Details for: SF3B2

Gene ID: 10992

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: SF3B2

Ensembl ID: ENSG00000087365

Description: splicing factor 3b subunit 2

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 65.53
    rCSI 59.18%
    PRS 6.67
  • common myeloid progenitor CL0000049
    CSI 57.2
    rCSI 46.25%
    PRS 7.43
  • plasmablast CL0000980
    CSI 57.05
    rCSI 44.88%
    PRS 9.01
  • granulocyte monocyte progenitor cell CL0000557
    CSI 50.01
    rCSI 43.31%
    PRS 8.4
  • multi-ciliated epithelial cell CL0005012
    CSI 46.81
    rCSI 46.72%
    PRS 6.47
  • fallopian tube secretory epithelial cell CL4030006
    CSI 46.37
    rCSI 44.64%
    PRS 7.81
  • hematopoietic stem cell CL0000037
    CSI 45.14
    rCSI 30%
    PRS 9
  • ciliated epithelial cell CL0000067
    CSI 43.19
    rCSI 37.98%
    PRS 5.46
  • lung ciliated cell CL1000271
    CSI 42.71
    rCSI 49.39%
    PRS 5.52
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 42.59
    rCSI 32.81%
    PRS 6.83
  • fraction A pre-pro B cell CL0002045
    CSI 36.91
    rCSI 42.25%
    PRS 15.68
  • common dendritic progenitor CL0001029
    CSI 36.71
    rCSI 46.07%
    PRS 9.61
  • extravillous trophoblast CL0008036
    CSI 33.58
    rCSI 41.55%
    PRS 6.62
  • promonocyte CL0000559
    CSI 30.91
    rCSI 52.95%
    PRS 10.12
  • pancreatic D cell CL0000173
    CSI 29.49
    rCSI 29.01%
    PRS 8.19
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 28.36
    rCSI 28.91%
    PRS 10.86
  • promyelocyte CL0000836
    CSI 26.5
    rCSI 38.22%
    PRS 10.53
  • large pre-B-II cell CL0000957
    CSI 26.39
    rCSI 75.33%
    PRS 13.42
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 23.78
    rCSI 47.4%
    PRS 12.87
  • common lymphoid progenitor CL0000051
    CSI 21.74
    rCSI 29.05%
    PRS 14.43
  • early lymphoid progenitor CL0000936
    CSI 20.74
    rCSI 18.22%
    PRS 8.47
  • pancreatic acinar cell CL0002064
    CSI 19.92
    rCSI 26.48%
    PRS 8.2
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 19.13
    rCSI 12.89%
    PRS 9.1
  • pancreatic A cell CL0000171
    CSI 18.37
    rCSI 19.24%
    PRS 8.03
  • transit amplifying cell of colon CL0009011
    CSI 18.32
    rCSI 21.51%
    PRS 9.03
  • microcirculation associated smooth muscle cell CL0008035
    CSI 18.11
    rCSI 52.44%
    PRS 8.56
  • placental villous trophoblast CL2000060
    CSI 17.31
    rCSI 26.75%
    PRS 7.09
  • ionocyte CL0005006
    CSI 16.27
    rCSI 17.43%
    PRS 6.93
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 15.78
    rCSI 10.52%
    PRS 20.78
  • pro-B cell CL0000826
    CSI 15.4
    rCSI 12.76%
    PRS 7.57
  • stem cell CL0000034
    CSI 14.22
    rCSI 13.71%
    PRS 4.74
  • keratinocyte CL0000312
    CSI 14.18
    rCSI 11.89%
    PRS 9.03
  • intestinal epithelial cell CL0002563
    CSI 14.1
    rCSI 14.74%
    PRS 7.94
  • pancreatic ductal cell CL0002079
    CSI 12.92
    rCSI 25.13%
    PRS 7.68
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 12.43
    rCSI 48.37%
    PRS 12.46
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 12.37
    rCSI 28.19%
    PRS 7.89
  • mammary gland epithelial cell CL0002327
    CSI 11.6
    rCSI 40.69%
    PRS 13.73
  • eosinophil CL0000771
    CSI 11.49
    rCSI 75.39%
    PRS 20
  • paneth cell CL0000510
    CSI 11.13
    rCSI 16.44%
    PRS 11.93
  • OFF-bipolar cell CL0000750
    CSI 11.11
    rCSI 15.19%
    PRS 12.86
  • transit amplifying cell CL0009010
    CSI 10.82
    rCSI 16.56%
    PRS 12.32
  • pancreatic PP cell CL0002275
    CSI 10.61
    rCSI 42.21%
    PRS 13.38
  • thymocyte CL0000893
    CSI 10.29
    rCSI 36.57%
    PRS 24.34
  • activated type II NK T cell CL0000931
    CSI 9.7
    rCSI 10.91%
    PRS 12.38
  • forebrain radial glial cell CL0013000
    CSI 9.69
    rCSI 31.1%
    PRS 11.27
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 9.66
    rCSI 49.9%
    PRS 15.17
  • primitive red blood cell CL0002355
    CSI 9.62
    rCSI 51.93%
    PRS 14.52
  • duct epithelial cell CL0000068
    CSI 9.59
    rCSI 14.03%
    PRS 7.99
  • respiratory epithelial cell CL0002368
    CSI 9.53
    rCSI 58.87%
    PRS 24.97
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 9.46
    rCSI 27.92%
    PRS 9.46
  • plasmacytoid dendritic cell, human CL0001058
    CSI 8.84
    rCSI 6.17%
    PRS 7.95
  • pancreatic stellate cell CL0002410
    CSI 8.84
    rCSI 51.42%
    PRS 11.39
  • epithelial cell of lung CL0000082
    CSI 8.81
    rCSI 7.3%
    PRS 7.16
  • basophil mast progenitor cell CL0002028
    CSI 8.49
    rCSI 45.28%
    PRS 27.87
  • germinal center B cell CL0000844
    CSI 8.42
    rCSI 25.12%
    PRS 19.74
  • retina horizontal cell CL0000745
    CSI 8.22
    rCSI 12.54%
    PRS 7.09
  • BEST4+ enteroycte CL4030026
    CSI 8.11
    rCSI 10.09%
    PRS 8.05
  • ciliated cell CL0000064
    CSI 7.94
    rCSI 12.86%
    PRS 7.69
  • colon epithelial cell CL0011108
    CSI 7.87
    rCSI 8.24%
    PRS 7.02
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 7.81
    rCSI 13.8%
    PRS 4.43
  • double negative thymocyte CL0002489
    CSI 6.96
    rCSI 4.84%
    PRS 8.83
  • type EC enteroendocrine cell CL0000577
    CSI 6.87
    rCSI 24.38%
    PRS 12.42
  • type B pancreatic cell CL0000169
    CSI 6.86
    rCSI 15.19%
    PRS 7
  • deuterosomal cell CL4033044
    CSI 6.81
    rCSI 23.04%
    PRS 12.93
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 6.72
    rCSI 4.83%
    PRS 10.27
  • colon goblet cell CL0009039
    CSI 6.58
    rCSI 15.65%
    PRS 11.36
  • mesodermal cell CL0000222
    CSI 6.35
    rCSI 7.62%
    PRS 7.47
  • mucosal invariant T cell CL0000940
    CSI 6.08
    rCSI 4.91%
    PRS 15
  • peripheral nervous system neuron CL2000032
    CSI 5.8
    rCSI 7.9%
    PRS 6.76
  • mature B cell CL0000785
    CSI 5.79
    rCSI 5.03%
    PRS 9.32
  • precursor B cell CL0000817
    CSI 5.72
    rCSI 5.01%
    PRS 10.17
  • club cell CL0000158
    CSI 5.66
    rCSI 8.3%
    PRS 8.85
  • CD4-positive helper T cell CL0000492
    CSI 5.46
    rCSI 4.13%
    PRS 10.52
  • naive thymus-derived CD8-positive, alpha-beta T cell CL0000900
    CSI 5.44
    rCSI 3.82%
    PRS 21.46
  • stromal cell of ovary CL0002132
    CSI 5.42
    rCSI 14.89%
    PRS 12.52
  • plasma cell CL0000786
    CSI 5.3
    rCSI 6.94%
    PRS 37.5
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 5.3
    rCSI 3.97%
    PRS 22.25
  • transit amplifying cell of small intestine CL0009012
    CSI 5.12
    rCSI 22.5%
    PRS 14.21
  • mature NK T cell CL0000814
    CSI 5.1
    rCSI 6.52%
    PRS 33.56
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 5.03
    rCSI 13.56%
    PRS 9.77
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 4.9
    rCSI 4.53%
    PRS 13.86
  • progenitor cell CL0011026
    CSI 4.83
    rCSI 10.28%
    PRS 13.98
  • bronchus fibroblast of lung CL2000093
    CSI 4.83
    rCSI 3.93%
    PRS 8.03
  • basal cell of epithelium of trachea CL1000348
    CSI 4.81
    rCSI 33.96%
    PRS 24.08
  • podocyte CL0000653
    CSI 4.77
    rCSI 21.18%
    PRS 7.55
  • fibroblast of lung CL0002553
    CSI 4.52
    rCSI 4.21%
    PRS 7.59
  • neural crest cell CL0011012
    CSI 4.49
    rCSI 3.55%
    PRS 5.2
  • myeloid leukocyte CL0000766
    CSI 4.41
    rCSI 4.06%
    PRS 7.68
  • enteric neuron CL0007011
    CSI 4.39
    rCSI 64.93%
    PRS 20.29
  • intrahepatic cholangiocyte CL0002538
    CSI 4.39
    rCSI 10.53%
    PRS 14.05
  • naive B cell CL0000788
    CSI 4.37
    rCSI 3.75%
    PRS 16.49
  • intestine goblet cell CL0019031
    CSI 4.34
    rCSI 3.85%
    PRS 7.54
  • P/D1 enteroendocrine cell CL0002268
    CSI 4.31
    rCSI 23.48%
    PRS 19.18
  • endothelial cell of placenta CL0009092
    CSI 4.19
    rCSI 20.65%
    PRS 10.21
  • megakaryocyte progenitor cell CL0000553
    CSI 4.17
    rCSI 76.2%
    PRS 21.53
  • enteric smooth muscle cell CL0002504
    CSI 4.07
    rCSI 5.8%
    PRS 8.52
  • ON-bipolar cell CL0000749
    CSI 4.06
    rCSI 6.03%
    PRS 9.46
  • epithelial cell CL0000066
    CSI 4.04
    rCSI 6.21%
    PRS 10.83
  • melanocyte CL0000148
    CSI 4.01
    rCSI 2.97%
    PRS 6.87
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 3.9
    rCSI 23.6%
    PRS 17.49
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI -7.4
    rCSI -13.5%
    PRS 6.6%
  • neural progenitor cell CL0011020
    CSI -6.9
    rCSI -30.2%
    PRS 7.6%
  • regular ventricular cardiac myocyte CL0002131
    CSI -5.8
    rCSI -35.9%
    PRS 6.2%
  • tracheobronchial smooth muscle cell CL0019019
    CSI -4.9
    rCSI -8.7%
    PRS 10.0%
  • blood vessel endothelial cell CL0000071
    CSI -4.5
    rCSI -9.4%
    PRS 7.5%
  • cardiac neuron CL0010022
    CSI -3.0
    rCSI -9.7%
    PRS 5.5%
  • tuft cell of colon CL0009041
    CSI -2.6
    rCSI -6.0%
    PRS 17.5%
  • cerebral cortex endothelial cell CL1001602
    CSI -2.1
    rCSI -3.7%
    PRS 5.8%
  • endothelial cell of periportal hepatic sinusoid CL0019021
    CSI -1.5
    rCSI -6.8%
    PRS 25.0%
  • renal principal cell CL0005009
    CSI -1.2
    rCSI -3.1%
    PRS 10.6%
  • basal cell of epidermis CL0002187
    CSI -1.1
    rCSI -2.0%
    PRS 9.1%
  • corneal epithelial cell CL0000575
    CSI -1.1
    rCSI -3.2%
    PRS 14.1%
  • renal alpha-intercalated cell CL0005011
    CSI -1.1
    rCSI -1.4%
    PRS 10.1%
  • pulmonary alveolar type 1 cell CL0002062
    CSI -1.0
    rCSI -5.8%
    PRS 10.8%
  • luminal cell of prostate epithelium CL0002340
    CSI -1.0
    rCSI -5.2%
    PRS 13.7%
  • alpha-beta T cell CL0000789
    CSI -0.9
    rCSI -1.1%
    PRS 11.1%
  • brush cell of tracheobronchial tree CL0002075
    CSI -0.8
    rCSI -2.5%
    PRS 12.1%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI -0.6
    rCSI -3.4%
    PRS 4.7%
  • dopaminergic neuron CL0000700
    CSI -0.5
    rCSI -2.8%
    PRS 2.7%
  • astrocyte of the cerebral cortex CL0002605
    CSI -0.4
    rCSI -1.0%
    PRS 4.7%
  • exhausted T cell CL0011025
    CSI -0.4
    rCSI -6.7%
    PRS 35.1%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI -0.1
    rCSI -0.4%
    PRS 5.1%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI -0.1
    rCSI -0.5%
    PRS 4.1%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI -0.1
    rCSI -0.2%
    PRS 4.3%
  • odontoblast CL0000060
    CSI 0.0
    rCSI 0.8%
    PRS 39.4%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.0
    rCSI 0.1%
    PRS 4.8%
  • Merkel cell CL0000242
    CSI 0.1
    rCSI 1.4%
    PRS 51.3%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 0.1
    rCSI 0.1%
    PRS 4.9%
  • retinal bipolar neuron CL0000748
    CSI 0.1
    rCSI 0.2%
    PRS 5.6%
  • immature alpha-beta T cell CL0000790
    CSI 0.1
    rCSI 1.6%
    PRS 74.6%
  • peptic cell CL0000155
    CSI 0.1
    rCSI 1.4%
    PRS 23.4%
  • cerebral cortex pyramidal neuron CL4023111
    CSI 0.1
    rCSI 0.9%
    PRS 24.8%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 0.1
    rCSI 0.4%
    PRS 5.8%
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.0%
    PRS 11.5%
  • double negative T regulatory cell CL0011024
    CSI 0.2
    rCSI 3.5%
    PRS 51.2%
  • epithelial cell of urethra CL1000296
    CSI 0.2
    rCSI 4.7%
    PRS 26.1%
  • type L enteroendocrine cell CL0002279
    CSI 0.2
    rCSI 0.4%
    PRS 15.0%
  • periportal region hepatocyte CL0019026
    CSI 0.2
    rCSI 0.7%
    PRS 11.8%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 0.2
    rCSI 0.3%
    PRS 4.4%
  • IgM plasma cell CL0000986
    CSI 0.2
    rCSI 0.9%
    PRS 38.6%
  • hair follicular keratinocyte CL2000092
    CSI 0.2
    rCSI 3.7%
    PRS 31.6%
  • direct pathway medium spiny neuron CL4023026
    CSI 0.2
    rCSI 5.2%
    PRS 3.1%
  • epicardial adipocyte CL1000309
    CSI 0.2
    rCSI 0.7%
    PRS 10.4%
  • B-2 B cell CL0000822
    CSI 0.2
    rCSI 5.0%
    PRS 43.8%
  • tracheobronchial serous cell CL0019001
    CSI 0.2
    rCSI 1.0%
    PRS 14.7%
  • paneth cell of colon CL0009009
    CSI 0.2
    rCSI 2.4%
    PRS 22.6%
  • bronchiolar smooth muscle cell CL4033017
    CSI 0.2
    rCSI 3.7%
    PRS 24.9%
  • retinal ganglion cell CL0000740
    CSI 0.3
    rCSI 0.6%
    PRS 5.4%
  • endocardial cell CL0002350
    CSI 0.3
    rCSI 1.3%
    PRS 11.0%
  • vasa recta descending limb cell CL1001285
    CSI 0.3
    rCSI 2.3%
    PRS 33.1%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 0.3
    rCSI 1.1%
    PRS 4.6%
  • vein endothelial cell of respiratory system CL4033008
    CSI 0.3
    rCSI 2.1%
    PRS 15.0%
  • memory T cell CL0000813
    CSI 0.3
    rCSI 0.6%
    PRS 17.2%
  • neuroendocrine cell CL0000165
    CSI 0.3
    rCSI 1.3%
    PRS 16.2%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 0.3
    rCSI 1.7%
    PRS 9.9%
  • colon macrophage CL0009038
    CSI 0.3
    rCSI 1.5%
    PRS 16.2%
  • elicited macrophage CL0000861
    CSI 0.3
    rCSI 0.3%
    PRS 8.6%
  • indirect pathway medium spiny neuron CL4023029
    CSI 0.3
    rCSI 8.1%
    PRS 3.9%
  • myeloid dendritic cell, human CL0001057
    CSI 0.3
    rCSI 1.9%
    PRS 24.5%
  • glandular epithelial cell CL0000150
    CSI 0.4
    rCSI 1.0%
    PRS 14.8%
  • basal cell of prostate epithelium CL0002341
    CSI 0.4
    rCSI 1.1%
    PRS 17.1%
  • enteroendocrine cell of colon CL0009042
    CSI 0.4
    rCSI 1.8%
    PRS 20.7%
  • lung macrophage CL1001603
    CSI 0.4
    rCSI 0.9%
    PRS 8.5%
  • myelocyte CL0002193
    CSI 0.4
    rCSI 2.7%
    PRS 25.7%
  • skeletal muscle satellite cell CL0000594
    CSI 0.4
    rCSI 1.3%
    PRS 28.4%
  • erythroblast CL0000765
    CSI 0.4
    rCSI 1.1%
    PRS 12.9%
  • enteroendocrine cell of small intestine CL0009006
    CSI 0.4
    rCSI 1.0%
    PRS 11.7%
  • squamous epithelial cell CL0000076
    CSI 0.5
    rCSI 1.1%
    PRS 9.9%
  • hepatocyte CL0000182
    CSI 0.5
    rCSI 0.8%
    PRS 7.2%
  • antibody secreting cell CL0000946
    CSI 0.5
    rCSI 2.0%
    PRS 33.3%
  • Bergmann glial cell CL0000644
    CSI 0.5
    rCSI 0.7%
    PRS 8.0%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 0.5
    rCSI 0.6%
    PRS 10.6%
  • prostate gland microvascular endothelial cell CL2000059
    CSI 0.5
    rCSI 12.1%
    PRS 27.8%
  • centrilobular region hepatocyte CL0019029
    CSI 0.5
    rCSI 1.4%
    PRS 12.9%
  • cardiac muscle cell CL0000746
    CSI 0.6
    rCSI 0.8%
    PRS 6.0%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 0.6
    rCSI 0.8%
    PRS 7.1%
  • kidney epithelial cell CL0002518
    CSI 0.6
    rCSI 1.1%
    PRS 18.2%
  • Hofbauer cell CL3000001
    CSI 0.6
    rCSI 1.1%
    PRS 9.4%
  • sst GABAergic cortical interneuron CL4023017
    CSI 0.6
    rCSI 0.8%
    PRS 4.7%
  • ependymal cell CL0000065
    CSI 0.6
    rCSI 1.2%
    PRS 2.9%
  • intermediate monocyte CL0002393
    CSI 0.6
    rCSI 0.9%
    PRS 7.5%
  • pancreatic epsilon cell CL0005019
    CSI 0.6
    rCSI 2.9%
    PRS 18.5%
  • colonocyte CL1000347
    CSI 0.6
    rCSI 0.9%
    PRS 10.4%
  • stromal cell CL0000499
    CSI 0.6
    rCSI 1.8%
    PRS 10.9%
  • mature alpha-beta T cell CL0000791
    CSI 0.6
    rCSI 2.3%
    PRS 13.0%
  • regular atrial cardiac myocyte CL0002129
    CSI 0.7
    rCSI 2.1%
    PRS 8.6%
  • retinal cone cell CL0000573
    CSI 0.7
    rCSI 1.1%
    PRS 5.8%
  • CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human CL0001074
    CSI 0.7
    rCSI 7.7%
    PRS 30.8%
  • alveolar macrophage CL0000583
    CSI 0.7
    rCSI 1.1%
    PRS 8.8%
  • glycinergic amacrine cell CL4030028
    CSI 0.7
    rCSI 1.8%
    PRS 8.3%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 0.7
    rCSI 0.8%
    PRS 4.4%
  • megakaryocyte CL0000556
    CSI 0.7
    rCSI 3.0%
    PRS 13.9%
  • glial cell CL0000125
    CSI 0.7
    rCSI 2.7%
    PRS 8.0%
  • mucus secreting cell CL0000319
    CSI 0.8
    rCSI 1.2%
    PRS 9.8%
  • renal beta-intercalated cell CL0002201
    CSI 0.8
    rCSI 1.8%
    PRS 9.3%
  • endothelial cell of uterus CL0009095
    CSI 0.8
    rCSI 5.6%
    PRS 21.1%
  • intraepithelial lymphocyte CL0002496
    CSI 0.8
    rCSI 2.2%
    PRS 33.6%
  • bronchial goblet cell CL1000312
    CSI 0.8
    rCSI 3.2%
    PRS 16.7%
  • follicular B cell CL0000843
    CSI 0.8
    rCSI 3.1%
    PRS 33.8%
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI 0.9
    rCSI 2.2%
    PRS 23.2%

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 Analyzed for its specificity (CSI Z-SCORE), [SF3B2](/details-gene/10992) is identified not as a specific cell-type marker, but as a ubiquitously expressed and essential component of the cellular machinery. As a core subunit of the Splicing Factor 3b (SF3b) protein complex, it plays a fundamental role in pre-mRNA splicing. Its expression pattern, characterized by a lack of cell-type enrichment across diverse lineages, is consistent with a critical housekeeping function required for the survival and operation of virtually all transcriptionally active cells. ## Cellular Roles and Expression Landscape The expression profile of [SF3B2](/details-gene/10992), when evaluated for cell-type specificity, underscores its role as a housekeeping gene. Its consistently low CSI (Z-SCORE) of 0.00 and modest percentile rank (PRS typically below 10%) in the **Overall** context indicate that its expression is not significantly enriched in any particular cell type compared to the average. This lack of specificity is observed across a wide array of functionally distinct cells, including hematopoietic progenitors like [megakaryocyte-erythroid progenitor cell](/details-cell/CL0000050) and [common myeloid progenitor](/details-cell/CL0000049), differentiating immune cells such as [plasmablast](/details-cell/CL0000980), and various epithelial cells, including [multi-ciliated epithelial cell](/details-cell/CL0005012) and [fallopian tube secretory epithelial cell](/details-cell/CL4030006). While the effect size (deltaVal) is high (often >0.9) in these cell types, this metric, when combined with a null Z-score, suggests that [SF3B2](/details-gene/10992) is broadly and uniformly expressed rather than being a distinguishing feature of any single population. This expression pattern is vital for cells undergoing active transcription, differentiation, and proliferation, as all require robust mRNA processing capabilities. The presence of [SF3B2](/details-gene/10992) in these varied cell lineages highlights its indispensable function in the core nuclear processes common to all eukaryotic cells. ## Pathways and Molecular Function The ubiquitous expression of [SF3B2](/details-gene/10992) is directly explained by its central role in RNA metabolism. As a key component of the Splicing Factor 3b complex, it is integral to the assembly and function of the spliceosome, particularly the U2 snRNP. This function is critical for the excision of introns from pre-mRNA, a prerequisite for the production of mature, translatable mRNA. Foundational research has detailed the molecular architecture of the SF3b complex and its role in the early stages of spliceosome assembly (PubMed: 12738865, DOI: 10.1126/science.1084155; PubMed: 8566756, DOI: 10.1101/gad.10.2.233). Functional annotations confirm this role, placing [SF3B2](/details-gene/10992) squarely within key biological processes such as '[Mrna splicing, via spliceosome](/details-go/GO:0000398)' and '[Mrna processing](/details-go/GO:0006397)'. It is a structural constituent of multiple spliceosomal assemblies, including the '[Catalytic step 2 spliceosome](/details-go/GO:0071013)' and '[U2-type spliceosomal complex](/details-go/GO:0005684)', and localizes to the '[Nucleus](/details-go/GO:0005634)' and '[Nuclear speck](/details-go/GO:0016607)'. This is further corroborated by its involvement in Reactome pathways like '[Mrna splicing - major pathway](/details-pathway/R-HSA-72163)' and '[Processing of capped intron-containing pre-mrna](/details-pathway/R-HSA-72203)'. The clinical association of mutations in splicing factors with developmental disorders, such as Acromandibular dysplasia ([OMIM: 164210](https://omim.org/entry/164210)), illustrates the severe consequences of disrupting this fundamental machinery. ## Research Directions Given that [SF3B2](/details-gene/10992) is a core housekeeping gene, research should focus on subtle, context-dependent regulatory mechanisms rather than its binary presence or absence. The data suggests that while its expression is not specific, its function might be modulated to meet the unique demands of different cell types. ### Testable Hypotheses: 1. **Post-transcriptional regulation of SF3B2 dictates protein abundance in highly proliferative cells.** The slightly more prominent, though non-significant, signal in progenitor cells suggests that while transcript levels are stable, translational efficiency or protein stability of SF3B2 may be enhanced to support the high demand for splicing during rapid cell division and differentiation. * **Experimental Approach:** Use ribosome profiling (Ribo-Seq) and quantitative mass spectrometry to compare SF3B2 translational efficiency and protein abundance in sorted [hematopoietic stem cell](/details-cell/CL0000037)s versus terminally differentiated counterparts like mature erythrocytes or lymphocytes. 2. **Cell-type-specific interacting partners modulate SF3B2 function.** Although SF3B2 is a core component, its interaction with auxiliary factors may be dynamic and dictate its substrate specificity or activity. In [plasmablast](/details-cell/CL0000980)s, which are specialized for high-level antibody production, SF3B2 may associate with unique proteins to ensure efficient splicing of complex immunoglobulin gene transcripts. * **Experimental Approach:** Perform comparative co-immunoprecipitation of endogenous SF3B2 followed by mass spectrometry (Co-IP/MS) on nuclear extracts from primary human plasmablasts and a control cell type, such as [lung ciliated cell](/details-cell/CL1000271), to identify differential protein interactors. 3. **Stress conditions reveal differential dependencies on SF3B2-mediated splicing.** Under cellular stress (e.g., viral infection, DNA damage), the splicing landscape is often remodeled. The reliance on SF3B2 function may vary, with certain cell types being more vulnerable to its partial inhibition than others, potentially exposing a synthetic lethal relationship. * **Experimental Approach:** Utilize CRISPRi to achieve partial knockdown of [SF3B2](/details-gene/10992) in various cell lines (e.g., hematopoietic progenitors vs. epithelial cells). Subsequently, expose these cells to a DNA damaging agent (e.g., etoposide) and measure cell viability and changes in the alternative splicing landscape via RNA-seq. ### Therapeutic Potential: Directly targeting a ubiquitous and essential gene like [SF3B2](/details-gene/10992) presents significant challenges due to the high probability of systemic toxicity. However, the spliceosome is a validated therapeutic target in oncology, particularly in hematological malignancies with mutations in other splicing factors like *SF3B1*. Modulators of the SF3b complex could have therapeutic windows in cancers that exhibit 'splicing addiction.' Therefore, understanding the precise dependencies and regulatory networks surrounding [SF3B2](/details-gene/10992) in specific disease states may uncover opportunities for targeted therapies that exploit cancer-specific vulnerabilities in the splicing machinery.

Genular Protein ID: 825840430

Symbol: SF3B2_HUMAN

Name: Splicing factor 3B subunit 2

UniProtKB Accession Codes:

Database IDs:

Citations:

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: 8566756

Title: Evidence that sequence-independent binding of highly conserved U2 snRNP proteins upstream of the branch site is required for assembly of spliceosomal complex A.

PubMed ID: 8566756

DOI: 10.1101/gad.10.2.233

PubMed ID: 10882114

Title: Functional association of U2 snRNP with the ATP-independent spliceosomal complex E.

PubMed ID: 10882114

DOI: 10.1016/s1097-2765(00)80318-4

PubMed ID: 12234937

Title: Characterization of novel SF3b and 17S U2 snRNP proteins, including a human Prp5p homologue and an SF3b DEAD-box protein.

PubMed ID: 12234937

DOI: 10.1093/emboj/cdf480

PubMed ID: 11991638

Title: Purification and characterization of native spliceosomes suitable for three-dimensional structural analysis.

PubMed ID: 11991638

DOI: 10.1017/s1355838202021088

PubMed ID: 12738865

Title: Molecular architecture of the multiprotein splicing factor SF3b.

PubMed ID: 12738865

DOI: 10.1126/science.1084155

PubMed ID: 15146077

Title: The human 18S U11/U12 snRNP contains a set of novel proteins not found in the U2-dependent spliceosome.

PubMed ID: 15146077

DOI: 10.1261/rna.7320604

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: 16923959

Title: Human immunodeficiency virus type 1 Vpr induces G2 checkpoint activation by interacting with the splicing factor SAP145.

PubMed ID: 16923959

DOI: 10.1128/mcb.01170-06

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

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: 18318008

Title: Large-scale phosphoproteome analysis of human liver tissue by enrichment and fractionation of phosphopeptides with strong anion exchange chromatography.

PubMed ID: 18318008

DOI: 10.1002/pmic.200700884

PubMed ID: 19413330

Title: Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach.

PubMed ID: 19413330

DOI: 10.1021/ac9004309

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: 19608861

Title: Lysine acetylation targets protein complexes and co-regulates major cellular functions.

PubMed ID: 19608861

DOI: 10.1126/science.1175371

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: 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: 23186163

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

PubMed ID: 23186163

DOI: 10.1021/pr300630k

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: 24129315

Title: Immunoaffinity enrichment and mass spectrometry analysis of protein methylation.

PubMed ID: 24129315

DOI: 10.1074/mcp.o113.027870

PubMed ID: 25218447

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

PubMed ID: 25218447

DOI: 10.1038/nsmb.2890

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: 25737013

Title: PRMT9 is a type II methyltransferase that methylates the splicing factor SAP145.

PubMed ID: 25737013

DOI: 10.1038/ncomms7428

PubMed ID: 25979344

Title: Unique features of human protein arginine methyltransferase 9 (PRMT9) and its substrate RNA splicing factor SF3B2.

PubMed ID: 25979344

DOI: 10.1074/jbc.m115.659433

PubMed ID: 26030138

Title: Identification of Novel Proteins Co-Purifying with Cockayne Syndrome Group B (CSB) Reveals Potential Roles for CSB in RNA Metabolism and Chromatin Dynamics.

PubMed ID: 26030138

DOI: 10.1371/journal.pone.0128558

PubMed ID: 27720643

Title: Molecular architecture of SF3b and structural consequences of its cancer-related mutations.

PubMed ID: 27720643

DOI: 10.1016/j.molcel.2016.08.036

PubMed ID: 27905398

Title: Structure of the RBM7-ZCCHC8 core of the NEXT complex reveals connections to splicing factors.

PubMed ID: 27905398

DOI: 10.1038/ncomms13573

PubMed ID: 28541300

Title: Splicing modulators act at the branch point adenosine binding pocket defined by the PHF5A-SF3b complex.

PubMed ID: 28541300

DOI: 10.1038/ncomms15522

PubMed ID: 32494006

Title: Molecular architecture of the human 17S U2 snRNP.

PubMed ID: 32494006

DOI: 10.1038/s41586-020-2344-3

PubMed ID: 33509932

Title: Structure of the activated human minor spliceosome.

PubMed ID: 33509932

DOI: 10.1126/science.abg0879

PubMed ID: 34822310

Title: Structural basis of branch site recognition by the human spliceosome.

PubMed ID: 34822310

DOI: 10.1126/science.abm4245

PubMed ID: 36797247

Title: Mechanisms of the RNA helicases DDX42 and DDX46 in human U2 snRNP assembly.

PubMed ID: 36797247

DOI: 10.1038/s41467-023-36489-x

PubMed ID: 34344887

Title: Haploinsufficiency of SF3B2 causes craniofacial microsomia.

PubMed ID: 34344887

DOI: 10.1038/s41467-021-24852-9

Sequence Information:

  • Length: 895
  • Mass: 100228
  • Checksum: D372AFA679443AD6
  • Sequence:
  • MATEHPEPPK AELQLPPPPP PGHYGAWAAQ ELQAKLAEIG APIQGNREEL VERLQSYTRQ 
    TGIVLNRPVL RGEDGDKAAP PPMSAQLPGI PMPPPPLGLP PLQPPPPPPP PPPGLGLGFP 
    MAHPPNLGPP PPLRVGEPVA LSEEERLKLA QQQAALLMQQ EERAKQQGDH SLKEHELLEQ 
    QKRAAVLLEQ ERQQEIAKMG TPVPRPPQDM GQIGVRTPLG PRVAAPVGPV GPTPTVLPMG 
    APVPRPRGPP PPPGDENREM DDPSVGPKIP QALEKILQLK ESRQEEMNSQ QEEEEMETDA 
    RSSLGQSASE TEEDTVSVSK KEKNRKRRNR KKKKKPQRVR GVSSESSGDR EKDSTRSRGS 
    DSPAADVEIE YVTEEPEIYE PNFIFFKRIF EAFKLTDDVK KEKEKEPEKL DKLENSAAPK 
    KKGFEEEHKD SDDDSSDDEQ EKKPEAPKLS KKKLRRMNRF TVAELKQLVA RPDVVEMHDV 
    TAQDPKLLVH LKATRNSVPV PRHWCFKRKY LQGKRGIEKP PFELPDFIKR TGIQEMREAL 
    QEKEEQKTMK SKMREKVRPK MGKIDIDYQK LHDAFFKWQT KPKLTIHGDL YYEGKEFETR 
    LKEKKPGDLS DELRISLGMP VGPNAHKVPP PWLIAMQRYG PPPSYPNLKI PGLNSPIPES 
    CSFGYHAGGW GKPPVDETGK PLYGDVFGTN AAEFQTKTEE EEIDRTPWGE LEPSDEESSE 
    EEEEEESDED KPDETGFITP ADSGLITPGG FSSVPAGMET PELIELRKKK IEEAMDGSET 
    PQLFTVLPEK RTATVGGAMM GSTHIYDMST VMSRKGPAPE LQGVEVALAP EELELDPMAM 
    TQKYEEHVRE QQAQVEKEDF SDMVAEHAAK QKQKKRKAQP QDSRGGSKKY KEFKF