Details for: PCBP1

Gene ID: 5093

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: PCBP1

Ensembl ID: ENSG00000169564

Description: poly(rC) binding protein 1

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • fallopian tube secretory epithelial cell CL4030006
    CSI 69.83
    rCSI 67.22%
    PRS 4.87
  • intestinal epithelial cell CL0002563
    CSI 65.52
    rCSI 68.48%
    PRS 5
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 63.86
    rCSI 49.2%
    PRS 4.25
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 62.79
    rCSI 56.7%
    PRS 4.15
  • colon epithelial cell CL0011108
    CSI 58.29
    rCSI 61.06%
    PRS 4.39
  • extravillous trophoblast CL0008036
    CSI 56.12
    rCSI 69.42%
    PRS 4.13
  • elicited macrophage CL0000861
    CSI 56.08
    rCSI 51.49%
    PRS 5.38
  • epithelial cell of lung CL0000082
    CSI 52.96
    rCSI 43.9%
    PRS 4.44
  • stem cell CL0000034
    CSI 52.67
    rCSI 50.78%
    PRS 2.54
  • granulocyte monocyte progenitor cell CL0000557
    CSI 48.73
    rCSI 42.2%
    PRS 5.24
  • placental villous trophoblast CL2000060
    CSI 47.41
    rCSI 73.26%
    PRS 4.41
  • multi-ciliated epithelial cell CL0005012
    CSI 46.52
    rCSI 46.43%
    PRS 4.02
  • common dendritic progenitor CL0001029
    CSI 45.06
    rCSI 56.55%
    PRS 5.98
  • intestine goblet cell CL0019031
    CSI 43.47
    rCSI 38.58%
    PRS 4.71
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 42.63
    rCSI 28.41%
    PRS 13.26
  • common myeloid progenitor CL0000049
    CSI 41
    rCSI 33.15%
    PRS 4.63
  • promonocyte CL0000559
    CSI 39.68
    rCSI 67.98%
    PRS 6.3
  • transit amplifying cell of colon CL0009011
    CSI 38.64
    rCSI 45.38%
    PRS 5.71
  • conventional dendritic cell CL0000990
    CSI 37.54
    rCSI 31.34%
    PRS 15.41
  • ciliated epithelial cell CL0000067
    CSI 37.18
    rCSI 32.69%
    PRS 3.4
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 35.92
    rCSI 24.2%
    PRS 5.72
  • mature B cell CL0000785
    CSI 35.42
    rCSI 30.79%
    PRS 5.8
  • hematopoietic stem cell CL0000037
    CSI 34.25
    rCSI 22.76%
    PRS 5.61
  • keratinocyte CL0000312
    CSI 33.61
    rCSI 28.18%
    PRS 5.66
  • peripheral nervous system neuron CL2000032
    CSI 32.4
    rCSI 44.15%
    PRS 4.26
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 31.63
    rCSI 38.2%
    PRS 5.51
  • T-helper 17 cell CL0000899
    CSI 31.58
    rCSI 25.07%
    PRS 8.4
  • pancreatic acinar cell CL0002064
    CSI 31.52
    rCSI 41.9%
    PRS 5.15
  • Hofbauer cell CL3000001
    CSI 30.8
    rCSI 58.14%
    PRS 5.87
  • classical monocyte CL0000860
    CSI 30.72
    rCSI 45.55%
    PRS 47.24
  • fraction A pre-pro B cell CL0002045
    CSI 30.11
    rCSI 34.46%
    PRS 9.81
  • CD4-positive helper T cell CL0000492
    CSI 29.43
    rCSI 22.26%
    PRS 6.62
  • plasmablast CL0000980
    CSI 28.69
    rCSI 22.57%
    PRS 5.61
  • enterocyte CL0000584
    CSI 28.6
    rCSI 46.12%
    PRS 7.66
  • pancreatic D cell CL0000173
    CSI 28.59
    rCSI 28.12%
    PRS 5.15
  • early lymphoid progenitor CL0000936
    CSI 27.78
    rCSI 24.4%
    PRS 5.27
  • pancreatic ductal cell CL0002079
    CSI 27.69
    rCSI 53.85%
    PRS 4.81
  • enteric smooth muscle cell CL0002504
    CSI 27.09
    rCSI 38.66%
    PRS 5.36
  • intermediate monocyte CL0002393
    CSI 26.88
    rCSI 40.56%
    PRS 4.63
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 26.18
    rCSI 27.34%
    PRS 15.2
  • transit amplifying cell CL0009010
    CSI 25.41
    rCSI 38.87%
    PRS 7.71
  • promyelocyte CL0000836
    CSI 25.08
    rCSI 36.17%
    PRS 6.55
  • epithelial cell CL0000066
    CSI 24.32
    rCSI 37.37%
    PRS 6.8
  • cardiac muscle cell CL0000746
    CSI 24.05
    rCSI 34.51%
    PRS 3.93
  • double negative thymocyte CL0002489
    CSI 23.22
    rCSI 16.14%
    PRS 5.53
  • dendritic cell, human CL0001056
    CSI 23.03
    rCSI 35.38%
    PRS 5.47
  • luminal epithelial cell of mammary gland CL0002326
    CSI 22.91
    rCSI 41.63%
    PRS 7.21
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 22.49
    rCSI 27.25%
    PRS 7.09
  • microcirculation associated smooth muscle cell CL0008035
    CSI 22.28
    rCSI 64.49%
    PRS 5.33
  • squamous epithelial cell CL0000076
    CSI 21.9
    rCSI 51.98%
    PRS 6.32
  • mesodermal cell CL0000222
    CSI 21.77
    rCSI 26.13%
    PRS 4.7
  • colon goblet cell CL0009039
    CSI 21.65
    rCSI 51.47%
    PRS 7.18
  • nasal mucosa goblet cell CL0002480
    CSI 21.28
    rCSI 24.68%
    PRS 7.06
  • myeloid leukocyte CL0000766
    CSI 20.65
    rCSI 19.05%
    PRS 4.76
  • respiratory suprabasal cell CL4033048
    CSI 20.64
    rCSI 26.47%
    PRS 5.44
  • colonocyte CL1000347
    CSI 20.56
    rCSI 29.47%
    PRS 6.59
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 20.11
    rCSI 15.08%
    PRS 14.3
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 20.05
    rCSI 18.54%
    PRS 8.69
  • activated type II NK T cell CL0000931
    CSI 19.98
    rCSI 22.49%
    PRS 7.87
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 19.96
    rCSI 39.8%
    PRS 8.06
  • tracheal goblet cell CL1000329
    CSI 19.95
    rCSI 43.55%
    PRS 9.66
  • naive B cell CL0000788
    CSI 19.94
    rCSI 17.1%
    PRS 12.66
  • memory B cell CL0000787
    CSI 19.71
    rCSI 19.46%
    PRS 20.59
  • mucous neck cell CL0000651
    CSI 19.47
    rCSI 28.06%
    PRS 7.64
  • foveolar cell of stomach CL0002179
    CSI 19.16
    rCSI 40.78%
    PRS 7.65
  • syncytiotrophoblast cell CL0000525
    CSI 19.14
    rCSI 55.12%
    PRS 9.62
  • common lymphoid progenitor CL0000051
    CSI 18.91
    rCSI 25.27%
    PRS 9.04
  • club cell CL0000158
    CSI 18.78
    rCSI 27.51%
    PRS 5.59
  • non-classical monocyte CL0000875
    CSI 18.64
    rCSI 29.88%
    PRS 15.63
  • goblet cell CL0000160
    CSI 18.45
    rCSI 17.43%
    PRS 4.91
  • deuterosomal cell CL4033044
    CSI 17.93
    rCSI 60.63%
    PRS 8.12
  • enteroendocrine cell CL0000164
    CSI 17.84
    rCSI 24.37%
    PRS 5.21
  • lung ciliated cell CL1000271
    CSI 17.69
    rCSI 20.45%
    PRS 3.42
  • M cell of gut CL0000682
    CSI 17.67
    rCSI 18.77%
    PRS 8.44
  • T-helper 1 cell CL0000545
    CSI 17.28
    rCSI 31.2%
    PRS 14.28
  • pro-B cell CL0000826
    CSI 17.25
    rCSI 14.28%
    PRS 4.7
  • class switched memory B cell CL0000972
    CSI 17.08
    rCSI 12.75%
    PRS 7.99
  • epithelial cell of lower respiratory tract CL0002632
    CSI 16.73
    rCSI 12.97%
    PRS 4.48
  • secretory cell CL0000151
    CSI 16.7
    rCSI 17.42%
    PRS 4.81
  • Langerhans cell CL0000453
    CSI 16.25
    rCSI 24.82%
    PRS 8.28
  • mucosal invariant T cell CL0000940
    CSI 16.01
    rCSI 12.94%
    PRS 11
  • dendritic cell CL0000451
    CSI 15.89
    rCSI 19.58%
    PRS 15.9
  • kidney epithelial cell CL0002518
    CSI 15.15
    rCSI 28.92%
    PRS 11.58
  • alveolar macrophage CL0000583
    CSI 15.1
    rCSI 24.87%
    PRS 5.5
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 15.08
    rCSI 28.52%
    PRS 10.64
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 14.65
    rCSI 88.65%
    PRS 11.11
  • mammary gland epithelial cell CL0002327
    CSI 14.58
    rCSI 51.16%
    PRS 8.57
  • pancreatic PP cell CL0002275
    CSI 14.52
    rCSI 57.78%
    PRS 8.44
  • germinal center B cell CL0000844
    CSI 14.14
    rCSI 42.16%
    PRS 12.81
  • pulmonary ionocyte CL0017000
    CSI 13.91
    rCSI 16.93%
    PRS 5.96
  • muscle cell CL0000187
    CSI 13.88
    rCSI 28.5%
    PRS 11.45
  • forebrain radial glial cell CL0013000
    CSI 13.74
    rCSI 44.07%
    PRS 7.1
  • progenitor cell CL0011026
    CSI 13.73
    rCSI 29.2%
    PRS 9.05
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 13.72
    rCSI 13.48%
    PRS 14.19
  • primitive red blood cell CL0002355
    CSI 13.67
    rCSI 73.78%
    PRS 9.34
  • ionocyte CL0005006
    CSI 13.54
    rCSI 14.52%
    PRS 4.34
  • gamma-delta T cell CL0000798
    CSI 13.51
    rCSI 15.87%
    PRS 43.17
  • neural crest cell CL0011012
    CSI 13.18
    rCSI 10.42%
    PRS 3.25
  • bronchus fibroblast of lung CL2000093
    CSI 13.01
    rCSI 10.57%
    PRS 4.99
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 12.96
    rCSI 17.65%
    PRS 11.9
  • alveolar type 1 fibroblast cell CL4028004
    CSI -14.9
    rCSI -16.3%
    PRS 5.5%
  • basal cell of epidermis CL0002187
    CSI -13.2
    rCSI -23.4%
    PRS 6.4%
  • tracheobronchial smooth muscle cell CL0019019
    CSI -11.4
    rCSI -20.2%
    PRS 6.3%
  • glioblast CL0000030
    CSI -10.3
    rCSI -16.5%
    PRS 4.1%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI -6.3
    rCSI -7.5%
    PRS 8.3%
  • cerebral cortex endothelial cell CL1001602
    CSI -6.2
    rCSI -10.8%
    PRS 3.6%
  • astrocyte of the cerebral cortex CL0002605
    CSI -6.2
    rCSI -13.9%
    PRS 3.0%
  • choroid plexus epithelial cell CL0000706
    CSI -5.9
    rCSI -9.7%
    PRS 3.7%
  • renal alpha-intercalated cell CL0005011
    CSI -5.4
    rCSI -7.2%
    PRS 6.4%
  • Schwann cell CL0002573
    CSI -5.4
    rCSI -15.2%
    PRS 6.4%
  • neural progenitor cell CL0011020
    CSI -5.4
    rCSI -23.6%
    PRS 4.8%
  • endothelial cell of periportal hepatic sinusoid CL0019021
    CSI -4.6
    rCSI -20.9%
    PRS 17.3%
  • exhausted T cell CL0011025
    CSI -4.1
    rCSI -68.7%
    PRS 24.2%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI -4.1
    rCSI -12.7%
    PRS 3.3%
  • retinal bipolar neuron CL0000748
    CSI -3.8
    rCSI -7.1%
    PRS 3.6%
  • periportal region hepatocyte CL0019026
    CSI -3.4
    rCSI -13.2%
    PRS 7.8%
  • brush cell CL0002204
    CSI -3.0
    rCSI -6.0%
    PRS 13.7%
  • mucus secreting cell CL0000319
    CSI -2.4
    rCSI -3.8%
    PRS 6.1%
  • hepatic stellate cell CL0000632
    CSI -2.3
    rCSI -8.7%
    PRS 4.1%
  • airway submucosal gland duct basal cell CL4033024
    CSI -2.0
    rCSI -13.0%
    PRS 22.1%
  • sncg GABAergic cortical interneuron CL4023015
    CSI -1.8
    rCSI -2.9%
    PRS 3.2%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI -1.3
    rCSI -4.9%
    PRS 3.0%
  • cord blood hematopoietic stem cell CL2000095
    CSI -1.3
    rCSI -24.0%
    PRS 38.6%
  • brush cell of tracheobronchial tree CL0002075
    CSI -1.1
    rCSI -3.4%
    PRS 8.0%
  • vascular associated smooth muscle cell CL0000359
    CSI -1.0
    rCSI -3.1%
    PRS 5.8%
  • smooth muscle cell of prostate CL1000487
    CSI -0.9
    rCSI -5.2%
    PRS 26.2%
  • vascular leptomeningeal cell CL4023051
    CSI -0.7
    rCSI -1.2%
    PRS 3.6%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI -0.7
    rCSI -1.2%
    PRS 4.6%
  • cerebral cortex neuron CL0010012
    CSI -0.5
    rCSI -2.2%
    PRS 5.7%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI -0.5
    rCSI -3.0%
    PRS 3.1%
  • decidual natural killer cell, human CL0002343
    CSI -0.5
    rCSI -4.8%
    PRS 42.2%
  • group 3 innate lymphoid cell, human CL0001078
    CSI -0.4
    rCSI -8.2%
    PRS 68.9%
  • cytotoxic T cell CL0000910
    CSI -0.3
    rCSI -1.5%
    PRS 7.4%
  • double negative T regulatory cell CL0011024
    CSI 0.0
    rCSI 0.6%
    PRS 39.0%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.1
    rCSI 0.2%
    PRS 3.0%
  • osteoblast CL0000062
    CSI 0.1
    rCSI 2.3%
    PRS 41.4%
  • odontoblast CL0000060
    CSI 0.1
    rCSI 2.6%
    PRS 27.1%
  • kidney loop of Henle epithelial cell CL1000909
    CSI 0.1
    rCSI 2.7%
    PRS 39.9%
  • ventricular cardiac muscle cell CL2000046
    CSI 0.1
    rCSI 0.5%
    PRS 21.4%
  • endocardial cell CL0002350
    CSI 0.2
    rCSI 0.8%
    PRS 7.8%
  • Bergmann glial cell CL0000644
    CSI 0.2
    rCSI 0.2%
    PRS 5.2%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 0.2
    rCSI 0.4%
    PRS 3.7%
  • parietal epithelial cell CL1000452
    CSI 0.2
    rCSI 0.5%
    PRS 4.8%
  • follicular dendritic cell CL0000442
    CSI 0.2
    rCSI 3.5%
    PRS 31.2%
  • B-2 B cell CL0000822
    CSI 0.2
    rCSI 5.2%
    PRS 30.0%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 0.3
    rCSI 0.5%
    PRS 2.8%
  • epithelial cell of proximal tubule segment 3 CL4030011
    CSI 0.3
    rCSI 2.7%
    PRS 42.9%
  • mesenchymal stem cell of adipose tissue CL0002570
    CSI 0.4
    rCSI 2.0%
    PRS 17.7%
  • enterocyte of epithelium of large intestine CL0002071
    CSI 0.4
    rCSI 2.1%
    PRS 9.6%
  • parietal cell CL0000162
    CSI 0.5
    rCSI 4.1%
    PRS 32.4%
  • helper T cell CL0000912
    CSI 0.5
    rCSI 0.7%
    PRS 7.0%
  • immature alpha-beta T cell CL0000790
    CSI 0.5
    rCSI 7.5%
    PRS 61.7%
  • cerebellar granule cell CL0001031
    CSI 0.5
    rCSI 0.8%
    PRS 4.8%
  • small intestine goblet cell CL1000495
    CSI 0.5
    rCSI 1.2%
    PRS 6.5%
  • basophil CL0000767
    CSI 0.6
    rCSI 1.2%
    PRS 10.5%
  • lung pericyte CL0009089
    CSI 0.6
    rCSI 1.5%
    PRS 5.6%
  • mesenchymal lymphangioblast CL0005021
    CSI 0.6
    rCSI 15.4%
    PRS 26.2%
  • renal principal cell CL0005009
    CSI 0.6
    rCSI 1.6%
    PRS 6.9%
  • endothelial cell of venule CL1000414
    CSI 0.6
    rCSI 5.6%
    PRS 28.7%
  • platelet CL0000233
    CSI 0.6
    rCSI 2.7%
    PRS 13.9%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 0.7
    rCSI 1.2%
    PRS 2.8%
  • hepatocyte CL0000182
    CSI 0.7
    rCSI 1.2%
    PRS 4.5%
  • sst GABAergic cortical interneuron CL4023017
    CSI 0.7
    rCSI 0.9%
    PRS 3.0%
  • enteroglial cell CL4040002
    CSI 0.8
    rCSI 4.0%
    PRS 11.2%
  • late pro-B cell CL0002048
    CSI 0.8
    rCSI 1.9%
    PRS 15.7%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 0.8
    rCSI 1.9%
    PRS 2.8%
  • blood vessel smooth muscle cell CL0019018
    CSI 0.8
    rCSI 6.3%
    PRS 5.0%
  • activated CD4-positive, alpha-beta T cell, human CL0001043
    CSI 0.8
    rCSI 1.9%
    PRS 33.2%
  • lung resident memory CD4-positive, alpha-beta T cell CL4033038
    CSI 0.8
    rCSI 8.1%
    PRS 48.4%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.9
    rCSI 2.1%
    PRS 2.6%
  • uterine smooth muscle cell CL0002601
    CSI 1.0
    rCSI 6.2%
    PRS 35.9%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.0
    rCSI 2.2%
    PRS 7.3%
  • retinal rod cell CL0000604
    CSI 1.0
    rCSI 1.7%
    PRS 5.0%
  • follicular B cell CL0000843
    CSI 1.0
    rCSI 3.7%
    PRS 23.5%
  • BEST4+ enteroycte CL4030026
    CSI 1.0
    rCSI 1.3%
    PRS 5.0%
  • renal interstitial pericyte CL1001318
    CSI 1.0
    rCSI 2.9%
    PRS 5.4%
  • vasa recta descending limb cell CL1001285
    CSI 1.2
    rCSI 9.2%
    PRS 21.6%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.2
    rCSI 1.6%
    PRS 4.5%
  • antibody secreting cell CL0000946
    CSI 1.2
    rCSI 5.5%
    PRS 21.9%
  • small pre-B-II cell CL0000954
    CSI 1.2
    rCSI 1.2%
    PRS 10.3%
  • Merkel cell CL0000242
    CSI 1.3
    rCSI 29.0%
    PRS 34.9%
  • neuroplacodal cell CL0000032
    CSI 1.3
    rCSI 11.9%
    PRS 18.2%
  • CD8-alpha-alpha-positive, alpha-beta intraepithelial T cell CL0000915
    CSI 1.4
    rCSI 6.2%
    PRS 17.9%
  • stratified epithelial cell CL0000079
    CSI 1.4
    rCSI 8.7%
    PRS 23.8%
  • lung microvascular endothelial cell CL2000016
    CSI 1.4
    rCSI 27.6%
    PRS 17.3%
  • retinal cone cell CL0000573
    CSI 1.5
    rCSI 2.4%
    PRS 3.7%
  • hepatic pit cell CL2000054
    CSI 1.5
    rCSI 20.5%
    PRS 45.1%
  • mesenchymal stem cell CL0000134
    CSI 1.6
    rCSI 17.8%
    PRS 8.7%
  • enterocyte of epithelium of small intestine CL1000334
    CSI 1.7
    rCSI 25.8%
    PRS 12.5%
  • tissue-resident macrophage CL0000864
    CSI 1.7
    rCSI 7.9%
    PRS 13.1%
  • glial cell CL0000125
    CSI 1.8
    rCSI 6.7%
    PRS 5.1%
  • hair follicular keratinocyte CL2000092
    CSI 1.8
    rCSI 30.9%
    PRS 20.1%
  • IgM plasma cell CL0000986
    CSI 1.9
    rCSI 8.3%
    PRS 25.5%
  • skeletal muscle satellite stem cell CL0008011
    CSI 1.9
    rCSI 8.3%
    PRS 18.7%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.9
    rCSI 3.3%
    PRS 10.3%
  • acinar cell of salivary gland CL0002623
    CSI 2.0
    rCSI 46.4%
    PRS 6.8%
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.1
    rCSI 4.0%
    PRS 7.6%
  • centrilobular region hepatocyte CL0019029
    CSI 2.1
    rCSI 5.4%
    PRS 8.4%
  • pulmonary alveolar type 1 cell CL0002062
    CSI 2.1
    rCSI 12.3%
    PRS 7.1%
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 2.2
    rCSI 3.4%
    PRS 12.1%

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 [PCBP1](/details-gene/5093) (poly(rC) binding protein 1), also known as heterogeneous nuclear ribonucleoprotein E1, is a ubiquitously expressed RNA-binding protein crucial for post-transcriptional gene regulation. It is a member of the KH-domain-containing protein family and plays a fundamental role in RNA metabolism, including mRNA splicing and stability ([Link](https://doi.org/10.1002/j.1460-2075.1995.tb00110.x)). **Overall**, [PCBP1](/details-gene/5093) shows significant expression in a wide range of cell types, with particularly high levels in metabolically active cells such as secretory epithelial cells of the fallopian tube and intestine, as well as in various hematopoietic progenitors like [megakaryocyte-erythroid progenitor cell](/details-cell/CL0000050)s. This expression pattern, combined with its annotated functions in transcription and RNA processing, suggests it acts as a key regulator of gene expression programs essential for differentiation, secretion, and cellular maintenance. The gene is also associated with human disease ([153245](https://omim.org/entry/601209)) and has been identified as a host factor in viral RNA replication ([Link](https://doi.org/10.1128/jvi.76.23.12008-12022.2002)). ## Cellular Roles and Expression Landscape The expression profile of [PCBP1](/details-gene/5093) highlights its importance in cells characterized by high rates of protein synthesis, secretion, and proliferation. **Overall**, its highest significance is observed in diverse epithelial lineages, including [fallopian tube secretory epithelial cell](/details-cell/CL4030006) (CSI: 69.83), [intestinal epithelial cell](/details-cell/CL0002563) (CSI: 65.52), and [colon epithelial cell](/details-cell/CL0011108) (CSI: 58.29). This suggests a critical role in maintaining the function of mucosal barriers and secretory tissues. Additionally, [PCBP1](/details-gene/5093) is highly significant in hematopoietic and immune cell populations, particularly in progenitor and myeloid cells like [CD14-low, CD16-positive monocyte](/details-cell/CL0002396) (CSI: 63.86), [megakaryocyte-erythroid progenitor cell](/details-cell/CL0000050) (CSI: 62.79), and [granulocyte monocyte progenitor cell](/details-cell/CL0000557) (CSI: 48.73). Its expression in [stem cell](/details-cell/CL0000034)s and progenitor populations points towards a role in lineage commitment and differentiation. Conversely, [PCBP1](/details-gene/5093) expression is notably low in several terminally differentiated cell types. These anti-markers include structural cells like [alveolar type 1 fibroblast cell](/details-cell/CL4028004) (CSI: -14.88) and [tracheobronchial smooth muscle cell](/details-cell/CL0019019) (CSI: -11.43), various neural cells such as [glioblast](/details-cell/CL0000030) (CSI: -10.31) and [astrocyte of the cerebral cortex](/details-cell/CL0002605) (CSI: -6.21), and specific lymphocyte populations like [CD8-positive, alpha-beta cytotoxic T cell](/details-cell/CL0000794) (CSI: -6.27) and [exhausted T cell](/details-cell/CL0011025) (CSI: -4.06). This pattern suggests that while [PCBP1](/details-gene/5093) is a core component of cellular machinery in active and developing cells, its expression may be downregulated once cells reach a terminally differentiated and less metabolically dynamic state. ## Pathways and Molecular Function [PCBP1](/details-gene/5093) is a versatile nucleic acid-binding protein with well-defined roles in RNA biology. Its molecular functions primarily revolve around `Rna binding` ([GO:0003723](https://www.ebi.ac.uk/QuickGO/term/GO:0003723)), particularly `Mrna binding` ([GO:0003729](https://www.ebi.ac.uk/QuickGO/term/GO:0003729)), and it also exhibits `single-stranded dna binding` ([GO:0003697](https://www.ebi.ac.uk/QuickGO/term/GO:0003697)) capabilities. Its localization to both the `cytoplasm` ([GO:0005737](https://www.ebi.ac.uk/QuickGO/term/GO:0005737)) and `nucleus` ([GO:0005634](https://www.ebi.ac.uk/QuickGO/term/GO:0005634)) is consistent with its involvement in the entire lifecycle of mRNA. Functionally, [PCBP1](/details-gene/5093) is a key component of the `Metabolism of rna` ([R-HSA-8953854](https://reactome.org/content/detail/R-HSA-8953854)), participating directly in pathways such as `Mrna splicing - major pathway` ([R-HSA-72163](https://reactome.org/content/detail/R-HSA-72163)) and `Processing of capped intron-containing pre-mrna` ([R-HSA-72203](https://reactome.org/content/detail/R-HSA-72203)). This central role in RNA processing aligns with its high expression in secretory epithelial cells and progenitors, which require robust and efficient gene expression machinery. Beyond its core functions, [PCBP1](/details-gene/5093) is also implicated in the `Positive regulation of transcription by rna polymerase ii` ([GO:0045944](https://www.ebi.ac.uk/QuickGO/term/GO:0045944)) and plays a role as a host factor in `Viral rna genome replication` ([GO:0039694](https://www.ebi.ac.uk/QuickGO/term/GO:0039694)), indicating it can be co-opted by pathogens. ## Research Directions The expression profile and functional annotation of [PCBP1](/details-gene/5093) suggest several avenues for future research, particularly concerning its roles in epithelial biology, hematopoiesis, and viral pathogenesis. Based on the available data, several testable hypotheses can be proposed: 1. **Hypothesis:** The high significance of [PCBP1](/details-gene/5093) in secretory epithelial cells indicates that it is an essential post-transcriptional regulator of the secretome. Its knockdown would likely impair the production and export of key secreted proteins (e.g., mucins, defensins), thereby compromising mucosal barrier function. 2. **Hypothesis:** The inverse expression pattern between hematopoietic progenitors (high [PCBP1](/details-gene/5093)) and terminally differentiated lymphocytes (low [PCBP1](/details-gene/5093)) suggests that downregulation of [PCBP1](/details-gene/5093) is a necessary step for terminal lymphocyte differentiation. Forced overexpression of [PCBP1](/details-gene/5093) in lymphoid progenitors may arrest their development or skew lineage commitment. 3. **Hypothesis:** Given its role in `Viral rna genome replication` ([GO:0039694](https://www.ebi.ac.uk/QuickGO/term/GO:0039694)), the expression level of [PCBP1](/details-gene/5093) in target cells, such as [intestinal epithelial cell](/details-cell/CL0002563)s, may be a key determinant of susceptibility to infection by certain RNA viruses (e.g., enteroviruses). To test the first hypothesis, a compelling experimental approach would be to use CRISPR-Cas9 to knock out [PCBP1](/details-gene/5093) in human intestinal organoids. The functional consequences could be evaluated by performing proteomic analysis of the secreted mucus layer (secretome), quantifying specific mucin gene expression via RT-qPCR, and assessing epithelial barrier integrity through transepithelial electrical resistance (TEER) measurements and permeability assays. **Therapeutic Potential:** As an intracellular RNA-binding protein, [PCBP1](/details-gene/5093) is a challenging drug target for traditional biologics. However, its crucial role as a host factor for viral replication presents a potential therapeutic window. Small molecule inhibitors designed to disrupt the interaction between [PCBP1](/details-gene/5093) and viral RNA could serve as broad-spectrum antiviral agents. Given its widespread expression in healthy tissues, systemic inhibition would carry a high risk of toxicity. Therefore, therapeutic strategies would need to be highly targeted, either by developing compounds that selectively block its interaction with viral components or by exploring its potential as a target in diseases like cancer, where its post-transcriptional regulatory network may be dysregulated. In such contexts, inhibition would be the likely therapeutic goal.

Genular Protein ID: 2521290461

Symbol: PCBP1_HUMAN

Name: Heterogeneous nuclear ribonucleoprotein E1

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 7607214

Title: Characterisation of two major cellular poly(rC)-binding human proteins, each containing three K-homologous (KH) domains.

PubMed ID: 7607214

DOI: 10.1111/j.1432-1033.1995.tb20581.x

PubMed ID: 7556077

Title: Identification of two KH domain proteins in the alpha-globin mRNP stability complex.

PubMed ID: 7556077

DOI: 10.1002/j.1460-2075.1995.tb00110.x

PubMed ID: 8152927

Title: Tissue specific expression and cDNA structure of a human transcript encoding a nucleic acid binding [oligo(dC)] protein related to the pre-mRNA binding protein K.

PubMed ID: 8152927

DOI: 10.1093/nar/22.6.959

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: 12414943

Title: Distinct poly(rC) binding protein KH domain determinants for poliovirus translation initiation and viral RNA replication.

PubMed ID: 12414943

DOI: 10.1128/jvi.76.23.12008-12022.2002

PubMed ID: 17081983

Title: Global, in vivo, and site-specific phosphorylation dynamics in signaling networks.

PubMed ID: 17081983

DOI: 10.1016/j.cell.2006.09.026

PubMed ID: 16964243

Title: A probability-based approach for high-throughput protein phosphorylation analysis and site localization.

PubMed ID: 16964243

DOI: 10.1038/nbt1240

PubMed ID: 17924679

Title: Improved titanium dioxide enrichment of phosphopeptides from HeLa cells and high confident phosphopeptide identification by cross-validation of MS/MS and MS/MS/MS spectra.

PubMed ID: 17924679

DOI: 10.1021/pr070152u

PubMed ID: 18691976

Title: Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle.

PubMed ID: 18691976

DOI: 10.1016/j.molcel.2008.07.007

PubMed ID: 18669648

Title: A quantitative atlas of mitotic phosphorylation.

PubMed ID: 18669648

DOI: 10.1073/pnas.0805139105

PubMed ID: 19413330

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

PubMed ID: 19413330

DOI: 10.1021/ac9004309

PubMed ID: 19369195

Title: Large-scale proteomics analysis of the human kinome.

PubMed ID: 19369195

DOI: 10.1074/mcp.m800588-mcp200

PubMed ID: 19690332

Title: Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions.

PubMed ID: 19690332

DOI: 10.1126/scisignal.2000007

PubMed ID: 20068231

Title: Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis.

PubMed ID: 20068231

DOI: 10.1126/scisignal.2000475

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 21406692

Title: System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation.

PubMed ID: 21406692

DOI: 10.1126/scisignal.2001570

PubMed ID: 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: 24275569

Title: An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome.

PubMed ID: 24275569

DOI: 10.1016/j.jprot.2013.11.014

PubMed ID: 25944712

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

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

PubMed ID: 28112733

Title: Site-specific mapping of the human SUMO proteome reveals co-modification with phosphorylation.

PubMed ID: 28112733

DOI: 10.1038/nsmb.3366

PubMed ID: 15731341

Title: Structure and RNA binding of the third KH domain of poly(C)-binding protein 1.

PubMed ID: 15731341

DOI: 10.1093/nar/gki265

Sequence Information:

  • Length: 356
  • Mass: 37498
  • Checksum: 6D1A261276CA206D
  • Sequence:
  • MDAGVTESGL NVTLTIRLLM HGKEVGSIIG KKGESVKRIR EESGARINIS EGNCPERIIT 
    LTGPTNAIFK AFAMIIDKLE EDINSSMTNS TAASRPPVTL RLVVPATQCG SLIGKGGCKI 
    KEIRESTGAQ VQVAGDMLPN STERAITIAG VPQSVTECVK QICLVMLETL SQSPQGRVMT 
    IPYQPMPASS PVICAGGQDR CSDAAGYPHA THDLEGPPLD AYSIQGQHTI SPLDLAKLNQ 
    VARQQSHFAM MHGGTGFAGI DSSSPEVKGY WASLDASTQT THELTIPNNL IGCIIGRQGA 
    NINEIRQMSG AQIKIANPVE GSSGRQVTIT GSAASISLAQ YLINARLSSE KGMGCS