Details for: PRKX

Gene ID: 5613

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: PRKX

Ensembl ID: ENSG00000183943

Description: protein kinase cAMP-dependent X-linked catalytic subunit

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • choroid plexus epithelial cell CL0000706
    CSI 17.38
    rCSI 28.46%
    PRS 39.76
  • basophil CL0000767
    CSI 16.4
    rCSI 34.71%
    PRS 69.76
  • neural progenitor cell CL0011020
    CSI 9.98
    rCSI 43.92%
    PRS 42.31
  • cholangiocyte CL1000488
    CSI 7.97
    rCSI 47.74%
    PRS 61.87
  • glutamatergic neuron CL0000679
    CSI 7.93
    rCSI 16.3%
    PRS 42.56
  • mature T cell CL0002419
    CSI 5.48
    rCSI 4.26%
    PRS 67.65
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 4.99
    rCSI 7.78%
    PRS 76.81
  • fallopian tube secretory epithelial cell CL4030006
    CSI 4.88
    rCSI 4.7%
    PRS 49.97
  • ciliated cell CL0000064
    CSI 4.81
    rCSI 7.79%
    PRS 47.64
  • CD14-positive monocyte CL0001054
    CSI 4.59
    rCSI 5.72%
    PRS 60.88
  • stromal cell CL0000499
    CSI 4.51
    rCSI 12.7%
    PRS 48.42
  • unswitched memory B cell CL0000970
    CSI 3.61
    rCSI 3.04%
    PRS 67.32
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 3.48
    rCSI 13.54%
    PRS 70.49
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 3.16
    rCSI 2.92%
    PRS 70.4
  • granulocyte monocyte progenitor cell CL0000557
    CSI 3.16
    rCSI 2.74%
    PRS 53.92
  • double negative thymocyte CL0002489
    CSI 3.14
    rCSI 2.18%
    PRS 59.43
  • inhibitory interneuron CL0000498
    CSI 3.09
    rCSI 7.13%
    PRS 40.35
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 3.05
    rCSI 3.69%
    PRS 42.43
  • progenitor cell CL0011026
    CSI 3.04
    rCSI 6.48%
    PRS 52.25
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 3.02
    rCSI 2.42%
    PRS 71.42
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 3.01
    rCSI 2.29%
    PRS 61.85
  • pancreatic ductal cell CL0002079
    CSI 3
    rCSI 5.84%
    PRS 51.9
  • myeloid leukocyte CL0000766
    CSI 2.98
    rCSI 2.75%
    PRS 50.65
  • granulocyte CL0000094
    CSI 2.86
    rCSI 4.37%
    PRS 59.17
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.8
    rCSI 2.75%
    PRS 65.68
  • glial cell CL0000125
    CSI 2.64
    rCSI 10.06%
    PRS 42.02
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 2.63
    rCSI 1.97%
    PRS 80.75
  • mucosal invariant T cell CL0000940
    CSI 2.62
    rCSI 2.12%
    PRS 59.7
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 2.62
    rCSI 1.88%
    PRS 63.36
  • melanocyte CL0000148
    CSI 2.57
    rCSI 1.91%
    PRS 42.74
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 2.56
    rCSI 3.63%
    PRS 46.24
  • ionocyte CL0005006
    CSI 2.56
    rCSI 2.75%
    PRS 47.86
  • naive T cell CL0000898
    CSI 2.54
    rCSI 1.77%
    PRS 63.46
  • Kupffer cell CL0000091
    CSI 2.51
    rCSI 5.74%
    PRS 49.09
  • fibroblast of cardiac tissue CL0002548
    CSI 2.5
    rCSI 12%
    PRS 48.46
  • precursor B cell CL0000817
    CSI 2.46
    rCSI 2.16%
    PRS 59.77
  • secretory cell CL0000151
    CSI 2.43
    rCSI 2.53%
    PRS 50.19
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 2.42
    rCSI 3.3%
    PRS 76.87
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 2.41
    rCSI 3.31%
    PRS 70.43
  • class switched memory B cell CL0000972
    CSI 2.35
    rCSI 1.75%
    PRS 67.81
  • GABAergic neuron CL0000617
    CSI 2.33
    rCSI 7.79%
    PRS 36.78
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 2.32
    rCSI 1.79%
    PRS 48.9
  • T follicular helper cell CL0002038
    CSI 2.31
    rCSI 1.73%
    PRS 64.8
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.29
    rCSI 4.37%
    PRS 66.53
  • retinal blood vessel endothelial cell CL0002585
    CSI 2.28
    rCSI 3.64%
    PRS 53.65
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 2.24
    rCSI 5.79%
    PRS 45.39
  • neural crest cell CL0011012
    CSI 2.23
    rCSI 1.76%
    PRS 37.1
  • T-helper 17 cell CL0000899
    CSI 2.19
    rCSI 1.74%
    PRS 72.33
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 2.17
    rCSI 2.21%
    PRS 63.28
  • retinal ganglion cell CL0000740
    CSI 2.16
    rCSI 4.78%
    PRS 37.25
  • lung pericyte CL0009089
    CSI 2.16
    rCSI 5.7%
    PRS 57.78
  • group 3 innate lymphoid cell CL0001071
    CSI 2.11
    rCSI 1.59%
    PRS 53.79
  • interneuron CL0000099
    CSI 2.11
    rCSI 4.24%
    PRS 39.23
  • lung interstitial macrophage CL4033043
    CSI 2.09
    rCSI 4.69%
    PRS 68.93
  • mast cell CL0000097
    CSI 2.07
    rCSI 4.46%
    PRS 75.62
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.03
    rCSI 1.37%
    PRS 61.28
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 2.02
    rCSI 1.84%
    PRS 64.59
  • ciliated epithelial cell CL0000067
    CSI 2.01
    rCSI 1.77%
    PRS 38.51
  • blood vessel endothelial cell CL0000071
    CSI 1.99
    rCSI 4.13%
    PRS 47.28
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.99
    rCSI 1.39%
    PRS 51.92
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 1.98
    rCSI 1.17%
    PRS 66.07
  • immature B cell CL0000816
    CSI 1.97
    rCSI 1.46%
    PRS 63.23
  • renal alpha-intercalated cell CL0005011
    CSI 1.93
    rCSI 2.58%
    PRS 58.24
  • hepatic stellate cell CL0000632
    CSI 1.92
    rCSI 7.2%
    PRS 42.26
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 1.9
    rCSI 5.95%
    PRS 36.84
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.88
    rCSI 3.31%
    PRS 32.18
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.87
    rCSI 1.69%
    PRS 46.49
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.86
    rCSI 2.38%
    PRS 47.6
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 1.85
    rCSI 5.47%
    PRS 53.74
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.85
    rCSI 2.23%
    PRS 57.82
  • pulmonary ionocyte CL0017000
    CSI 1.84
    rCSI 2.25%
    PRS 57.49
  • CD4-positive helper T cell CL0000492
    CSI 1.84
    rCSI 1.39%
    PRS 63.07
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.84
    rCSI 3.15%
    PRS 70.23
  • pulmonary artery endothelial cell CL1001568
    CSI 1.79
    rCSI 2.44%
    PRS 62.29
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.78
    rCSI 2.3%
    PRS 34.16
  • alpha-beta T cell CL0000789
    CSI 1.78
    rCSI 2.09%
    PRS 65.76
  • pro-B cell CL0000826
    CSI 1.74
    rCSI 1.44%
    PRS 51.1
  • astrocyte of the cerebral cortex CL0002605
    CSI 1.71
    rCSI 3.84%
    PRS 33.92
  • peripheral nervous system neuron CL2000032
    CSI 1.7
    rCSI 2.32%
    PRS 42.58
  • epithelial cell CL0000066
    CSI 1.67
    rCSI 2.56%
    PRS 49.82
  • natural T-regulatory cell CL0000903
    CSI 1.65
    rCSI 3.12%
    PRS 82.36
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.64
    rCSI 1.96%
    PRS 33.01
  • stem cell CL0000034
    CSI 1.61
    rCSI 1.56%
    PRS 40.29
  • mononuclear phagocyte CL0000113
    CSI 1.61
    rCSI 3.53%
    PRS 53.85
  • cardiac endothelial cell CL0010008
    CSI 1.6
    rCSI 6.45%
    PRS 48.08
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.59
    rCSI 4.14%
    PRS 48.7
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.57
    rCSI 1.95%
    PRS 31.49
  • elicited macrophage CL0000861
    CSI 1.56
    rCSI 1.44%
    PRS 57.85
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.56
    rCSI 1.8%
    PRS 43.72
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.55
    rCSI 4.45%
    PRS 68.49
  • T-helper 1 cell CL0000545
    CSI 1.52
    rCSI 2.75%
    PRS 75.19
  • kidney loop of Henle thick ascending limb epithelial cell CL1001106
    CSI 1.52
    rCSI 13.09%
    PRS 48.77
  • club cell CL0000158
    CSI 1.51
    rCSI 2.21%
    PRS 48.1
  • retinal pigment epithelial cell CL0002586
    CSI 1.5
    rCSI 2.98%
    PRS 48.16
  • Bergmann glial cell CL0000644
    CSI 1.49
    rCSI 2.04%
    PRS 44.97
  • duct epithelial cell CL0000068
    CSI 1.47
    rCSI 2.16%
    PRS 52.97
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.46
    rCSI 1.92%
    PRS 63.26
  • activated type II NK T cell CL0000931
    CSI 1.4
    rCSI 1.58%
    PRS 66.53
  • respiratory suprabasal cell CL4033048
    CSI 1.37
    rCSI 1.75%
    PRS 54.42
  • mature B cell CL0000785
    CSI 1.35
    rCSI 1.17%
    PRS 59.93
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.0%
    PRS 61.1%
  • enteric neuron CL0007011
    CSI 0.2
    rCSI 3.1%
    PRS 70.1%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 0.4
    rCSI 1.9%
    PRS 61.4%
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 0.5
    rCSI 3.1%
    PRS 72.9%
  • placental villous trophoblast CL2000060
    CSI 0.6
    rCSI 0.9%
    PRS 47.5%
  • renal interstitial pericyte CL1001318
    CSI 0.6
    rCSI 1.7%
    PRS 45.8%
  • helper T cell CL0000912
    CSI 0.7
    rCSI 1.0%
    PRS 57.6%
  • glandular epithelial cell CL0000150
    CSI 0.7
    rCSI 1.9%
    PRS 71.2%
  • late pro-B cell CL0002048
    CSI 0.8
    rCSI 1.9%
    PRS 78.7%
  • corneal epithelial cell CL0000575
    CSI 0.8
    rCSI 2.3%
    PRS 65.4%
  • mature alpha-beta T cell CL0000791
    CSI 0.9
    rCSI 3.3%
    PRS 69.6%
  • innate lymphoid cell CL0001065
    CSI 1.0
    rCSI 2.1%
    PRS 54.4%
  • conjunctival epithelial cell CL1000432
    CSI 1.1
    rCSI 1.6%
    PRS 50.3%
  • common dendritic progenitor CL0001029
    CSI 1.1
    rCSI 1.4%
    PRS 59.8%
  • intrahepatic cholangiocyte CL0002538
    CSI 1.1
    rCSI 2.7%
    PRS 64.0%
  • cardiac neuron CL0010022
    CSI 1.2
    rCSI 3.7%
    PRS 46.4%
  • parietal epithelial cell CL1000452
    CSI 1.2
    rCSI 3.1%
    PRS 41.8%
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI 1.2
    rCSI 3.0%
    PRS 79.2%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.2
    rCSI 2.9%
    PRS 44.6%
  • chondrocyte CL0000138
    CSI 1.2
    rCSI 1.9%
    PRS 42.3%
  • cerebral cortex endothelial cell CL1001602
    CSI 1.2
    rCSI 2.1%
    PRS 40.2%
  • group 2 innate lymphoid cell CL0001069
    CSI 1.2
    rCSI 6.6%
    PRS 82.9%
  • renal beta-intercalated cell CL0002201
    CSI 1.3
    rCSI 3.1%
    PRS 51.1%
  • intermediate monocyte CL0002393
    CSI 1.3
    rCSI 2.0%
    PRS 52.4%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 1.3
    rCSI 2.6%
    PRS 68.2%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 1.3
    rCSI 2.2%
    PRS 33.1%
  • common myeloid progenitor CL0000049
    CSI 1.3
    rCSI 1.1%
    PRS 50.6%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 1.3
    rCSI 1.6%
    PRS 70.3%
  • mature B cell CL0000785
    CSI 1.4
    rCSI 1.2%
    PRS 59.9%
  • respiratory suprabasal cell CL4033048
    CSI 1.4
    rCSI 1.8%
    PRS 54.4%
  • activated type II NK T cell CL0000931
    CSI 1.4
    rCSI 1.6%
    PRS 66.5%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.5
    rCSI 1.9%
    PRS 63.3%
  • duct epithelial cell CL0000068
    CSI 1.5
    rCSI 2.2%
    PRS 53.0%
  • Bergmann glial cell CL0000644
    CSI 1.5
    rCSI 2.0%
    PRS 45.0%
  • retinal pigment epithelial cell CL0002586
    CSI 1.5
    rCSI 3.0%
    PRS 48.2%
  • club cell CL0000158
    CSI 1.5
    rCSI 2.2%
    PRS 48.1%
  • kidney loop of Henle thick ascending limb epithelial cell CL1001106
    CSI 1.5
    rCSI 13.1%
    PRS 48.8%
  • T-helper 1 cell CL0000545
    CSI 1.5
    rCSI 2.8%
    PRS 75.2%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.6
    rCSI 4.5%
    PRS 68.5%
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.6
    rCSI 1.8%
    PRS 43.7%
  • elicited macrophage CL0000861
    CSI 1.6
    rCSI 1.4%
    PRS 57.9%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.6
    rCSI 2.0%
    PRS 31.5%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.6
    rCSI 4.1%
    PRS 48.7%
  • cardiac endothelial cell CL0010008
    CSI 1.6
    rCSI 6.5%
    PRS 48.1%
  • mononuclear phagocyte CL0000113
    CSI 1.6
    rCSI 3.5%
    PRS 53.9%
  • stem cell CL0000034
    CSI 1.6
    rCSI 1.6%
    PRS 40.3%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.6
    rCSI 2.0%
    PRS 33.0%
  • natural T-regulatory cell CL0000903
    CSI 1.7
    rCSI 3.1%
    PRS 82.4%
  • epithelial cell CL0000066
    CSI 1.7
    rCSI 2.6%
    PRS 49.8%
  • peripheral nervous system neuron CL2000032
    CSI 1.7
    rCSI 2.3%
    PRS 42.6%
  • astrocyte of the cerebral cortex CL0002605
    CSI 1.7
    rCSI 3.8%
    PRS 33.9%
  • pro-B cell CL0000826
    CSI 1.7
    rCSI 1.4%
    PRS 51.1%
  • alpha-beta T cell CL0000789
    CSI 1.8
    rCSI 2.1%
    PRS 65.8%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.8
    rCSI 2.3%
    PRS 34.2%
  • pulmonary artery endothelial cell CL1001568
    CSI 1.8
    rCSI 2.4%
    PRS 62.3%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.8
    rCSI 3.2%
    PRS 70.2%
  • CD4-positive helper T cell CL0000492
    CSI 1.8
    rCSI 1.4%
    PRS 63.1%
  • pulmonary ionocyte CL0017000
    CSI 1.8
    rCSI 2.3%
    PRS 57.5%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.9
    rCSI 2.2%
    PRS 57.8%
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 1.9
    rCSI 5.5%
    PRS 53.7%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.9
    rCSI 2.4%
    PRS 47.6%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.9
    rCSI 1.7%
    PRS 46.5%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.9
    rCSI 3.3%
    PRS 32.2%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 1.9
    rCSI 6.0%
    PRS 36.8%
  • hepatic stellate cell CL0000632
    CSI 1.9
    rCSI 7.2%
    PRS 42.3%
  • renal alpha-intercalated cell CL0005011
    CSI 1.9
    rCSI 2.6%
    PRS 58.2%
  • immature B cell CL0000816
    CSI 2.0
    rCSI 1.5%
    PRS 63.2%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 2.0
    rCSI 1.2%
    PRS 66.1%
  • plasmacytoid dendritic cell, human CL0001058
    CSI 2.0
    rCSI 1.4%
    PRS 51.9%
  • blood vessel endothelial cell CL0000071
    CSI 2.0
    rCSI 4.1%
    PRS 47.3%
  • ciliated epithelial cell CL0000067
    CSI 2.0
    rCSI 1.8%
    PRS 38.5%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 2.0
    rCSI 1.8%
    PRS 64.6%
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.0
    rCSI 1.4%
    PRS 61.3%
  • mast cell CL0000097
    CSI 2.1
    rCSI 4.5%
    PRS 75.6%
  • lung interstitial macrophage CL4033043
    CSI 2.1
    rCSI 4.7%
    PRS 68.9%
  • interneuron CL0000099
    CSI 2.1
    rCSI 4.2%
    PRS 39.2%
  • group 3 innate lymphoid cell CL0001071
    CSI 2.1
    rCSI 1.6%
    PRS 53.8%
  • lung pericyte CL0009089
    CSI 2.2
    rCSI 5.7%
    PRS 57.8%
  • retinal ganglion cell CL0000740
    CSI 2.2
    rCSI 4.8%
    PRS 37.3%
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 2.2
    rCSI 2.2%
    PRS 63.3%
  • T-helper 17 cell CL0000899
    CSI 2.2
    rCSI 1.7%
    PRS 72.3%
  • neural crest cell CL0011012
    CSI 2.2
    rCSI 1.8%
    PRS 37.1%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 2.2
    rCSI 5.8%
    PRS 45.4%
  • retinal blood vessel endothelial cell CL0002585
    CSI 2.3
    rCSI 3.6%
    PRS 53.7%
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.3
    rCSI 4.4%
    PRS 66.5%
  • T follicular helper cell CL0002038
    CSI 2.3
    rCSI 1.7%
    PRS 64.8%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 2.3
    rCSI 1.8%
    PRS 48.9%
  • GABAergic neuron CL0000617
    CSI 2.3
    rCSI 7.8%
    PRS 36.8%
  • class switched memory B cell CL0000972
    CSI 2.4
    rCSI 1.8%
    PRS 67.8%
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 2.4
    rCSI 3.3%
    PRS 70.4%
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 2.4
    rCSI 3.3%
    PRS 76.9%
  • secretory cell CL0000151
    CSI 2.4
    rCSI 2.5%
    PRS 50.2%
  • precursor B cell CL0000817
    CSI 2.5
    rCSI 2.2%
    PRS 59.8%
  • fibroblast of cardiac tissue CL0002548
    CSI 2.5
    rCSI 12.0%
    PRS 48.5%
  • Kupffer cell CL0000091
    CSI 2.5
    rCSI 5.7%
    PRS 49.1%
  • naive T cell CL0000898
    CSI 2.5
    rCSI 1.8%
    PRS 63.5%
  • ionocyte CL0005006
    CSI 2.6
    rCSI 2.8%
    PRS 47.9%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 2.6
    rCSI 3.6%
    PRS 46.2%
  • melanocyte CL0000148
    CSI 2.6
    rCSI 1.9%
    PRS 42.7%
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 2.6
    rCSI 1.9%
    PRS 63.4%

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 [PRKX](/details-gene/5613) encodes a phylogenetically distinct, X-linked catalytic subunit of the cAMP-dependent protein kinase family. This serine/threonine kinase plays a pleiotropic role in cellular signaling, demonstrated by its significant expression across diverse and highly specialized cell types. **Overall**, it is a defining marker for [choroid plexus epithelial cells](/details-cell/CL0000706) and [basophils](/details-cell/CL0000767), suggesting critical functions in both epithelial morphogenesis and innate immune responses. Its activity is implicated in a wide range of biological processes, including myeloid differentiation, angiogenesis, neuronal signaling, and kidney development, underscoring its importance as a fundamental signaling node in multiple tissues. ## Cellular Roles and Expression Landscape The expression profile of [PRKX](/details-gene/5613) reveals its importance in several distinct cellular systems. * **Specialized Epithelial and Secretory Cells:** The gene shows the highest significance in [choroid plexus epithelial cells](/details-cell/CL0000706) (CSI: 17.38), which are responsible for producing cerebrospinal fluid. This is complemented by high expression in other specialized epithelial cells like [cholangiocytes](/details-cell/CL1000488) and [fallopian tube secretory epithelial cells](/details-cell/CL4030006). This pattern is consistent with published research demonstrating its crucial role in activating renal epithelial cell migration and morphogenesis ([Link](https://doi.org/10.1073/pnas.132051799)). * **Immune System:** [PRKX](/details-gene/5613) is a highly significant marker in the immune system, particularly in the myeloid lineage. It has the second-highest overall CSI score in [basophils](/details-cell/CL0000767) (CSI: 16.40). Its relevance extends to [CD14-positive monocytes](/details-cell/CL0001054) and hematopoietic progenitors such as [granulocyte monocyte progenitor cells](/details-cell/CL0000557). This aligns with its established function as a key kinase for myeloid maturation ([Link](https://doi.org/10.1073/pnas.95.26.15412)). Furthermore, its expression in lymphoid cells, including [mature T cells](/details-cell/CL0002419), [CD8-positive, alpha-beta thymocytes](/details-cell/CL0000811), and [unswitched memory B cells](/details-cell/CL0000970), suggests a broader role in adaptive immunity. * **Nervous System:** The gene is also prominently expressed in the nervous system, with high significance in [neural progenitor cells](/details-cell/CL0011020) and [glutamatergic neurons](/details-cell/CL0000679). This expression pattern suggests a role in neurodevelopment and mature neuronal function, likely related to synaptic signaling. ## Pathways and Molecular Function As a cAMP-dependent protein kinase, [PRKX](/details-gene/5613) functions primarily through `Peptidyl-serine phosphorylation` ([GO:0018105](https://www.ebi.ac.uk/QuickGO/term/GO:0018105)) to regulate downstream signaling cascades. Its functional annotations are consistent with its diverse cellular expression profile. Its fundamental role in `Signal transduction` ([GO:0007165](https://www.ebi.ac.uk/QuickGO/term/GO:0007165)) is executed through pathways involving second messengers, as highlighted by Reactome pathways such as `Signaling by gpcr` ([R-HSA-372790](https://reactome.org/content/detail/R-HSA-372790)) and `Intracellular signaling by second messengers` ([R-HSA-9006925](https://reactome.org/content/detail/R-HSA-9006925)). The high expression in neuronal cells is explained by its specific involvement in the `Neuronal system` ([R-HSA-112316](https://reactome.org/content/detail/R-HSA-112316)), including `Transmission across chemical synapses` ([R-HSA-112315](https://reactome.org/content/detail/R-HSA-112315)) and `Creb1 phosphorylation through the activation of adenylate cyclase` ([R-HSA-442720](https://reactome.org/content/detail/R-HSA-442720)). The gene's role in development and tissue organization is supported by its involvement in `Angiogenesis` ([GO:0001525](https://www.ebi.ac.uk/QuickGO/term/GO:0001525)), `Cell adhesion` ([GO:0007155](https://www.ebi.ac.uk/QuickGO/term/GO:0007155)), and `Epithelial tube morphogenesis` ([GO:0060562](https://www.ebi.ac.uk/QuickGO/term/GO:0060562)). Research has confirmed its critical function in endothelial cell proliferation and migration ([Link](https://doi.org/10.1016/j.ydbio.2011.05.673)) as well as kidney development ([Link](https://doi.org/10.1681/asn.2005030240)). Furthermore, its role in `Myeloid cell differentiation` ([GO:0030099](https://www.ebi.ac.uk/QuickGO/term/GO:0030099)) is well-documented, involving the phosphorylation of substrates like Smad6 ([Link](https://doi.org/10.1038/sj.onc.1209436)). ## Research Directions The diverse expression pattern and multiple functions of [PRKX](/details-gene/5613) present several avenues for future research. The high significance scores in distinct cell types suggest that its activity is tightly regulated and context-dependent. **Testable Hypotheses:** 1. Given its exceptionally high CSI score in [basophils](/details-cell/CL0000767) and its connection to GPCR signaling, [PRKX](/details-gene/5613) may function as a critical downstream mediator of IgE receptor or other G-protein coupled receptor pathways that control basophil degranulation and the release of allergic mediators. 2. The high expression in [neural progenitor cells](/details-cell/CL0011020) and involvement in CREB1 phosphorylation pathways suggest that [PRKX](/details-gene/5613) is a key regulator of gene expression programs that govern the switch from neural proliferation to differentiation during brain development. 3. Based on its expression in [choroid plexus epithelial cells](/details-cell/CL0000706) and its established role in renal epithelial function, [PRKX](/details-gene/5613) may regulate the activity of ion transporters or cytoskeletal proteins essential for cerebrospinal fluid secretion and the maintenance of the blood-CSF barrier. **Proposed Experimental Approach:** To test the first hypothesis regarding the role of [PRKX](/details-gene/5613) in basophil function, one could perform a CRISPR-Cas9 mediated knockout of the gene in a human basophilic leukemia cell line (e.g., KU812) or in primary human hematopoietic stem cells subsequently differentiated into basophils. The impact of [PRKX](/details-gene/5613) deficiency on basophil activation could be assessed by measuring the release of histamine and beta-hexosaminidase following IgE-receptor crosslinking. Furthermore, changes in the production of key cytokines like IL-4 and IL-13 could be quantified by ELISA, and phosphoproteomic analysis could identify direct phosphorylation targets of [PRKX](/details-gene/5613) during basophil activation. **Therapeutic Potential:** As a kinase, [PRKX](/details-gene/5613) is a potentially druggable target. Its pleiotropic nature demands a context-specific therapeutic strategy. **Inhibition** could be valuable in diseases driven by basophil overactivity, such as allergic asthma or chronic urticaria, where a selective PRKX inhibitor might dampen inflammatory responses. Conversely, **activation** could be a viable strategy for certain developmental or degenerative disorders. For instance, its ability to rescue effects of polycystic kidney disease-1 (PKD1) deficiency suggests that small-molecule activators of [PRKX](/details-gene/5613) could offer a therapeutic benefit for polycystic kidney disease ([Link](https://doi.org/10.1016/j.bbadis.2007.09.003)).

Genular Protein ID: 2821844121

Symbol: PRKX_HUMAN

Name: cAMP-dependent protein kinase catalytic subunit PRKX

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 7633447

Title: The human protein kinase gene PKX1 on Xp22.3 displays Xp/Yp homology and is a site of chromosomal instability.

PubMed ID: 7633447

DOI: 10.1093/hmg/4.5.869

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: 9302280

Title: Abnormal XY interchange between a novel isolated protein kinase gene, PRKY, and its homologue, PRKX, accounts for one third of all (Y+)XX males and (Y-)XY females.

PubMed ID: 9302280

DOI: 10.1093/hmg/6.11.1985

PubMed ID: 9860982

Title: A lineage-specific protein kinase crucial for myeloid maturation.

PubMed ID: 9860982

DOI: 10.1073/pnas.95.26.15412

PubMed ID: 10026146

Title: PrKX is a novel catalytic subunit of the cAMP-dependent protein kinase regulated by the regulatory subunit type I.

PubMed ID: 10026146

DOI: 10.1074/jbc.274.9.5370

PubMed ID: 12082174

Title: PRKX, a phylogenetically and functionally distinct cAMP-dependent protein kinase, activates renal epithelial cell migration and morphogenesis.

PubMed ID: 12082174

DOI: 10.1073/pnas.132051799

PubMed ID: 16236808

Title: Protein kinase X activates ureteric bud branching morphogenesis in developing mouse metanephric kidney.

PubMed ID: 16236808

DOI: 10.1681/asn.2005030240

PubMed ID: 15879576

Title: Profiles of PrKX expression in developmental mouse embryo and human tissues.

PubMed ID: 15879576

DOI: 10.1369/jhc.4a6568.2005

PubMed ID: 16491121

Title: Smad6 is a protein kinase X phosphorylation substrate and is required for HL-60 cell differentiation.

PubMed ID: 16491121

DOI: 10.1038/sj.onc.1209436

PubMed ID: 17980165

Title: Protein kinase X (PRKX) can rescue the effects of polycystic kidney disease-1 gene (PKD1) deficiency.

PubMed ID: 17980165

DOI: 10.1016/j.bbadis.2007.09.003

PubMed ID: 19367327

Title: Protein kinase-X interacts with Pin-1 and Polycystin-1 during mouse kidney development.

PubMed ID: 19367327

DOI: 10.1038/ki.2009.95

PubMed ID: 20819953

Title: Regulation of cAMP-dependent protein kinases: the human protein kinase X (PrKX) reveals the role of the catalytic subunit alphaH-alphaI loop.

PubMed ID: 20819953

DOI: 10.1074/jbc.m110.155150

PubMed ID: 21684272

Title: PRKX critically regulates endothelial cell proliferation, migration, and vascular-like structure formation.

PubMed ID: 21684272

DOI: 10.1016/j.ydbio.2011.05.673

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

Sequence Information:

  • Length: 358
  • Mass: 40896
  • Checksum: B603834E3541CB56
  • Sequence:
  • MEAPGLAQAA AAESDSRKVA EETPDGAPAL CPSPEALSPE PPVYSLQDFD TLATVGTGTF 
    GRVHLVKEKT AKHFFALKVM SIPDVIRLKQ EQHVHNEKSV LKEVSHPFLI RLFWTWHDER 
    FLYMLMEYVP GGELFSYLRN RGRFSSTTGL FYSAEIICAI EYLHSKEIVY RDLKPENILL 
    DRDGHIKLTD FGFAKKLVDR TWTLCGTPEY LAPEVIQSKG HGRAVDWWAL GILIFEMLSG 
    FPPFFDDNPF GIYQKILAGK IDFPRHLDFH VKDLIKKLLV VDRTRRLGNM KNGANDVKHH 
    RWFRSVDWEA VPQRKLKPPI VPKIAGDGDT SNFETYPEND WDTAAPVPQK DLEIFKNF