Details for: PPP1CB

Gene ID: 5500

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: PPP1CB

Ensembl ID: ENSG00000213639

Description: protein phosphatase 1 catalytic subunit beta

Cell Significance Landscape

Associated with

Significant Cells

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

  • ciliated epithelial cell CL0000067
    CSI 76.71
    rCSI 67.46%
    PRS 8.46
  • fallopian tube secretory epithelial cell CL4030006
    CSI 64.88
    rCSI 62.46%
    PRS 12.09
  • enteric smooth muscle cell CL0002504
    CSI 47.91
    rCSI 68.37%
    PRS 13.17
  • conjunctival epithelial cell CL1000432
    CSI 43.36
    rCSI 66.23%
    PRS 11.71
  • lung ciliated cell CL1000271
    CSI 40.57
    rCSI 46.91%
    PRS 8.55
  • pancreatic ductal cell CL0002079
    CSI 33.14
    rCSI 64.46%
    PRS 11.91
  • intestinal epithelial cell CL0002563
    CSI 30.13
    rCSI 31.49%
    PRS 12.32
  • microcirculation associated smooth muscle cell CL0008035
    CSI 24.91
    rCSI 72.1%
    PRS 13.23
  • epithelial cell of lung CL0000082
    CSI 24.88
    rCSI 20.62%
    PRS 11.02
  • stromal cell of ovary CL0002132
    CSI 23.27
    rCSI 63.95%
    PRS 19.35
  • pancreatic A cell CL0000171
    CSI 22.93
    rCSI 24.02%
    PRS 12.46
  • pancreatic D cell CL0000173
    CSI 22.68
    rCSI 22.31%
    PRS 12.68
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 21.66
    rCSI 55.99%
    PRS 10.88
  • forebrain radial glial cell CL0013000
    CSI 21.49
    rCSI 68.97%
    PRS 17.15
  • pancreatic acinar cell CL0002064
    CSI 20.95
    rCSI 27.84%
    PRS 12.75
  • keratinocyte CL0000312
    CSI 19.69
    rCSI 16.51%
    PRS 13.99
  • perivascular cell CL4033054
    CSI 18.87
    rCSI 25.8%
    PRS 13.26
  • intermediate monocyte CL0002393
    CSI 18.22
    rCSI 27.49%
    PRS 11.51
  • smooth muscle cell CL0000192
    CSI 18.07
    rCSI 43.1%
    PRS 35.58
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 17.84
    rCSI 40.67%
    PRS 12.24
  • glandular epithelial cell CL0000150
    CSI 17.22
    rCSI 45.34%
    PRS 22.89
  • peripheral nervous system neuron CL2000032
    CSI 17.12
    rCSI 23.32%
    PRS 10.46
  • secretory cell CL0000151
    CSI 16.84
    rCSI 17.57%
    PRS 11.98
  • squamous epithelial cell CL0000076
    CSI 16.14
    rCSI 38.31%
    PRS 14.8
  • T-helper 1 cell CL0000545
    CSI 14.94
    rCSI 26.97%
    PRS 31.39
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 14.53
    rCSI 35.32%
    PRS 6.65
  • type B pancreatic cell CL0000169
    CSI 14.05
    rCSI 31.11%
    PRS 10.84
  • pancreatic PP cell CL0002275
    CSI 13.96
    rCSI 55.57%
    PRS 20.5
  • syncytiotrophoblast cell CL0000525
    CSI 12.7
    rCSI 36.57%
    PRS 22.78
  • colon goblet cell CL0009039
    CSI 12.41
    rCSI 29.51%
    PRS 17.58
  • myeloid leukocyte CL0000766
    CSI 12.35
    rCSI 11.4%
    PRS 11.87
  • nasal mucosa goblet cell CL0002480
    CSI 11.95
    rCSI 13.86%
    PRS 17.27
  • natural T-regulatory cell CL0000903
    CSI 11.71
    rCSI 22.17%
    PRS 32.03
  • colon macrophage CL0009038
    CSI 11.33
    rCSI 52.35%
    PRS 24.41
  • enteroendocrine cell CL0000164
    CSI 11.19
    rCSI 15.28%
    PRS 12.94
  • pancreatic epsilon cell CL0005019
    CSI 11.04
    rCSI 51.46%
    PRS 28.08
  • corneal epithelial cell CL0000575
    CSI 11
    rCSI 31.46%
    PRS 21.09
  • tissue-resident macrophage CL0000864
    CSI 10.9
    rCSI 51.02%
    PRS 25.01
  • paneth cell CL0000510
    CSI 10.5
    rCSI 15.51%
    PRS 18.38
  • duct epithelial cell CL0000068
    CSI 10.24
    rCSI 14.98%
    PRS 12.36
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 10.2
    rCSI 27.49%
    PRS 15.04
  • enterocyte CL0000584
    CSI 9.81
    rCSI 15.82%
    PRS 18.72
  • enterocyte of epithelium of large intestine CL0002071
    CSI 9.66
    rCSI 50.72%
    PRS 21.08
  • acinar cell CL0000622
    CSI 9.53
    rCSI 13.98%
    PRS 15.33
  • T-helper 17 cell CL0000899
    CSI 9.46
    rCSI 7.51%
    PRS 20.51
  • erythroblast CL0000765
    CSI 9.34
    rCSI 24.78%
    PRS 19.4
  • kidney connecting tubule epithelial cell CL1000768
    CSI 9.16
    rCSI 23.23%
    PRS 8.92
  • keratocyte CL0002363
    CSI 9.14
    rCSI 21.98%
    PRS 17.58
  • myeloid dendritic cell CL0000782
    CSI 8.6
    rCSI 12.46%
    PRS 17.19
  • myofibroblast cell CL0000186
    CSI 8.46
    rCSI 11.71%
    PRS 16.84
  • enteroendocrine cell of colon CL0009042
    CSI 8.17
    rCSI 38.32%
    PRS 31.35
  • enteroendocrine cell of small intestine CL0009006
    CSI 8.12
    rCSI 17.87%
    PRS 17.9
  • stromal cell CL0000499
    CSI 8.1
    rCSI 22.8%
    PRS 16.77
  • paneth cell of epithelium of small intestine CL1000343
    CSI 7.91
    rCSI 22.17%
    PRS 18.04
  • epithelial cell CL0000066
    CSI 7.72
    rCSI 11.86%
    PRS 16.69
  • foveolar cell of stomach CL0002179
    CSI 7.65
    rCSI 16.29%
    PRS 18.88
  • transit amplifying cell of colon CL0009011
    CSI 7.48
    rCSI 8.78%
    PRS 13.81
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 7.4
    rCSI 26.64%
    PRS 6.31
  • BEST4+ enteroycte CL4030026
    CSI 7.4
    rCSI 9.2%
    PRS 12.34
  • kidney epithelial cell CL0002518
    CSI 7.19
    rCSI 13.72%
    PRS 27.63
  • luminal cell of prostate epithelium CL0002340
    CSI 7.08
    rCSI 38.08%
    PRS 21.08
  • fibroblast of lung CL0002553
    CSI 7.02
    rCSI 6.53%
    PRS 11.74
  • tuft cell of colon CL0009041
    CSI 6.97
    rCSI 16.25%
    PRS 25.4
  • alveolar type 1 fibroblast cell CL4028004
    CSI 6.91
    rCSI 7.57%
    PRS 13.39
  • blood vessel smooth muscle cell CL0019018
    CSI 6.89
    rCSI 56%
    PRS 12.15
  • stem cell CL0000034
    CSI 6.61
    rCSI 6.37%
    PRS 7.94
  • intestinal crypt stem cell of colon CL0009043
    CSI 6.46
    rCSI 48.49%
    PRS 21.54
  • group 3 innate lymphoid cell CL0001071
    CSI 6.41
    rCSI 4.82%
    PRS 12.09
  • deuterosomal cell CL4033044
    CSI 6.31
    rCSI 21.34%
    PRS 19.7
  • helper T cell CL0000912
    CSI 6.25
    rCSI 8.84%
    PRS 16.37
  • smooth muscle cell of prostate CL1000487
    CSI 6.23
    rCSI 36.65%
    PRS 48.22
  • tendon cell CL0000388
    CSI 6.21
    rCSI 16.13%
    PRS 32.24
  • mammary gland epithelial cell CL0002327
    CSI 6.1
    rCSI 21.4%
    PRS 21.14
  • skeletal muscle satellite stem cell CL0008011
    CSI 6.05
    rCSI 26.94%
    PRS 34.13
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 5.97
    rCSI 5.87%
    PRS 33.45
  • renal principal cell CL0005009
    CSI 5.94
    rCSI 15.43%
    PRS 15.84
  • epithelial cell of lower respiratory tract CL0002632
    CSI 5.88
    rCSI 4.56%
    PRS 11.11
  • colon epithelial cell CL0011108
    CSI 5.86
    rCSI 6.14%
    PRS 10.87
  • elicited macrophage CL0000861
    CSI 5.79
    rCSI 5.31%
    PRS 13.32
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 5.77
    rCSI 34.9%
    PRS 26.19
  • mucous neck cell CL0000651
    CSI 5.76
    rCSI 8.31%
    PRS 18.83
  • tracheobronchial smooth muscle cell CL0019019
    CSI 5.66
    rCSI 9.98%
    PRS 15.42
  • naive T cell CL0000898
    CSI 5.62
    rCSI 3.91%
    PRS 16.6
  • bronchus fibroblast of lung CL2000093
    CSI 5.55
    rCSI 4.51%
    PRS 12.37
  • lung goblet cell CL1000143
    CSI 5.51
    rCSI 61.65%
    PRS 38.63
  • intrahepatic cholangiocyte CL0002538
    CSI 5.45
    rCSI 13.07%
    PRS 21.46
  • respiratory goblet cell CL0002370
    CSI 5.4
    rCSI 58.8%
    PRS 22.6
  • pancreatic stellate cell CL0002410
    CSI 5.33
    rCSI 31.03%
    PRS 17.59
  • ciliated cell CL0000064
    CSI 5.23
    rCSI 8.47%
    PRS 11.93
  • bronchiolar smooth muscle cell CL4033017
    CSI 5.17
    rCSI 77.57%
    PRS 36.65
  • conventional dendritic cell CL0000990
    CSI 5.16
    rCSI 4.3%
    PRS 34.38
  • retinal ganglion cell CL0000740
    CSI 5.15
    rCSI 11.38%
    PRS 8.38
  • mature NK T cell CL0000814
    CSI 5.13
    rCSI 6.57%
    PRS 46.99
  • peptic cell CL0000155
    CSI 5.11
    rCSI 50.28%
    PRS 34.51
  • medium spiny neuron CL1001474
    CSI 5.07
    rCSI 43.72%
    PRS 3.5
  • muscle cell CL0000187
    CSI 5.05
    rCSI 10.37%
    PRS 27.45
  • goblet cell CL0000160
    CSI 4.96
    rCSI 4.69%
    PRS 12.2
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 4.95
    rCSI 3.81%
    PRS 10.58
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 4.95
    rCSI 4.47%
    PRS 10.3
  • retina horizontal cell CL0000745
    CSI 4.9
    rCSI 7.47%
    PRS 10.92
  • sst GABAergic cortical interneuron CL4023017
    CSI -10.7
    rCSI -13.8%
    PRS 7.2%
  • unswitched memory B cell CL0000970
    CSI -7.7
    rCSI -6.5%
    PRS 18.8%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI -7.3
    rCSI -7.2%
    PRS 18.4%
  • pulmonary ionocyte CL0017000
    CSI -4.2
    rCSI -5.1%
    PRS 14.7%
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI -2.4
    rCSI -1.7%
    PRS 15.8%
  • activated type II NK T cell CL0000931
    CSI -2.0
    rCSI -2.3%
    PRS 18.7%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI -1.8
    rCSI -2.2%
    PRS 6.3%
  • pulmonary alveolar type 1 cell CL0002062
    CSI -1.5
    rCSI -8.7%
    PRS 15.7%
  • pulmonary capillary endothelial cell CL4028001
    CSI -1.4
    rCSI -2.7%
    PRS 18.7%
  • dopaminergic neuron CL0000700
    CSI -1.2
    rCSI -6.7%
    PRS 4.5%
  • neural progenitor cell CL0011020
    CSI -0.8
    rCSI -3.5%
    PRS 11.5%
  • fast muscle cell CL0000190
    CSI -0.7
    rCSI -2.5%
    PRS 29.7%
  • diffuse bipolar 6 cell CL4033032
    CSI -0.5
    rCSI -2.6%
    PRS 14.0%
  • CD8-alpha-alpha-positive, alpha-beta intraepithelial T cell CL0000915
    CSI -0.5
    rCSI -2.2%
    PRS 40.8%
  • melanocyte CL0000148
    CSI -0.4
    rCSI -0.3%
    PRS 10.4%
  • retinal bipolar neuron CL0000748
    CSI -0.4
    rCSI -0.7%
    PRS 8.5%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI -0.3
    rCSI -0.4%
    PRS 11.4%
  • enteroglial cell CL4040002
    CSI -0.1
    rCSI -0.7%
    PRS 22.0%
  • regular ventricular cardiac myocyte CL0002131
    CSI -0.1
    rCSI -0.4%
    PRS 9.2%
  • inhibitory interneuron CL0000498
    CSI 0.0
    rCSI 0.0%
    PRS 9.5%
  • central nervous system neuron CL2000029
    CSI 0.1
    rCSI 0.6%
    PRS 5.9%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.1
    rCSI 0.3%
    PRS 6.4%
  • large pre-B-II cell CL0000957
    CSI 0.1
    rCSI 0.4%
    PRS 20.3%
  • eosinophil CL0000771
    CSI 0.2
    rCSI 1.0%
    PRS 30.3%
  • small pre-B-II cell CL0000954
    CSI 0.2
    rCSI 0.2%
    PRS 24.3%
  • neuroendocrine cell CL0000165
    CSI 0.2
    rCSI 0.7%
    PRS 24.2%
  • pre-conventional dendritic cell CL0002010
    CSI 0.2
    rCSI 2.3%
    PRS 38.0%
  • hair follicular keratinocyte CL2000092
    CSI 0.2
    rCSI 3.0%
    PRS 46.1%
  • vein endothelial cell of respiratory system CL4033008
    CSI 0.2
    rCSI 1.3%
    PRS 23.0%
  • erythroid progenitor cell CL0000038
    CSI 0.2
    rCSI 1.1%
    PRS 18.1%
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.2%
    PRS 17.0%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 0.2
    rCSI 0.6%
    PRS 16.9%
  • kidney interstitial cell CL1000500
    CSI 0.2
    rCSI 3.5%
    PRS 63.0%
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 0.2
    rCSI 0.3%
    PRS 24.1%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 0.2
    rCSI 1.2%
    PRS 15.2%
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 0.2
    rCSI 0.3%
    PRS 15.7%
  • H1 horizontal cell CL0004217
    CSI 0.3
    rCSI 1.1%
    PRS 17.0%
  • astrocyte of the cerebral cortex CL0002605
    CSI 0.3
    rCSI 0.7%
    PRS 7.2%
  • primitive red blood cell CL0002355
    CSI 0.3
    rCSI 1.7%
    PRS 22.0%
  • decidual natural killer cell, human CL0002343
    CSI 0.3
    rCSI 3.3%
    PRS 66.8%
  • Cajal-Retzius cell CL0000695
    CSI 0.3
    rCSI 2.6%
    PRS 25.7%
  • smooth muscle cell of the pulmonary artery CL0002591
    CSI 0.3
    rCSI 2.6%
    PRS 44.0%
  • mature B cell CL0000785
    CSI 0.4
    rCSI 0.3%
    PRS 14.4%
  • thymocyte CL0000893
    CSI 0.4
    rCSI 1.3%
    PRS 36.5%
  • placental villous trophoblast CL2000060
    CSI 0.4
    rCSI 0.6%
    PRS 10.9%
  • endocardial cell CL0002350
    CSI 0.4
    rCSI 1.9%
    PRS 15.4%
  • vasa recta descending limb cell CL1001285
    CSI 0.4
    rCSI 3.2%
    PRS 47.2%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.4
    rCSI 1.4%
    PRS 5.9%
  • eye photoreceptor cell CL0000287
    CSI 0.4
    rCSI 4.7%
    PRS 30.5%
  • macroglial cell CL0000126
    CSI 0.4
    rCSI 1.1%
    PRS 17.1%
  • respiratory epithelial cell CL0002368
    CSI 0.5
    rCSI 2.8%
    PRS 37.8%
  • regular atrial cardiac myocyte CL0002129
    CSI 0.5
    rCSI 1.5%
    PRS 12.7%
  • innate lymphoid cell CL0001065
    CSI 0.5
    rCSI 1.0%
    PRS 17.9%
  • small intestine goblet cell CL1000495
    CSI 0.5
    rCSI 1.1%
    PRS 15.6%
  • IgG plasma cell CL0000985
    CSI 0.5
    rCSI 0.6%
    PRS 20.1%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 0.5
    rCSI 0.3%
    PRS 16.1%
  • endothelial cell of pericentral hepatic sinusoid CL0019022
    CSI 0.5
    rCSI 1.7%
    PRS 18.7%
  • retinal pigment epithelial cell CL0002586
    CSI 0.5
    rCSI 1.1%
    PRS 12.5%
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 0.6
    rCSI 1.0%
    PRS 25.5%
  • endocrine cell CL0000163
    CSI 0.6
    rCSI 2.8%
    PRS 47.1%
  • follicular B cell CL0000843
    CSI 0.6
    rCSI 2.0%
    PRS 44.9%
  • megakaryocyte CL0000556
    CSI 0.6
    rCSI 2.5%
    PRS 21.0%
  • cell of skeletal muscle CL0000188
    CSI 0.6
    rCSI 6.2%
    PRS 58.4%
  • respiratory basal cell CL0002633
    CSI 0.6
    rCSI 0.6%
    PRS 13.7%
  • germinal center B cell CL0000844
    CSI 0.6
    rCSI 1.7%
    PRS 29.2%
  • GABAergic amacrine cell CL4030027
    CSI 0.6
    rCSI 2.1%
    PRS 10.6%
  • uterine smooth muscle cell CL0002601
    CSI 0.6
    rCSI 4.1%
    PRS 62.6%
  • Hofbauer cell CL3000001
    CSI 0.6
    rCSI 1.2%
    PRS 14.5%
  • stratified epithelial cell CL0000079
    CSI 0.7
    rCSI 4.0%
    PRS 46.8%
  • prostate gland microvascular endothelial cell CL2000059
    CSI 0.7
    rCSI 15.6%
    PRS 40.2%
  • hepatocyte CL0000182
    CSI 0.7
    rCSI 1.2%
    PRS 10.9%
  • transit amplifying cell CL0009010
    CSI 0.7
    rCSI 1.1%
    PRS 19.0%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 0.7
    rCSI 1.2%
    PRS 6.8%
  • intraepithelial lymphocyte CL0002496
    CSI 0.7
    rCSI 1.9%
    PRS 47.1%
  • glial cell CL0000125
    CSI 0.7
    rCSI 2.8%
    PRS 12.1%
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 0.8
    rCSI 1.0%
    PRS 28.2%
  • early lymphoid progenitor CL0000936
    CSI 0.8
    rCSI 0.7%
    PRS 13.1%
  • serous secreting cell of bronchus submucosal gland CL4033005
    CSI 0.8
    rCSI 4.4%
    PRS 44.5%
  • renal interstitial pericyte CL1001318
    CSI 0.8
    rCSI 2.2%
    PRS 11.1%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 0.8
    rCSI 1.2%
    PRS 10.9%
  • common dendritic progenitor CL0001029
    CSI 0.9
    rCSI 1.1%
    PRS 14.9%
  • extravillous trophoblast CL0008036
    CSI 0.9
    rCSI 1.1%
    PRS 10.3%
  • Langerhans cell CL0000453
    CSI 0.9
    rCSI 1.3%
    PRS 20.4%
  • amacrine cell CL0000561
    CSI 0.9
    rCSI 2.5%
    PRS 9.2%
  • tracheal goblet cell CL1000329
    CSI 0.9
    rCSI 2.0%
    PRS 23.6%
  • choroid plexus epithelial cell CL0000706
    CSI 0.9
    rCSI 1.5%
    PRS 9.0%
  • CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human CL0001074
    CSI 1.0
    rCSI 11.0%
    PRS 44.3%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 1.0
    rCSI 1.2%
    PRS 20.2%
  • myoepithelial cell CL0000185
    CSI 1.0
    rCSI 2.5%
    PRS 14.5%
  • transitional stage B cell CL0000818
    CSI 1.0
    rCSI 3.3%
    PRS 33.1%
  • cardiac muscle cell CL0000746
    CSI 1.0
    rCSI 1.5%
    PRS 9.2%
  • mature alpha-beta T cell CL0000791
    CSI 1.0
    rCSI 3.7%
    PRS 20.0%
  • colonocyte CL1000347
    CSI 1.0
    rCSI 1.5%
    PRS 16.0%
  • common lymphoid progenitor CL0000051
    CSI 1.1
    rCSI 1.4%
    PRS 22.3%
  • enteric neuron CL0007011
    CSI 1.1
    rCSI 15.7%
    PRS 29.9%
  • endothelial cell of lymphatic vessel CL0002138
    CSI 1.1
    rCSI 2.2%
    PRS 35.4%
  • endothelial cell of arteriole CL1000412
    CSI 1.1
    rCSI 6.1%
    PRS 36.2%
  • common myeloid progenitor CL0000049
    CSI 1.1
    rCSI 0.9%
    PRS 11.5%
  • class switched memory B cell CL0000972
    CSI 1.1
    rCSI 0.8%
    PRS 19.6%
  • skeletal muscle satellite cell CL0000594
    CSI 1.1
    rCSI 3.3%
    PRS 38.4%

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 [PPP1CB](/details-gene/5500) encodes the protein phosphatase 1 catalytic subunit beta, a highly conserved serine/threonine phosphatase. This enzyme plays a central role in a vast array of cellular processes by reversing the effects of protein kinases. Functional annotations reveal its critical involvement in fundamental mechanisms such as `protein dephosphorylation` ([GO:0006470](https://www.ebi.ac.uk/QuickGO/term/GO:0006470)), `Cell cycle` progression ([R-HSA-1640170](https://reactome.org/content/detail/R-HSA-1640170)), and the `Mapk cascade` ([GO:0000165](https://www.ebi.ac.uk/QuickGO/term/GO:0000165)). **`Overall`**, [PPP1CB](/details-gene/5500) shows significant expression in various epithelial and smooth muscle cell types, particularly in [ciliated epithelial cell](/details-cell/CL0000067) and [enteric smooth muscle cell](/details-cell/CL0002504), suggesting it is a key regulator of motility, secretion, and structural integrity in these tissues. Its widespread function is further highlighted by its association with an OMIM entry ([600590](https://omim.org/entry/600590)). ## Cellular Roles and Expression Landscape The expression profile of [PPP1CB](/details-gene/5500) points to a fundamental role in specialized epithelial and contractile tissues. **`Overall`**, the gene's highest significance is observed in [ciliated epithelial cell](/details-cell/CL0000067) (CSI: 76.71), [fallopian tube secretory epithelial cell](/details-cell/CL4030006) (CSI: 64.88), and [lung ciliated cell](/details-cell/CL1000271) (CSI: 40.57), indicating a crucial function in tissues requiring mucociliary clearance and secretion. Furthermore, its high significance in [enteric smooth muscle cell](/details-cell/CL0002504) (CSI: 47.91) and [microcirculation associated smooth muscle cell](/details-cell/CL0008035) (CSI: 24.91) is consistent with its established role in regulating muscle contraction ([Link](https://doi.org/10.1002/1097-4644(2000)79:1<113::aid-jcb110>3.3.co;2-0)). Significant expression is also noted in various secretory cell types, including [pancreatic ductal cell](/details-cell/CL0002079) and [pancreatic A cell](/details-cell/CL0000171). Conversely, [PPP1CB](/details-gene/5500) displays low to negative significance in several immune and neuronal cell populations. Its minimal role in lymphocytes, such as [unswitched memory B cell](/details-cell/CL0000970) and [CD4-positive, alpha-beta memory T cell](/details-cell/CL0000897), as well as in [sst GABAergic cortical interneuron](/details-cell/CL4023017) and [dopaminergic neuron](/details-cell/CL0000700), suggests that while it is a ubiquitous phosphatase, its function is less prominent in adaptive immunity and specific neuronal circuits compared to its role in epithelial and muscle physiology. ## Pathways and Molecular Function [PPP1CB](/details-gene/5500) functions as a catalytic subunit of protein phosphatase 1 (PP1), a major eukaryotic serine/threonine phosphatase. Its core molecular function is `protein serine/threonine phosphatase activity` ([GO:0004722](https://www.ebi.ac.uk/QuickGO/term/GO:0004722)), which enables its participation in a diverse set of biological processes. Its high expression in smooth muscle cells is directly explained by its `Myosin-light-chain-phosphatase activity` ([GO:0050115](https://www.ebi.ac.uk/QuickGO/term/GO:0050115)), a key step in promoting muscle relaxation, and its involvement in pathways like `Signaling by rho gtpases` ([R-HSA-194315](https://reactome.org/content/detail/R-HSA-194315)). The gene's role is also central to cell proliferation and division, as evidenced by its annotation in `Cell cycle, mitotic` ([R-HSA-69278](https://reactome.org/content/detail/R-HSA-69278)) and `G2/m transition` ([R-HSA-69275](https://reactome.org/content/detail/R-HSA-69275)). This suggests it regulates the phosphorylation status of key mitotic proteins. Furthermore, [PPP1CB](/details-gene/5500) is implicated in the `Circadian clock` ([R-HSA-400253](https://reactome.org/content/detail/R-HSA-400253)) and metabolic processes like `Glycogen metabolic process` ([GO:0005977](https://www.ebi.ac.uk/QuickGO/term/GO:0005977)), underscoring its broad regulatory influence. Its participation in `Raf/map kinase cascade` ([R-HSA-5673001](https://reactome.org/content/detail/R-HSA-5673001)) and `Oncogenic mapk signaling` ([R-HSA-6802957](https://reactome.org/content/detail/R-HSA-6802957)) also points to a potential role in cancer biology. ## Research Directions The widespread yet cell-type-specific significance of [PPP1CB](/details-gene/5500) offers several avenues for future investigation. **Proposed Hypotheses:** 1. Given its prominent expression in [ciliated epithelial cell](/details-cell/CL0000067) and its role in regulating the cytoskeleton, [PPP1CB](/details-gene/5500) may be a critical regulator of mucociliary clearance by controlling the dephosphorylation of proteins essential for ciliary beating and coordination. 2. Based on its involvement in `Circadian clock` ([R-HSA-400253](https://reactome.org/content/detail/R-HSA-400253)) pathways and high expression in pancreatic endocrine cells, [PPP1CB](/details-gene/5500) may function to couple the central circadian clock to the rhythmic secretion of metabolic hormones, such as glucagon from [pancreatic A cell](/details-cell/CL0000171). 3. The association with `Oncogenic mapk signaling` ([R-HSA-6802957](https://reactome.org/content/detail/R-HSA-6802957)) and high expression in secretory epithelial cells, such as [fallopian tube secretory epithelial cell](/details-cell/CL4030006), suggests that dysregulation of [PPP1CB](/details-gene/5500) could contribute to the pathogenesis of epithelial cancers, like high-grade serous ovarian cancer, by altering growth factor signaling pathways. **Experimental Approach:** To test the hypothesis regarding its role in mucociliary function (Hypothesis 1), an effective approach would be to use an *in vitro* air-liquid interface (ALI) culture system with primary human bronchial epithelial cells. [PPP1CB](/details-gene/5500) expression could be silenced using lentiviral-delivered shRNA. The functional consequences would be assessed by measuring cilia beat frequency (CBF) via high-speed video microscopy and analyzing ciliary waveform patterns. The impact on epithelial barrier function and ciliogenesis could be quantified through transepithelial electrical resistance (TEER) measurements and immunofluorescence staining for acetylated tubulin (cilia) and ZO-1 (tight junctions). **Therapeutic Potential:** As a phosphatase, [PPP1CB](/details-gene/5500) is an inherently druggable enzyme. Its central role in cell cycle and MAPK signaling makes it a potential target for inhibition in proliferative diseases, including cancer. However, its broad expression profile suggests that systemic inhibition could lead to significant toxicity. A more viable strategy might involve developing inhibitors for localized delivery, for instance, via inhalation for respiratory diseases characterized by mucus hypersecretion or impaired clearance. Conversely, selective activation of its function in smooth muscle could be explored for conditions involving hypercontractility, although developing specific phosphatase activators remains a significant pharmacological challenge.

Genular Protein ID: 3568748242

Symbol: PP1B_HUMAN

Name: Serine/threonine-protein phosphatase PP1-beta catalytic subunit

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 8312365

Title: Three genes for protein phosphatase 1 map to different human chromosomes: sequence, expression and gene localisation of protein serine/threonine phosphatase 1 beta (PPP1CB).

PubMed ID: 8312365

DOI: 10.1016/0167-4889(94)90138-4

PubMed ID: 7796987

Title: Molecular and linkage analysis of type-1 protein phosphatase catalytic beta-subunit gene: lack of evidence for its major role in insulin resistance in Pima Indians.

PubMed ID: 7796987

DOI: 10.1007/bf00410284

PubMed ID: 10906760

Title: Characterization of the protein phosphatase 1 catalytic subunit in endothelium: involvement in contractile responses.

PubMed ID: 10906760

DOI: 10.1002/1097-4644(2000)79:1&lt;113::aid-jcb110&gt;3.3.co;2-0

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

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: 15815621

Title: Generation and annotation of the DNA sequences of human chromosomes 2 and 4.

PubMed ID: 15815621

DOI: 10.1038/nature03466

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: 12665801

Title: Exploring proteomes and analyzing protein processing by mass spectrometric identification of sorted N-terminal peptides.

PubMed ID: 12665801

DOI: 10.1038/nbt810

PubMed ID: 11399775

Title: Phosphorylation of a novel myosin binding subunit of protein phosphatase 1 reveals a conserved mechanism in the regulation of actin cytoskeleton.

PubMed ID: 11399775

DOI: 10.1074/jbc.m102615200

PubMed ID: 11739654

Title: Dynamic targeting of protein phosphatase 1 within the nuclei of living mammalian cells.

PubMed ID: 11739654

DOI: 10.1242/jcs.114.23.4219

PubMed ID: 11564868

Title: Growth arrest and DNA damage-inducible protein GADD34 assembles a novel signaling complex containing protein phosphatase 1 and inhibitor 1.

PubMed ID: 11564868

DOI: 10.1128/mcb.21.20.6841-6850.2001

PubMed ID: 12226088

Title: Binding of the concave surface of the Sds22 superhelix to the alpha 4/alpha 5/alpha 6-triangle of protein phosphatase-1.

PubMed ID: 12226088

DOI: 10.1074/jbc.m206838200

PubMed ID: 15705855

Title: A selective inhibitor of eIF2alpha dephosphorylation protects cells from ER stress.

PubMed ID: 15705855

DOI: 10.1126/science.1101902

PubMed ID: 18586956

Title: TIMAP is a positive regulator of pulmonary endothelial barrier function.

PubMed ID: 18586956

DOI: 10.1152/ajplung.00325.2007

PubMed ID: 18669648

Title: A quantitative atlas of mitotic phosphorylation.

PubMed ID: 18669648

DOI: 10.1073/pnas.0805139105

PubMed ID: 19377461

Title: GlcNAcylation of a histone methyltransferase in retinoic-acid-induced granulopoiesis.

PubMed ID: 19377461

DOI: 10.1038/nature07954

PubMed ID: 24336203

Title: Retraction: GlcNAcylation of a histone methyltransferase in retinoic-acid-induced granulopoiesis.

PubMed ID: 24336203

DOI: 10.1038/nature12896

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 22223895

Title: Comparative large-scale characterisation of plant vs. mammal proteins reveals similar and idiosyncratic N-alpha acetylation features.

PubMed ID: 22223895

DOI: 10.1074/mcp.m111.015131

PubMed ID: 22814378

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

PubMed ID: 22814378

DOI: 10.1073/pnas.1210303109

PubMed ID: 23186163

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

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 20516061

Title: Identification and characterization of a novel human PP1 phosphatase complex.

PubMed ID: 20516061

DOI: 10.1074/jbc.m110.109801

PubMed ID: 20926688

Title: RRP1B targets PP1 to mammalian cell nucleoli and is associated with pre-60S ribosomal subunits.

PubMed ID: 20926688

DOI: 10.1091/mbc.e10-04-0287

PubMed ID: 20354225

Title: New roles for the LKB1-NUAK pathway in controlling myosin phosphatase complexes and cell adhesion.

PubMed ID: 20354225

DOI: 10.1126/scisignal.2000616

PubMed ID: 20424263

Title: SUMOylation of the transcriptional co-repressor KAP1 is regulated by the serine and threonine phosphatase PP1.

PubMed ID: 20424263

DOI: 10.1126/scisignal.2000781

PubMed ID: 21712997

Title: Protein phosphatase 1 (PP1) is a post-translational regulator of the mammalian circadian clock.

PubMed ID: 21712997

DOI: 10.1371/journal.pone.0021325

PubMed ID: 23396208

Title: Phosphorylation of FOXP3 controls regulatory T cell function and is inhibited by TNF-alpha in rheumatoid arthritis.

PubMed ID: 23396208

DOI: 10.1038/nm.3085

PubMed ID: 25944712

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

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

PubMed ID: 27264673

Title: A novel rasopathy caused by recurrent de novo missense mutations in PPP1CB closely resembles Noonan syndrome with loose anagen hair.

PubMed ID: 27264673

DOI: 10.1002/ajmg.a.37781

PubMed ID: 27681385

Title: De novo missense variants in PPP1CB are associated with intellectual disability and congenital heart disease.

PubMed ID: 27681385

DOI: 10.1007/s00439-016-1731-1

PubMed ID: 27868344

Title: Further evidence that variants in PPP1CB cause a rasopathy similar to Noonan syndrome with loose anagen hair.

PubMed ID: 27868344

DOI: 10.1002/ajmg.a.38056

PubMed ID: 28211982

Title: The recurrent PPP1CB mutation p.Pro49Arg in an additional Noonan-like syndrome individual: Broadening the clinical phenotype.

PubMed ID: 28211982

DOI: 10.1002/ajmg.a.38070

PubMed ID: 28296156

Title: PAI1: a novel PP1-interacting protein that mediates human plasma's anti-apoptotic effect in endothelial cells.

PubMed ID: 28296156

DOI: 10.1111/jcmm.13127

PubMed ID: 30368668

Title: Delineation of LZTR1 mutation-positive patients with Noonan syndrome and identification of LZTR1 binding to RAF1-PPP1CB complexes.

PubMed ID: 30368668

DOI: 10.1007/s00439-018-1951-7

Sequence Information:

  • Length: 327
  • Mass: 37187
  • Checksum: E8356022E9B94ECD
  • Sequence:
  • MADGELNVDS LITRLLEVRG CRPGKIVQMT EAEVRGLCIK SREIFLSQPI LLELEAPLKI 
    CGDIHGQYTD LLRLFEYGGF PPEANYLFLG DYVDRGKQSL ETICLLLAYK IKYPENFFLL 
    RGNHECASIN RIYGFYDECK RRFNIKLWKT FTDCFNCLPI AAIVDEKIFC CHGGLSPDLQ 
    SMEQIRRIMR PTDVPDTGLL CDLLWSDPDK DVQGWGENDR GVSFTFGADV VSKFLNRHDL 
    DLICRAHQVV EDGYEFFAKR QLVTLFSAPN YCGEFDNAGG MMSVDETLMC SFQILKPSEK 
    KAKYQYGGLN SGRPVTPPRT ANPPKKR