Details for: IDH3B

Gene ID: 3420

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: IDH3B

Ensembl ID: ENSG00000101365

Description: isocitrate dehydrogenase (NAD(+)) 3 non-catalytic subunit beta

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • epithelial cell of lower respiratory tract CL0002632
    CSI 17.44
    rCSI 13.52%
    PRS 58.81
  • pancreatic acinar cell CL0002064
    CSI 11.62
    rCSI 15.44%
    PRS 63.47
  • retinal ganglion cell CL0000740
    CSI 9.76
    rCSI 21.57%
    PRS 43.85
  • interneuron CL0000099
    CSI 8.88
    rCSI 17.84%
    PRS 46.61
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 7.26
    rCSI 5.81%
    PRS 78.13
  • intestinal tuft cell CL0019032
    CSI 6.43
    rCSI 9.82%
    PRS 61.82
  • fallopian tube secretory epithelial cell CL4030006
    CSI 6.03
    rCSI 5.8%
    PRS 57.52
  • placental villous trophoblast CL2000060
    CSI 5.81
    rCSI 8.99%
    PRS 55.31
  • intestinal epithelial cell CL0002563
    CSI 5.67
    rCSI 5.93%
    PRS 55.61
  • double negative thymocyte CL0002489
    CSI 5.59
    rCSI 3.88%
    PRS 67.99
  • ciliated cell CL0000064
    CSI 5.47
    rCSI 8.86%
    PRS 54.41
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 4.81
    rCSI 5.81%
    PRS 65.94
  • alpha-beta T cell CL0000789
    CSI 4.74
    rCSI 5.55%
    PRS 73.84
  • CD4-positive helper T cell CL0000492
    CSI 4.59
    rCSI 3.47%
    PRS 70.96
  • common lymphoid progenitor CL0000051
    CSI 4.53
    rCSI 6.05%
    PRS 79.11
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 4.21
    rCSI 3.2%
    PRS 70.07
  • BEST4+ enteroycte CL4030026
    CSI 4.18
    rCSI 5.19%
    PRS 59.31
  • tracheobronchial smooth muscle cell CL0019019
    CSI 4.14
    rCSI 7.31%
    PRS 65.83
  • erythroid progenitor cell CL0000038
    CSI 4.13
    rCSI 23.68%
    PRS 67.18
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 4.03
    rCSI 7.12%
    PRS 38.66
  • mature T cell CL0002419
    CSI 3.81
    rCSI 2.96%
    PRS 75.31
  • transit amplifying cell of colon CL0009011
    CSI 3.76
    rCSI 4.42%
    PRS 59.93
  • transit amplifying cell of small intestine CL0009012
    CSI 3.69
    rCSI 16.22%
    PRS 73.16
  • T follicular helper cell CL0002038
    CSI 3.62
    rCSI 2.71%
    PRS 72.3
  • perivascular cell CL4033054
    CSI 3.61
    rCSI 4.94%
    PRS 63.04
  • memory T cell CL0000813
    CSI 3.59
    rCSI 6.92%
    PRS 83.97
  • immature B cell CL0000816
    CSI 3.56
    rCSI 2.64%
    PRS 70.97
  • extravillous trophoblast CL0008036
    CSI 3.48
    rCSI 4.31%
    PRS 53.5
  • stem cell CL0000034
    CSI 3.38
    rCSI 3.26%
    PRS 47.81
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 3.27
    rCSI 9.65%
    PRS 60.58
  • epithelial cell CL0000066
    CSI 3.26
    rCSI 5%
    PRS 54.69
  • ON-bipolar cell CL0000749
    CSI 3.12
    rCSI 4.64%
    PRS 59.08
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 3.05
    rCSI 2.03%
    PRS 78.33
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 3.04
    rCSI 1.79%
    PRS 74.37
  • group 3 innate lymphoid cell CL0001071
    CSI 3.03
    rCSI 2.28%
    PRS 62.29
  • naive T cell CL0000898
    CSI 2.99
    rCSI 2.08%
    PRS 72.18
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 2.98
    rCSI 7.18%
    PRS 75.34
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 2.96
    rCSI 8.5%
    PRS 76.77
  • unswitched memory B cell CL0000970
    CSI 2.93
    rCSI 2.46%
    PRS 74.8
  • fraction A pre-pro B cell CL0002045
    CSI 2.88
    rCSI 3.3%
    PRS 77.21
  • mature B cell CL0000785
    CSI 2.88
    rCSI 2.5%
    PRS 67.81
  • secretory cell CL0000151
    CSI 2.87
    rCSI 3%
    PRS 57.53
  • myeloid dendritic cell CL0000782
    CSI 2.73
    rCSI 3.96%
    PRS 73.3
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.73
    rCSI 5.21%
    PRS 72.74
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 2.72
    rCSI 2.77%
    PRS 70.67
  • ventricular cardiac muscle cell CL2000046
    CSI 2.68
    rCSI 9.19%
    PRS 81.78
  • fibroblast of lung CL0002553
    CSI 2.61
    rCSI 2.43%
    PRS 57.4
  • type B pancreatic cell CL0000169
    CSI 2.51
    rCSI 5.55%
    PRS 55.29
  • Hofbauer cell CL3000001
    CSI 2.46
    rCSI 4.65%
    PRS 67.93
  • vascular associated smooth muscle cell CL0000359
    CSI 2.46
    rCSI 7.98%
    PRS 58.31
  • duct epithelial cell CL0000068
    CSI 2.45
    rCSI 3.58%
    PRS 61.42
  • goblet cell CL0000160
    CSI 2.37
    rCSI 2.24%
    PRS 57.1
  • hematopoietic stem cell CL0000037
    CSI 2.35
    rCSI 1.56%
    PRS 60.58
  • elicited macrophage CL0000861
    CSI 2.34
    rCSI 2.15%
    PRS 65.89
  • rod bipolar cell CL0000751
    CSI 2.34
    rCSI 4.2%
    PRS 50.43
  • class switched memory B cell CL0000972
    CSI 2.3
    rCSI 1.71%
    PRS 74.62
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.28
    rCSI 1.53%
    PRS 70.11
  • renal alpha-intercalated cell CL0005011
    CSI 2.26
    rCSI 3.02%
    PRS 66.33
  • IgA plasma cell CL0000987
    CSI 2.24
    rCSI 2.3%
    PRS 72.98
  • skin fibroblast CL0002620
    CSI 2.19
    rCSI 1.89%
    PRS 63.44
  • interstitial cell of Cajal CL0002088
    CSI 2.18
    rCSI 2.78%
    PRS 63.61
  • L6b glutamatergic cortical neuron CL4023038
    CSI 2.17
    rCSI 6.79%
    PRS 41.13
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 2.17
    rCSI 1.96%
    PRS 54.01
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.16
    rCSI 2.13%
    PRS 73.2
  • neural crest cell CL0011012
    CSI 2.16
    rCSI 1.71%
    PRS 44.29
  • inflammatory macrophage CL0000863
    CSI 2.16
    rCSI 3.69%
    PRS 81.46
  • lung macrophage CL1001603
    CSI 2.11
    rCSI 4.72%
    PRS 64.86
  • alveolar type 1 fibroblast cell CL4028004
    CSI 2.11
    rCSI 2.31%
    PRS 61.24
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 2.1
    rCSI 10.53%
    PRS 69.76
  • pro-B cell CL0000826
    CSI 2.08
    rCSI 1.72%
    PRS 59.08
  • intestine goblet cell CL0019031
    CSI 2.08
    rCSI 1.85%
    PRS 55.44
  • precursor B cell CL0000817
    CSI 2.08
    rCSI 1.82%
    PRS 67.39
  • plasmablast CL0000980
    CSI 2.08
    rCSI 1.64%
    PRS 64.04
  • myofibroblast cell CL0000186
    CSI 2.07
    rCSI 2.87%
    PRS 59.14
  • hematopoietic precursor cell CL0008001
    CSI 2.06
    rCSI 2.12%
    PRS 74.35
  • OFF-bipolar cell CL0000750
    CSI 2.06
    rCSI 2.82%
    PRS 65.16
  • T-helper 17 cell CL0000899
    CSI 2.05
    rCSI 1.63%
    PRS 78.96
  • multi-ciliated epithelial cell CL0005012
    CSI 2.04
    rCSI 2.04%
    PRS 50.76
  • transit amplifying cell CL0009010
    CSI 2.01
    rCSI 3.08%
    PRS 71.51
  • ionocyte CL0005006
    CSI 2
    rCSI 2.15%
    PRS 56.26
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 1.99
    rCSI 3.11%
    PRS 82.02
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 1.99
    rCSI 1.84%
    PRS 77.02
  • mesenchymal stem cell CL0000134
    CSI 1.98
    rCSI 21.73%
    PRS 70.65
  • mucous neck cell CL0000651
    CSI 1.98
    rCSI 2.85%
    PRS 68.7
  • M cell of gut CL0000682
    CSI 1.96
    rCSI 2.08%
    PRS 68.64
  • alveolar adventitial fibroblast CL4028006
    CSI 1.95
    rCSI 3.08%
    PRS 59.15
  • activated type II NK T cell CL0000931
    CSI 1.92
    rCSI 2.16%
    PRS 73.78
  • pulmonary ionocyte CL0017000
    CSI 1.87
    rCSI 2.28%
    PRS 64.98
  • paneth cell CL0000510
    CSI 1.86
    rCSI 2.75%
    PRS 73.72
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.83
    rCSI 2.36%
    PRS 40.79
  • conventional dendritic cell CL0000990
    CSI 1.83
    rCSI 1.53%
    PRS 70.36
  • bronchus fibroblast of lung CL2000093
    CSI 1.81
    rCSI 1.47%
    PRS 57.81
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.79
    rCSI 1.25%
    PRS 60.06
  • granulocyte CL0000094
    CSI 1.78
    rCSI 2.72%
    PRS 66.52
  • retina horizontal cell CL0000745
    CSI 1.74
    rCSI 2.65%
    PRS 53.63
  • epithelial cell of lung CL0000082
    CSI 1.69
    rCSI 1.4%
    PRS 56.24
  • early lymphoid progenitor CL0000936
    CSI 1.65
    rCSI 1.45%
    PRS 62.59
  • conjunctival epithelial cell CL1000432
    CSI 1.62
    rCSI 2.48%
    PRS 57.84
  • club cell CL0000158
    CSI 1.6
    rCSI 2.34%
    PRS 54.06
  • myeloid leukocyte CL0000766
    CSI 1.59
    rCSI 1.47%
    PRS 58.32
  • pre-conventional dendritic cell CL0002010
    CSI 0.1
    rCSI 1.5%
    PRS 85.1%
  • pluripotent stem cell CL0002248
    CSI 0.2
    rCSI 4.6%
    PRS 77.9%
  • bronchiolar smooth muscle cell CL4033017
    CSI 0.2
    rCSI 3.5%
    PRS 75.6%
  • eosinophil CL0000771
    CSI 0.4
    rCSI 2.6%
    PRS 84.5%
  • parietal cell CL0000162
    CSI 0.4
    rCSI 3.5%
    PRS 85.4%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.5
    rCSI 2.3%
    PRS 79.3%
  • helper T cell CL0000912
    CSI 0.5
    rCSI 0.7%
    PRS 63.4%
  • pancreatic stellate cell CL0002410
    CSI 0.5
    rCSI 2.8%
    PRS 66.9%
  • enteric neuron CL0007011
    CSI 0.5
    rCSI 7.2%
    PRS 73.8%
  • neutrophil CL0000775
    CSI 0.5
    rCSI 3.0%
    PRS 65.3%
  • enterocyte of epithelium of small intestine CL1000334
    CSI 0.6
    rCSI 8.6%
    PRS 76.5%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 0.6
    rCSI 1.7%
    PRS 58.9%
  • enteroendocrine cell of colon CL0009042
    CSI 0.7
    rCSI 3.3%
    PRS 76.9%
  • retinal cone cell CL0000573
    CSI 0.7
    rCSI 1.2%
    PRS 47.1%
  • bronchial goblet cell CL1000312
    CSI 0.7
    rCSI 2.9%
    PRS 74.6%
  • erythroid lineage cell CL0000764
    CSI 0.7
    rCSI 4.8%
    PRS 76.1%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 0.8
    rCSI 2.3%
    PRS 69.7%
  • promonocyte CL0000559
    CSI 0.8
    rCSI 1.4%
    PRS 66.4%
  • large pre-B-II cell CL0000957
    CSI 0.9
    rCSI 2.4%
    PRS 69.9%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.9
    rCSI 6.5%
    PRS 74.6%
  • forebrain radial glial cell CL0013000
    CSI 0.9
    rCSI 2.9%
    PRS 63.0%
  • dendritic cell, human CL0001056
    CSI 0.9
    rCSI 1.4%
    PRS 65.9%
  • Cajal-Retzius cell CL0000695
    CSI 0.9
    rCSI 7.4%
    PRS 70.3%
  • colon goblet cell CL0009039
    CSI 0.9
    rCSI 2.2%
    PRS 67.3%
  • glycinergic amacrine cell CL4030028
    CSI 0.9
    rCSI 2.5%
    PRS 55.5%
  • respiratory basal cell CL0002633
    CSI 1.0
    rCSI 1.0%
    PRS 62.8%
  • regular atrial cardiac myocyte CL0002129
    CSI 1.0
    rCSI 3.1%
    PRS 55.9%
  • lung pericyte CL0009089
    CSI 1.0
    rCSI 2.7%
    PRS 66.1%
  • intermediate monocyte CL0002393
    CSI 1.1
    rCSI 1.6%
    PRS 60.8%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.1
    rCSI 2.9%
    PRS 65.3%
  • mesodermal cell CL0000222
    CSI 1.1
    rCSI 1.3%
    PRS 55.3%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.1
    rCSI 2.4%
    PRS 70.7%
  • lung ciliated cell CL1000271
    CSI 1.1
    rCSI 1.3%
    PRS 47.4%
  • alternatively activated macrophage CL0000890
    CSI 1.1
    rCSI 1.4%
    PRS 69.7%
  • alveolar macrophage CL0000583
    CSI 1.2
    rCSI 1.9%
    PRS 62.8%
  • keratinocyte CL0000312
    CSI 1.2
    rCSI 1.0%
    PRS 62.1%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.2
    rCSI 2.2%
    PRS 49.7%
  • pancreatic ductal cell CL0002079
    CSI 1.2
    rCSI 2.4%
    PRS 60.0%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.2
    rCSI 1.1%
    PRS 62.1%
  • mesenchymal cell CL0008019
    CSI 1.2
    rCSI 3.1%
    PRS 51.8%
  • muscle cell CL0000187
    CSI 1.2
    rCSI 2.5%
    PRS 76.3%
  • enterocyte of epithelium of large intestine CL0002071
    CSI 1.2
    rCSI 6.5%
    PRS 68.3%
  • enterocyte CL0000584
    CSI 1.2
    rCSI 2.0%
    PRS 62.0%
  • foveolar cell of stomach CL0002179
    CSI 1.3
    rCSI 2.7%
    PRS 69.5%
  • acinar cell CL0000622
    CSI 1.3
    rCSI 1.8%
    PRS 68.9%
  • glioblast CL0000030
    CSI 1.3
    rCSI 2.0%
    PRS 50.2%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 1.3
    rCSI 1.5%
    PRS 77.2%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.3
    rCSI 1.0%
    PRS 57.3%
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 1.3
    rCSI 1.8%
    PRS 82.3%
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 1.3
    rCSI 1.8%
    PRS 77.2%
  • radial glial cell CL0000681
    CSI 1.4
    rCSI 1.9%
    PRS 56.3%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.4
    rCSI 3.3%
    PRS 51.3%
  • mature alpha-beta T cell CL0000791
    CSI 1.4
    rCSI 5.1%
    PRS 76.9%
  • nasal mucosa goblet cell CL0002480
    CSI 1.4
    rCSI 1.6%
    PRS 65.6%
  • common dendritic progenitor CL0001029
    CSI 1.4
    rCSI 1.8%
    PRS 67.7%
  • primitive red blood cell CL0002355
    CSI 1.4
    rCSI 7.6%
    PRS 70.5%
  • progenitor cell CL0011026
    CSI 1.4
    rCSI 3.0%
    PRS 57.4%
  • colon epithelial cell CL0011108
    CSI 1.4
    rCSI 1.5%
    PRS 53.9%
  • enteric smooth muscle cell CL0002504
    CSI 1.4
    rCSI 2.0%
    PRS 59.8%
  • basal cell CL0000646
    CSI 1.5
    rCSI 2.0%
    PRS 57.9%
  • cardiac muscle cell CL0000746
    CSI 1.5
    rCSI 2.2%
    PRS 47.4%
  • ependymal cell CL0000065
    CSI 1.5
    rCSI 3.1%
    PRS 37.3%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 1.5
    rCSI 3.0%
    PRS 75.3%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.5
    rCSI 2.4%
    PRS 61.3%
  • ciliated epithelial cell CL0000067
    CSI 1.5
    rCSI 1.3%
    PRS 45.4%
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 1.5
    rCSI 1.1%
    PRS 71.6%
  • mononuclear phagocyte CL0000113
    CSI 1.5
    rCSI 3.4%
    PRS 61.4%
  • colonocyte CL1000347
    CSI 1.5
    rCSI 2.2%
    PRS 62.0%
  • mucus secreting cell CL0000319
    CSI 1.6
    rCSI 2.5%
    PRS 68.6%
  • enteroendocrine cell CL0000164
    CSI 1.6
    rCSI 2.1%
    PRS 59.2%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.6
    rCSI 2.0%
    PRS 54.8%
  • peripheral nervous system neuron CL2000032
    CSI 1.6
    rCSI 2.1%
    PRS 49.5%
  • podocyte CL0000653
    CSI 1.6
    rCSI 6.9%
    PRS 56.6%
  • erythrocyte CL0000232
    CSI 1.6
    rCSI 3.6%
    PRS 61.8%
  • common myeloid progenitor CL0000049
    CSI 1.6
    rCSI 1.3%
    PRS 58.6%
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.6
    rCSI 1.8%
    PRS 50.8%
  • promyelocyte CL0000836
    CSI 1.6
    rCSI 2.3%
    PRS 66.9%
  • myeloid leukocyte CL0000766
    CSI 1.6
    rCSI 1.5%
    PRS 58.3%
  • club cell CL0000158
    CSI 1.6
    rCSI 2.3%
    PRS 54.1%
  • conjunctival epithelial cell CL1000432
    CSI 1.6
    rCSI 2.5%
    PRS 57.8%
  • early lymphoid progenitor CL0000936
    CSI 1.7
    rCSI 1.5%
    PRS 62.6%
  • epithelial cell of lung CL0000082
    CSI 1.7
    rCSI 1.4%
    PRS 56.2%
  • retina horizontal cell CL0000745
    CSI 1.7
    rCSI 2.7%
    PRS 53.6%
  • granulocyte CL0000094
    CSI 1.8
    rCSI 2.7%
    PRS 66.5%
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.8
    rCSI 1.3%
    PRS 60.1%
  • bronchus fibroblast of lung CL2000093
    CSI 1.8
    rCSI 1.5%
    PRS 57.8%
  • conventional dendritic cell CL0000990
    CSI 1.8
    rCSI 1.5%
    PRS 70.4%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.8
    rCSI 2.4%
    PRS 40.8%
  • paneth cell CL0000510
    CSI 1.9
    rCSI 2.8%
    PRS 73.7%
  • pulmonary ionocyte CL0017000
    CSI 1.9
    rCSI 2.3%
    PRS 65.0%
  • activated type II NK T cell CL0000931
    CSI 1.9
    rCSI 2.2%
    PRS 73.8%
  • alveolar adventitial fibroblast CL4028006
    CSI 2.0
    rCSI 3.1%
    PRS 59.2%
  • M cell of gut CL0000682
    CSI 2.0
    rCSI 2.1%
    PRS 68.6%
  • mucous neck cell CL0000651
    CSI 2.0
    rCSI 2.9%
    PRS 68.7%
  • mesenchymal stem cell CL0000134
    CSI 2.0
    rCSI 21.7%
    PRS 70.7%
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 2.0
    rCSI 1.8%
    PRS 77.0%
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 2.0
    rCSI 3.1%
    PRS 82.0%
  • ionocyte CL0005006
    CSI 2.0
    rCSI 2.2%
    PRS 56.3%
  • transit amplifying cell CL0009010
    CSI 2.0
    rCSI 3.1%
    PRS 71.5%
  • multi-ciliated epithelial cell CL0005012
    CSI 2.0
    rCSI 2.0%
    PRS 50.8%

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 [IDH3B](/details-gene/3420) encodes the isocitrate dehydrogenase (NAD+) 3 non-catalytic subunit beta, a key component of the mitochondrial machinery. This protein is a subunit of the NAD+-dependent isocitrate dehydrogenase enzyme complex, which plays a critical role in cellular energy production by catalyzing a rate-limiting step in the tricarboxylic acid (TCA) cycle. Reflecting its fundamental role in aerobic respiration, [IDH3B](/details-gene/3420) shows significant expression in a wide range of cell types with high metabolic demands, including secretory epithelial cells, neurons, and proliferating lymphocytes. Its function is essential for the conversion of isocitrate to alpha-ketoglutarate, a process central to cellular metabolism and biosynthesis. ## Cellular Roles and Expression Landscape The expression profile of [IDH3B](/details-gene/3420) underscores its ubiquitous and critical role in cellular bioenergetics across diverse tissues. **Overall**, the gene's significance is most pronounced in cells characterized by high rates of metabolic activity. It is a top marker in the `[epithelial cell of lower respiratory tract](/details-cell/CL0002632)` (CSI: 17.44) and `[pancreatic acinar cell](/details-cell/CL0002064)` (CSI: 11.62), cell types that require substantial energy for processes like ciliary movement and the synthesis and secretion of enzymes, respectively. The gene's importance extends to the nervous system, with high significance in `[retinal ganglion cell](/details-cell/CL0000740)` (CSI: 9.76) and `[interneuron](/details-cell/CL0000099)` (CSI: 8.88). This is consistent with the immense energy demand of neurons for maintaining ion gradients and synaptic transmission, and a link between isocitrate dehydrogenase dysfunction and retinitis pigmentosa has been previously suggested [Link](https://doi.org/10.1038/ng.223). Furthermore, [IDH3B](/details-gene/3420) is highly significant in various immune cell populations, including `[CD4-positive, alpha-beta thymocyte](/details-cell/CL0000810)` (CSI: 7.26) and `[double negative thymocyte](/details-cell/CL0002489)` (CSI: 5.59), highlighting the energetic requirements for lymphocyte development, proliferation, and function. This broad expression pattern establishes [IDH3B](/details-gene/3420) as a fundamental "workhorse" gene essential for the basal metabolic function of many specialized cell types. ## Pathways and Molecular Function Functionally, [IDH3B](/details-gene/3420) is localized to the `[mitochondrial matrix](/details-cell/GO:0005759)` where it assembles into the `[isocitrate dehydrogenase complex (nad+)](/details-cell/GO:0045242)`. This complex is a central player in the `[Tricarboxylic acid cycle](/details-cell/GO:0006099)` ([R-HSA-71403](https://reactome.org/content/detail/R-HSA-71403)), a core pathway for `[aerobic respiration and respiratory electron transport](/details-cell/R-HSA-1428517)`. The primary biological process associated with [IDH3B](/details-gene/3420) is the `[isocitrate metabolic process](/details-cell/GO:0006102)`, which involves the oxidative decarboxylation of isocitrate to yield alpha-ketoglutarate and NADH. At the molecular level, its function involves `[isocitrate dehydrogenase (nad+) activity](/details-cell/GO:0004449)`, `[NAD binding](/details-cell/GO:0051287)`, and `[magnesium ion binding](/details-cell/GO:0000287)`. Research indicates that the beta and gamma subunits play distinct functional roles within the heterotetrameric enzyme complex, contributing to its allosteric regulation and catalytic efficiency [Link](https://doi.org/10.1038/srep41882). This enzymatic step is critical not only for generating reducing equivalents (NADH) for ATP production but also for producing alpha-ketoglutarate, a precursor for amino acid synthesis and a key signaling molecule. ## Research Directions Given the essential role of [IDH3B](/details-gene/3420) in central metabolism, its dysfunction is likely to have pathological consequences, particularly in tissues with high energy expenditure. The established link between mutations in the related gene IDH3A and retinitis pigmentosa provides a strong rationale for investigating the role of [IDH3B](/details-gene/3420) in neurodegenerative diseases of the retina [Link](https://doi.org/10.1038/ng.223). Based on the available data, several testable hypotheses can be proposed: 1. **Hypothesis 1:** Undiagnosed mutations or expression defects in [IDH3B](/details-gene/3420) contribute to the pathology of inherited retinal diseases, such as retinitis pigmentosa or Leber hereditary optic neuropathy, by causing mitochondrial dysfunction and subsequent apoptosis in `[retinal ganglion cell](/details-cell/CL0000740)`. 2. **Hypothesis 2:** In rapidly proliferating cancers that are highly dependent on oxidative phosphorylation, [IDH3B](/details-gene/3420) may represent a metabolic vulnerability, where its inhibition could selectively suppress tumor growth by crippling the TCA cycle and limiting ATP production. 3. **Hypothesis 3:** Reduced [IDH3B](/details-gene/3420) function in secretory cells, such as `[pancreatic acinar cell](/details-cell/CL0002064)`, could impair organ function by creating an energy deficit that compromises protein synthesis and exocytosis, potentially contributing to conditions like chronic pancreatitis or exocrine pancreatic insufficiency. To test the first hypothesis regarding retinal disease, a compelling experimental approach would be to generate a conditional knockout of [IDH3B](/details-gene/3420) in the retinal cells of a mouse model. These animals could then be assessed for progressive vision loss, retinal structural degradation using optical coherence tomography (OCT), and increased apoptosis of retinal ganglion cells. Complementary *in vitro* studies could involve using CRISPR-Cas9 to knock down [IDH3B](/details-gene/3420) in human iPSC-derived retinal organoids to measure changes in mitochondrial respiration, ATP levels, and susceptibility to oxidative stress. From a therapeutic perspective, targeting [IDH3B](/details-gene/3420) is challenging due to its fundamental role in healthy tissues. Systemic inhibition would likely cause severe toxicity. However, for inherited loss-of-function disorders, gene therapy aimed at restoring [IDH3B](/details-gene/3420) expression in the affected tissue (e.g., the retina) represents a plausible therapeutic strategy. Conversely, if specific cancer subtypes are found to be uniquely dependent on IDH3B, developing highly targeted inhibitors (e.g., via antibody-drug conjugates or nanoparticle delivery) could offer a therapeutic window, though this would require extensive investigation into the metabolic dependencies of such tumors.

Genular Protein ID: 2239960930

Symbol: IDH3B_HUMAN

Name: Isocitrate dehydrogenase [NAD] subunit beta, mitochondrial

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 10601238

Title: Identification and functional characterization of a novel, tissue-specific NAD+-dependent isocitrate dehydrogenase beta subunit isoform.

PubMed ID: 10601238

DOI: 10.1074/jbc.274.52.36866

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 11780052

Title: The DNA sequence and comparative analysis of human chromosome 20.

PubMed ID: 11780052

DOI: 10.1038/414865a

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: 17974005

Title: The full-ORF clone resource of the German cDNA consortium.

PubMed ID: 17974005

DOI: 10.1186/1471-2164-8-399

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: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 25944712

Title: N-terminome analysis of the human mitochondrial proteome.

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

PubMed ID: 28098230

Title: Molecular mechanism of the allosteric regulation of the alphagamma heterodimer of human NAD-dependent isocitrate dehydrogenase.

PubMed ID: 28098230

DOI: 10.1038/srep40921

PubMed ID: 28139779

Title: The beta and gamma subunits play distinct functional roles in the alpha2betagamma heterotetramer of human NAD-dependent isocitrate dehydrogenase.

PubMed ID: 28139779

DOI: 10.1038/srep41882

PubMed ID: 18806796

Title: Insights from retinitis pigmentosa into the roles of isocitrate dehydrogenases in the Krebs cycle.

PubMed ID: 18806796

DOI: 10.1038/ng.223

Sequence Information:

  • Length: 385
  • Mass: 42184
  • Checksum: 7324E6CC30A68EE2
  • Sequence:
  • MAALSGVRWL TRALVSAGNP GAWRGLSTSA AAHAASRSQA EDVRVEGSFP VTMLPGDGVG 
    PELMHAVKEV FKAAAVPVEF QEHHLSEVQN MASEEKLEQV LSSMKENKVA IIGKIHTPME 
    YKGELASYDM RLRRKLDLFA NVVHVKSLPG YMTRHNNLDL VIIREQTEGE YSSLEHESAR 
    GVIECLKIVT RAKSQRIAKF AFDYATKKGR GKVTAVHKAN IMKLGDGLFL QCCEEVAELY 
    PKIKFETMII DNCCMQLVQN PYQFDVLVMP NLYGNIIDNL AAGLVGGAGV VPGESYSAEY 
    AVFETGARHP FAQAVGRNIA NPTAMLLSAS NMLRHLNLEY HSSMIADAVK KVIKVGKVRT 
    RDMGGYSTTT DFIKSVIGHL QTKGS

Genular Protein ID: 2861885978

Symbol: A0A087X2E5_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 11237011

Title: Initial sequencing and analysis of the human genome.

PubMed ID: 11237011

DOI: 10.1038/35057062

PubMed ID: 11780052

Title: The DNA sequence and comparative analysis of human chromosome 20.

PubMed ID: 11780052

DOI: 10.1038/414865a

PubMed ID: 15496913

Title: Finishing the euchromatic sequence of the human genome.

PubMed ID: 15496913

DOI: 10.1038/nature03001

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: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 25944712

Title: N-terminome analysis of the human mitochondrial proteome.

PubMed ID: 25944712

Sequence Information:

  • Length: 376
  • Mass: 41220
  • Checksum: F604FCC1D38F9568
  • Sequence:
  • MAALSGVRWL TRALVSAGNP GAWRGLSTSA AAHAASRSQA EDVRVEGSFP VTMLPGDGVG 
    PELMHAVKEV FKAAAVPVEF QEHHLSEVQN MASEEKLEQV LSSMKENKVA IIGKIHTPME 
    YKGELASYDM RLRRKLDLFA NVVHVKSLPG YMTRHNNLDL VIIREQTEGE YSSLEHESAR 
    GVIECLKIVT RAKSQRIAKF AFDYATKKGR GKVTAVHKAN IMKLGDGLFL QCCEEVAELY 
    PKIKFETMII DNCCMQLVQN PYQFDVLVMP NLYGNIIDNL AAGLVGGAGV VPGESYSAEY 
    AVFETGARHP FAQAVGRNIA NPTAMLLSAS NMLRHLNLEY HSSMIADAVK KVIKVGKIPS 
    AVPSFLLHPL PFSWAI

Genular Protein ID: 3583626468

Symbol: A0A087WZN1_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 11237011

Title: Initial sequencing and analysis of the human genome.

PubMed ID: 11237011

DOI: 10.1038/35057062

PubMed ID: 11780052

Title: The DNA sequence and comparative analysis of human chromosome 20.

PubMed ID: 11780052

DOI: 10.1038/414865a

PubMed ID: 11181995

Title: The sequence of the human genome.

PubMed ID: 11181995

DOI: 10.1126/science.1058040

PubMed ID: 15496913

Title: Finishing the euchromatic sequence of the human genome.

PubMed ID: 15496913

DOI: 10.1038/nature03001

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: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 25944712

Title: N-terminome analysis of the human mitochondrial proteome.

PubMed ID: 25944712

Sequence Information:

  • Length: 387
  • Mass: 42411
  • Checksum: B7853324E6CC30A6
  • Sequence:
  • MAALSGVRWL TRALVSAGNP GAWRGLSTSA AAHAASRSQA EDVRVEGSFP VTMLPGDGVG 
    PELMHAVKEV FKAAAVPVEF QEHHLSEVQN MASEEKLEQV LSSMKENKVA IIGKIHTPME 
    YKGELASYDM RLRRKLDLFA NVVHVKSLPG YMTRHNNLDL VIIREQTEGE YSSLEHESAR 
    GVIECLKIVT RAKSQRIAKF AFDYATKKGR GKVTAVHKAN IMKLGDGLFL QCCEEVAELY 
    PKIKFETMII DNCCMQLVQN PYQFDVLVMP NLYGNIIDNL AAGLVGGAGV VPGESYSAEY 
    AVFETGARHP FAQAVGRNIA NPTAMLLSAS NMLRHLNLEY HSSMIADAVK KVIKVGKVRT 
    RDMGGYSTTT DFIKSVIGHL QTKGSNL