
  • dopaminergic neuron CL0000700
    CSI 1.0
    rCSI 5.6%
    PRS 47.5%
  • glycinergic amacrine cell CL4030028
    CSI 1.0
    rCSI 2.6%
    PRS 59.8%
  • type B pancreatic cell CL0000169
    CSI 1.0
    rCSI 2.3%
    PRS 60.4%
  • glial cell CL0000125
    CSI 1.0
    rCSI 4.0%
    PRS 53.2%
  • choroid plexus epithelial cell CL0000706
    CSI 1.1
    rCSI 1.8%
    PRS 51.7%
  • ON midget ganglion cell CL4033046
    CSI 1.1
    rCSI 21.9%
    PRS 53.2%
  • erythrocyte CL0000232
    CSI 1.1
    rCSI 2.5%
    PRS 66.4%
  • amacrine cell CL0000561
    CSI 1.1
    rCSI 3.2%
    PRS 52.1%
  • myeloid dendritic cell CL0000782
    CSI 1.2
    rCSI 1.7%
    PRS 78.3%
  • cardiac neuron CL0010022
    CSI 1.2
    rCSI 3.7%
    PRS 59.5%
  • podocyte CL0000653
    CSI 1.2
    rCSI 5.1%
    PRS 62.0%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.2
    rCSI 1.9%
    PRS 46.1%
  • Schwann cell CL0002573
    CSI 1.2
    rCSI 3.5%
    PRS 60.4%
  • small intestine goblet cell CL1000495
    CSI 1.2
    rCSI 2.7%
    PRS 70.4%
  • retinal pigment epithelial cell CL0002586
    CSI 1.2
    rCSI 2.5%
    PRS 60.1%
  • peripheral nervous system neuron CL2000032
    CSI 1.3
    rCSI 1.7%
    PRS 54.3%
  • lung secretory cell CL1000272
    CSI 1.3
    rCSI 3.1%
    PRS 60.9%
  • regular ventricular cardiac myocyte CL0002131
    CSI 1.3
    rCSI 8.0%
    PRS 54.1%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.3
    rCSI 1.7%
    PRS 76.0%
  • blood vessel smooth muscle cell CL0019018
    CSI 1.3
    rCSI 10.7%
    PRS 55.6%
  • tracheal goblet cell CL1000329
    CSI 1.3
    rCSI 2.9%
    PRS 75.8%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.4
    rCSI 3.5%
    PRS 57.4%
  • cardiac muscle cell CL0000746
    CSI 1.4
    rCSI 2.0%
    PRS 52.0%
  • enteroendocrine cell CL0000164
    CSI 1.4
    rCSI 1.9%
    PRS 64.1%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.4
    rCSI 1.8%
    PRS 45.4%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 1.4
    rCSI 5.3%
    PRS 44.8%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 1.5
    rCSI 3.8%
    PRS 51.9%
  • nasal mucosa goblet cell CL0002480
    CSI 1.5
    rCSI 1.8%
    PRS 70.0%
  • IgA plasma cell CL0000987
    CSI 1.5
    rCSI 1.6%
    PRS 76.6%
  • epithelial cell of lower respiratory tract CL0002632
    CSI 1.6
    rCSI 1.2%
    PRS 64.4%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.6
    rCSI 1.9%
    PRS 43.9%
  • retinal rod cell CL0000604
    CSI 1.6
    rCSI 2.8%
    PRS 59.3%
  • lung pericyte CL0009089
    CSI 1.6
    rCSI 4.2%
    PRS 71.2%
  • mesangial cell CL0000650
    CSI 1.6
    rCSI 6.4%
    PRS 74.5%
  • multi-ciliated epithelial cell CL0005012
    CSI 1.6
    rCSI 1.6%
    PRS 55.8%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.6
    rCSI 2.1%
    PRS 59.6%
  • lung neuroendocrine cell CL1000223
    CSI 1.7
    rCSI 2.4%
    PRS 67.7%
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.7
    rCSI 1.9%
    PRS 55.5%
  • rod bipolar cell CL0000751
    CSI 1.7
    rCSI 3.0%
    PRS 55.6%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.7
    rCSI 3.1%
    PRS 54.2%
  • radial glial cell CL0000681
    CSI 1.7
    rCSI 2.4%
    PRS 61.0%
  • placental villous trophoblast CL2000060
    CSI 1.7
    rCSI 2.7%
    PRS 60.7%
  • club cell CL0000158
    CSI 1.8
    rCSI 2.6%
    PRS 58.5%
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 1.8
    rCSI 5.2%
    PRS 65.6%
  • extravillous trophoblast CL0008036
    CSI 1.8
    rCSI 2.2%
    PRS 59.1%
  • retinal bipolar neuron CL0000748
    CSI 1.8
    rCSI 3.4%
    PRS 50.7%
  • ependymal cell CL0000065
    CSI 1.8
    rCSI 3.7%
    PRS 41.7%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.8
    rCSI 1.6%
    PRS 67.5%
  • tracheobronchial smooth muscle cell CL0019019
    CSI 1.9
    rCSI 3.3%
    PRS 70.6%
  • stem cell CL0000034
    CSI 1.9
    rCSI 1.8%
    PRS 53.1%
  • colon epithelial cell CL0011108
    CSI 1.9
    rCSI 2.0%
    PRS 58.9%
  • renal alpha-intercalated cell CL0005011
    CSI 1.9
    rCSI 2.5%
    PRS 71.4%
  • glioblast CL0000030
    CSI 1.9
    rCSI 3.0%
    PRS 54.9%
  • fibroblast of cardiac tissue CL0002548
    CSI 1.9
    rCSI 9.1%
    PRS 62.3%
  • intestinal epithelial cell CL0002563
    CSI 1.9
    rCSI 2.0%
    PRS 60.4%
  • ciliated cell CL0000064
    CSI 1.9
    rCSI 3.2%
    PRS 59.0%
  • inhibitory interneuron CL0000498
    CSI 2.0
    rCSI 4.5%
    PRS 51.5%
  • ionocyte CL0005006
    CSI 2.0
    rCSI 2.1%
    PRS 62.0%
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.0
    rCSI 48.4%
    PRS 44.0%
  • mesodermal cell CL0000222
    CSI 2.0
    rCSI 2.4%
    PRS 60.5%
  • glutamatergic neuron CL0000679
    CSI 2.0
    rCSI 4.2%
    PRS 52.6%
  • duct epithelial cell CL0000068
    CSI 2.0
    rCSI 3.0%
    PRS 67.3%
  • hepatocyte CL0000182
    CSI 2.0
    rCSI 3.7%
    PRS 61.4%
  • ciliated epithelial cell CL0000067
    CSI 2.0
    rCSI 1.8%
    PRS 50.3%
  • pulmonary ionocyte CL0017000
    CSI 2.1
    rCSI 2.5%
    PRS 70.0%
  • blood vessel endothelial cell CL0000071
    CSI 2.1
    rCSI 4.3%
    PRS 59.5%
  • direct pathway medium spiny neuron CL4023026
    CSI 2.1
    rCSI 49.4%
    PRS 43.1%
  • Kupffer cell CL0000091
    CSI 2.1
    rCSI 4.7%
    PRS 62.3%
  • chondrocyte CL0000138
    CSI 2.1
    rCSI 3.3%
    PRS 54.8%
  • interstitial cell of Cajal CL0002088
    CSI 2.1
    rCSI 2.7%
    PRS 68.9%
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.1
    rCSI 1.4%
    PRS 75.7%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 2.1
    rCSI 3.8%
    PRS 43.2%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 2.2
    rCSI 12.7%
    PRS 45.3%
  • hepatic stellate cell CL0000632
    CSI 2.2
    rCSI 8.2%
    PRS 54.4%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 2.2
    rCSI 6.9%
    PRS 45.8%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 2.2
    rCSI 5.4%
    PRS 42.7%
  • adipocyte CL0000136
    CSI 2.2
    rCSI 2.9%
    PRS 54.8%
  • BEST4+ enteroycte CL4030026
    CSI 2.3
    rCSI 2.8%
    PRS 64.1%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 2.3
    rCSI 3.3%
    PRS 58.7%
  • astrocyte of the cerebral cortex CL0002605
    CSI 2.3
    rCSI 5.2%
    PRS 44.8%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 2.3
    rCSI 3.9%
    PRS 44.1%
  • respiratory suprabasal cell CL4033048
    CSI 2.3
    rCSI 3.0%
    PRS 67.3%
  • stromal cell CL0000499
    CSI 2.4
    rCSI 6.6%
    PRS 59.0%

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 [SNAPC3](/details-gene/6619) (Small Nuclear RNA Activating Complex Polypeptide 3) is a protein-coding gene located on chromosome 9p22.3. It encodes a core subunit of the small nuclear RNA-activating protein complex (SNAPc), a general transcription factor essential for the transcription of small nuclear RNAs (snRNAs) by both RNA polymerase II and III [Link](https://pubmed.ncbi.nlm.nih.gov/9003788/). As a fundamental component of the transcriptional machinery, [SNAPC3](/details-gene/6619) plays a critical role in gene expression. **Overall**, its expression is most significant in highly proliferative or metabolically active cells, including hematopoietic progenitors like [promonocyte](/details-cell/CL0000559)s and [erythroblast](/details-cell/CL0000765)s, as well as specialized, terminally differentiated cells such as [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041)s, suggesting its importance in both development and the maintenance of complex cellular functions. An association with this gene has been recorded in OMIM ([602348](https://omim.org/entry/602348)). ## Cellular Roles and Expression Landscape The expression profile of [SNAPC3](/details-gene/6619) indicates a foundational role in cells with high transcriptional demands. **Overall**, its significance is highest in a diverse set of cell types, pointing to its universal importance rather than a lineage-specific function. The gene shows particularly high significance in hematopoietic progenitor cells, including [promonocyte](/details-cell/CL0000559) (CSI: 6.84), [erythroblast](/details-cell/CL0000765) (CSI: 6.14), [double negative thymocyte](/details-cell/CL0002489) (CSI: 5.74), and [megakaryocyte-erythroid progenitor cell](/details-cell/CL0000050) (CSI: 3.15). This pattern is consistent with its essential function in supporting the rapid proliferation and differentiation programs that characterize hematopoiesis. Its importance extends to mature lymphoid cells like [class switched memory B cell](/details-cell/CL0000972) (CSI: 4.95), which require robust transcriptional activity for antibody production and memory maintenance. Beyond the immune system, [SNAPC3](/details-gene/6619) is a key gene in the central nervous system, with a notably high CSI in [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041) (CSI: 6.30). This suggests that maintaining the complex transcriptional program required for the function and survival of these long-projecting neurons is dependent on [SNAPC3](/details-gene/6619)-mediated snRNA synthesis. Furthermore, its elevated significance in various endothelial cells, such as [cardiac endothelial cell](/details-cell/CL0010008) (CSI: 4.42) and [cerebral cortex endothelial cell](/details-cell/CL1001602) (CSI: 2.96), highlights its role in maintaining vascular integrity and function. The broad expression across these disparate, active cell lineages underscores its role as a critical component of the core transcriptional machinery. ## Pathways and Molecular Function Functionally, [SNAPC3](/details-gene/6619) is integral to the process of transcription. It is a known subunit of the SNAPc complex ([GO:0019185](https://www.ebi.ac.uk/QuickGO/term/GO:0019185)), which is responsible for binding to the proximal sequence element (PSE) of snRNA gene promoters [Link](https://pubmed.ncbi.nlm.nih.gov/8816454/). This activity is central to its annotated molecular functions, which include core promoter sequence-specific DNA binding ([GO:0001046](https://www.ebi.ac.uk/QuickGO/term/GO:0001046)) and protein binding ([GO:0005515](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)) to assemble the preinitiation complex. The gene's involvement is critical for biological processes related to snRNA transcription by both RNA polymerase II ([GO:0042795](https://www.ebi.ac.uk/QuickGO/term/GO:0042795)) and RNA polymerase III ([GO:0042796](https://www.ebi.ac.uk/QuickGO/term/GO:0042796)). These snRNAs are essential components of the spliceosome, which carries out pre-mRNA splicing. Therefore, [SNAPC3](/details-gene/6619) is fundamentally linked to the broader process of gene expression ([R-HSA-74160](https://reactome.org/content/detail/R-HSA-74160)). Reactome pathways further confirm its role in the initiation stages of transcription by both RNA polymerase II ([R-HSA-6807505](https://reactome.org/content/detail/R-HSA-6807505)) and RNA polymerase III ([R-HSA-76046](https://reactome.org/content/detail/R-HSA-76046)). This core function explains its high significance in the diverse, transcriptionally active cell types identified in the expression landscape. ## Research Directions The widespread and fundamental role of [SNAPC3](/details-gene/6619) in transcription suggests that its dysregulation could have profound consequences in various disease states, particularly those characterized by altered proliferation or cellular stress, such as cancer and neurodevelopmental disorders. Based on its expression profile and function, several testable hypotheses can be proposed: 1. **Hypothesis:** The high significance of [SNAPC3](/details-gene/6619) in multiple hematopoietic progenitor populations ([promonocyte](/details-cell/CL0000559), [erythroblast](/details-cell/CL0000765), [double negative thymocyte](/details-cell/CL0002489)) suggests it is a critical rate-limiting factor for hematopoietic differentiation. Partial loss-of-function of [SNAPC3](/details-gene/6619) may lead to developmental blocks and cytopenias by impairing the transcriptional bursts required for lineage commitment. 2. **Hypothesis:** The elevated CSI of [SNAPC3](/details-gene/6619) in highly specialized, post-mitotic neurons like [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041) indicates a vital role in neuronal maintenance, not just development. Reduced [SNAPC3](/details-gene/6619) activity in these neurons could compromise snRNA production, leading to splicing defects and contributing to the pathology of neurodegenerative diseases. To test the first hypothesis regarding its role in hematopoiesis, a key experiment could be designed: * **Experimental Approach:** Utilize a CRISPR interference (CRISPRi) system to achieve tunable knockdown of [SNAPC3](/details-gene/6619) in primary human CD34+ hematopoietic stem and progenitor cells. These cells would then be cultured in vitro under conditions that promote differentiation towards erythroid and myeloid lineages. The differentiation process would be monitored over time using single-cell RNA sequencing (scRNA-seq) combined with flow cytometry for surface markers. This approach would allow for precise mapping of differentiation trajectories and identification of specific developmental stages that are arrested or delayed upon [SNAPC3](/details-gene/6619) suppression. **Therapeutic Potential:** Given its essential role as a core component of the general transcription machinery in virtually all cell types, [SNAPC3](/details-gene/6619) is likely a poor direct therapeutic target. Systemic inhibition would be expected to cause significant on-target toxicity across healthy, proliferating tissues. However, if specific cancers exhibit a heightened dependency on the SNAPc complex (a phenomenon known as "transcriptional addiction"), it is conceivable that indirect strategies targeting downstream effectors or synthetic lethal partners of [SNAPC3](/details-gene/6619) could be explored. Such an approach would require a much deeper understanding of the context-specific regulatory networks involving [SNAPC3](/details-gene/6619).

Genular Protein ID: 1191183903

Symbol: SNPC3_HUMAN

Name: snRNA-activating protein complex subunit 3

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9003788

Title: Cloning and characterization of SNAP50, a subunit of the snRNA-activating protein complex SNAPc.

PubMed ID: 9003788

DOI: 10.1002/j.1460-2075.1996.tb01104.x

PubMed ID: 8816454

Title: Cloning and characterization of the beta subunit of human proximal sequence element-binding transcription factor and its involvement in transcription of small nuclear RNA genes by RNA polymerases II and III.

PubMed ID: 8816454

DOI: 10.1128/mcb.16.10.5419

PubMed ID: 15164053

Title: DNA sequence and analysis of human chromosome 9.

PubMed ID: 15164053

DOI: 10.1038/nature02465

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: 11056176

Title: A map of protein-protein contacts within the small nuclear RNA-activating protein complex SNAPc.

PubMed ID: 11056176

DOI: 10.1074/jbc.m009301200

PubMed ID: 12621023

Title: The small nuclear RNA-activating protein 190 Myb DNA binding domain stimulates TATA box-binding protein-TATA box recognition.

PubMed ID: 12621023

DOI: 10.1074/jbc.m204247200

PubMed ID: 17525332

Title: ATM and ATR substrate analysis reveals extensive protein networks responsive to DNA damage.

PubMed ID: 17525332

DOI: 10.1126/science.1140321

Sequence Information:

  • Length: 411
  • Mass: 46753
  • Checksum: 920584BE4CFA366A
  • Sequence:
  • MAEGSRGGPT CSGVGGRQDP VSGSGGCNFP EYELPELNTR AFHVGAFGEL WRGRLRGAGD 
    LSLREPPASA LPGSQAADSD REDAAVARDL DCSLEAAAEL RAVCGLDKLK CLEDGEDPEV 
    IPENTDLVTL GVRKRFLEHR EETITIDRAC RQETFVYEME SHAIGKKPEN SADMIEEGEL 
    ILSVNILYPV IFHKHKEHKP YQTMLVLGSQ KLTQLRDSIR CVSDLQIGGE FSNTPDQAPE 
    HISKDLYKSA FFYFEGTFYN DKRYPECRDL SRTIIEWSES HDRGYGKFQT ARMEDFTFND 
    LCIKLGFPYL YCHQGDCEHV IVITDIRLVH HDDCLDRTLY PLLIKKHWLW TRKCFVCKMY 
    TARWVTNNDS FAPEDPCFFC DVCFRMLHYD SEGNKLGEFL AYPYVDPGTF N