Details for: PEBP1

Gene ID: 5037

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: PEBP1

Ensembl ID: ENSG00000089220

Description: phosphatidylethanolamine 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)

  • hematopoietic stem cell CL0000037
    CSI 107.89
    rCSI 71.71%
    PRS 4.53
  • fallopian tube secretory epithelial cell CL4030006
    CSI 98.37
    rCSI 94.69%
    PRS 3.94
  • plasmablast CL0000980
    CSI 97.28
    rCSI 76.53%
    PRS 4.52
  • ciliated epithelial cell CL0000067
    CSI 95.76
    rCSI 84.21%
    PRS 2.75
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 91.72
    rCSI 82.83%
    PRS 3.35
  • common myeloid progenitor CL0000049
    CSI 88.87
    rCSI 71.86%
    PRS 3.73
  • keratinocyte CL0000312
    CSI 87.94
    rCSI 73.72%
    PRS 4.58
  • pancreatic A cell CL0000171
    CSI 87.46
    rCSI 91.62%
    PRS 4.08
  • stem cell CL0000034
    CSI 87.05
    rCSI 83.93%
    PRS 1.83
  • intestinal epithelial cell CL0002563
    CSI 86.6
    rCSI 90.51%
    PRS 4.05
  • neural crest cell CL0011012
    CSI 74.3
    rCSI 58.73%
    PRS 2.63
  • transit amplifying cell of colon CL0009011
    CSI 73.39
    rCSI 86.19%
    PRS 4.62
  • OFF-bipolar cell CL0000750
    CSI 73.14
    rCSI 100%
    PRS 6.7
  • granulocyte monocyte progenitor cell CL0000557
    CSI 70.43
    rCSI 60.98%
    PRS 4.22
  • pancreatic D cell CL0000173
    CSI 70.41
    rCSI 69.25%
    PRS 4.18
  • multi-ciliated epithelial cell CL0005012
    CSI 70.27
    rCSI 70.13%
    PRS 3.23
  • peripheral nervous system neuron CL2000032
    CSI 69.17
    rCSI 94.25%
    PRS 3.44
  • colon epithelial cell CL0011108
    CSI 68.81
    rCSI 72.08%
    PRS 3.56
  • ON-bipolar cell CL0000749
    CSI 67.28
    rCSI 100%
    PRS 4.88
  • melanocyte CL0000148
    CSI 65.84
    rCSI 48.77%
    PRS 3.56
  • bronchus fibroblast of lung CL2000093
    CSI 65.12
    rCSI 52.91%
    PRS 4.01
  • common dendritic progenitor CL0001029
    CSI 63.25
    rCSI 79.38%
    PRS 4.83
  • epithelial cell of lung CL0000082
    CSI 62.34
    rCSI 51.68%
    PRS 3.56
  • enterocyte CL0000584
    CSI 57.98
    rCSI 93.49%
    PRS 6.2
  • early lymphoid progenitor CL0000936
    CSI 57.77
    rCSI 50.73%
    PRS 4.25
  • epithelial cell of lower respiratory tract CL0002632
    CSI 57.06
    rCSI 44.23%
    PRS 3.64
  • enteroendocrine cell CL0000164
    CSI 55.83
    rCSI 76.29%
    PRS 4.22
  • pancreatic ductal cell CL0002079
    CSI 53.42
    rCSI 100%
    PRS 3.89
  • mucous neck cell CL0000651
    CSI 52.38
    rCSI 75.49%
    PRS 6.18
  • intestine goblet cell CL0019031
    CSI 51.41
    rCSI 45.64%
    PRS 3.82
  • lung ciliated cell CL1000271
    CSI 50.3
    rCSI 58.17%
    PRS 2.76
  • placental villous trophoblast CL2000060
    CSI 50.18
    rCSI 77.54%
    PRS 3.57
  • fraction A pre-pro B cell CL0002045
    CSI 50.18
    rCSI 57.44%
    PRS 7.94
  • secretory cell CL0000151
    CSI 49.4
    rCSI 51.55%
    PRS 3.9
  • extravillous trophoblast CL0008036
    CSI 48.6
    rCSI 60.12%
    PRS 3.34
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 47.73
    rCSI 61.25%
    PRS 3.79
  • M cell of gut CL0000682
    CSI 45.13
    rCSI 47.95%
    PRS 6.8
  • mesodermal cell CL0000222
    CSI 44.03
    rCSI 52.85%
    PRS 3.81
  • kidney epithelial cell CL0002518
    CSI 43.9
    rCSI 83.8%
    PRS 9.36
  • conjunctival epithelial cell CL1000432
    CSI 43.51
    rCSI 66.45%
    PRS 3.79
  • pancreatic acinar cell CL0002064
    CSI 43.27
    rCSI 57.51%
    PRS 4.16
  • common lymphoid progenitor CL0000051
    CSI 43.27
    rCSI 57.82%
    PRS 7.29
  • transit amplifying cell CL0009010
    CSI 42.65
    rCSI 65.23%
    PRS 6.24
  • type B pancreatic cell CL0000169
    CSI 42.56
    rCSI 94.23%
    PRS 3.59
  • hepatocyte CL0000182
    CSI 42.51
    rCSI 76.08%
    PRS 3.69
  • pro-B cell CL0000826
    CSI 41.83
    rCSI 34.64%
    PRS 3.81
  • radial glial cell CL0000681
    CSI 41.77
    rCSI 58.04%
    PRS 4.02
  • acinar cell CL0000622
    CSI 40.95
    rCSI 60.05%
    PRS 5.01
  • epithelial cell of proximal tubule CL0002306
    CSI 40.95
    rCSI 100%
    PRS 3.95
  • retina horizontal cell CL0000745
    CSI 40.71
    rCSI 62.05%
    PRS 3.59
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 40.18
    rCSI 46.4%
    PRS 3.48
  • luminal epithelial cell of mammary gland CL0002326
    CSI 38.54
    rCSI 70.02%
    PRS 5.84
  • enteric smooth muscle cell CL0002504
    CSI 38.42
    rCSI 54.83%
    PRS 4.34
  • intrahepatic cholangiocyte CL0002538
    CSI 37.35
    rCSI 89.61%
    PRS 7.25
  • group 3 innate lymphoid cell CL0001071
    CSI 36.99
    rCSI 27.79%
    PRS 3.92
  • pulmonary alveolar type 2 cell CL0002063
    CSI 36.42
    rCSI 56.48%
    PRS 6.05
  • glioblast CL0000030
    CSI 35.53
    rCSI 56.68%
    PRS 3.33
  • stromal cell of ovary CL0002132
    CSI 34.53
    rCSI 94.88%
    PRS 6.37
  • plasmacytoid dendritic cell, human CL0001058
    CSI 33.33
    rCSI 23.27%
    PRS 4.01
  • glandular epithelial cell CL0000150
    CSI 33.2
    rCSI 87.42%
    PRS 7.44
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 32.82
    rCSI 33.45%
    PRS 5.51
  • lung neuroendocrine cell CL1000223
    CSI 31.71
    rCSI 46.91%
    PRS 4.38
  • myeloid leukocyte CL0000766
    CSI 31.56
    rCSI 29.12%
    PRS 3.84
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 31.53
    rCSI 85.01%
    PRS 4.96
  • promyelocyte CL0000836
    CSI 31.04
    rCSI 44.76%
    PRS 5.29
  • respiratory basal cell CL0002633
    CSI 30.75
    rCSI 31.85%
    PRS 4.48
  • ionocyte CL0005006
    CSI 29.33
    rCSI 31.43%
    PRS 3.52
  • colon goblet cell CL0009039
    CSI 29.22
    rCSI 69.47%
    PRS 5.81
  • foveolar cell of stomach CL0002179
    CSI 29.21
    rCSI 62.17%
    PRS 6.19
  • epithelial cell CL0000066
    CSI 29.15
    rCSI 44.8%
    PRS 5.5
  • progenitor cell CL0011026
    CSI 28.94
    rCSI 61.54%
    PRS 7.38
  • goblet cell CL0000160
    CSI 28.67
    rCSI 27.09%
    PRS 3.98
  • respiratory suprabasal cell CL4033048
    CSI 28.39
    rCSI 36.4%
    PRS 4.4
  • microcirculation associated smooth muscle cell CL0008035
    CSI 28.25
    rCSI 81.79%
    PRS 4.32
  • skin fibroblast CL0002620
    CSI 27.84
    rCSI 24%
    PRS 6.35
  • muscle cell CL0000187
    CSI 27.05
    rCSI 55.54%
    PRS 9.26
  • forebrain radial glial cell CL0013000
    CSI 26.89
    rCSI 86.27%
    PRS 5.75
  • ciliated cell CL0000064
    CSI 26.29
    rCSI 42.6%
    PRS 3.87
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 25.67
    rCSI 66.36%
    PRS 3.6
  • interneuron CL0000099
    CSI 24.65
    rCSI 49.5%
    PRS 2.85
  • elicited macrophage CL0000861
    CSI 24.27
    rCSI 22.28%
    PRS 4.36
  • alveolar macrophage CL0000583
    CSI 24.02
    rCSI 39.57%
    PRS 4.42
  • perivascular cell CL4033054
    CSI 23.97
    rCSI 32.77%
    PRS 4.31
  • large pre-B-II cell CL0000957
    CSI 23.85
    rCSI 68.09%
    PRS 6.77
  • myofibroblast cell CL0000186
    CSI 23.73
    rCSI 32.86%
    PRS 5.49
  • Mueller cell CL0000636
    CSI 23.45
    rCSI 53.51%
    PRS 3.56
  • basophil CL0000767
    CSI 23.32
    rCSI 49.34%
    PRS 8.47
  • paneth cell of epithelium of small intestine CL1000343
    CSI 23.12
    rCSI 64.79%
    PRS 6
  • basal cell of prostate epithelium CL0002341
    CSI 23.06
    rCSI 66.7%
    PRS 8.49
  • alveolar type 1 fibroblast cell CL4028004
    CSI 22.98
    rCSI 25.17%
    PRS 4.44
  • keratocyte CL0002363
    CSI 22.96
    rCSI 55.19%
    PRS 5.93
  • alveolar adventitial fibroblast CL4028006
    CSI 22.61
    rCSI 35.7%
    PRS 3.84
  • mammary gland epithelial cell CL0002327
    CSI 22.5
    rCSI 78.93%
    PRS 6.93
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 21.65
    rCSI 30.68%
    PRS 3.66
  • syncytiotrophoblast cell CL0000525
    CSI 21.39
    rCSI 61.6%
    PRS 7.77
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 21.37
    rCSI 63.08%
    PRS 4.88
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 21.36
    rCSI 48.69%
    PRS 4.01
  • mucus secreting cell CL0000319
    CSI 21.26
    rCSI 33.76%
    PRS 4.99
  • colonocyte CL1000347
    CSI 21.06
    rCSI 30.19%
    PRS 5.33
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 20.56
    rCSI 38.87%
    PRS 8.6
  • pulmonary capillary endothelial cell CL4028001
    CSI -16.8
    rCSI -32.1%
    PRS 6.1%
  • lung interstitial macrophage CL4033043
    CSI -14.5
    rCSI -32.7%
    PRS 9.7%
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI -14.0
    rCSI -11.2%
    PRS 7.1%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI -13.7
    rCSI -18.0%
    PRS 5.3%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI -12.7
    rCSI -11.6%
    PRS 6.0%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI -10.2
    rCSI -7.9%
    PRS 3.4%
  • cardiac neuron CL0010022
    CSI -9.6
    rCSI -30.7%
    PRS 2.9%
  • pulmonary artery endothelial cell CL1001568
    CSI -9.3
    rCSI -12.6%
    PRS 5.9%
  • brush cell CL0002204
    CSI -9.2
    rCSI -18.2%
    PRS 11.1%
  • lung endothelial cell CL1001567
    CSI -9.2
    rCSI -21.3%
    PRS 10.2%
  • Kupffer cell CL0000091
    CSI -8.6
    rCSI -19.6%
    PRS 3.7%
  • mucosal invariant T cell CL0000940
    CSI -8.0
    rCSI -6.5%
    PRS 9.3%
  • monocyte CL0000576
    CSI -7.7
    rCSI -13.9%
    PRS 10.9%
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI -7.7
    rCSI -19.8%
    PRS 13.8%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI -7.4
    rCSI -7.3%
    PRS 6.1%
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI -7.3
    rCSI -5.5%
    PRS 5.1%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI -7.1
    rCSI -8.5%
    PRS 6.7%
  • B cell CL0000236
    CSI -6.4
    rCSI -8.6%
    PRS 22.6%
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI -5.9
    rCSI -5.4%
    PRS 7.0%
  • vascular leptomeningeal cell CL4023051
    CSI -5.6
    rCSI -9.8%
    PRS 3.0%
  • cardiac endothelial cell CL0010008
    CSI -5.2
    rCSI -20.9%
    PRS 4.3%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI -4.8
    rCSI -13.9%
    PRS 5.5%
  • exhausted T cell CL0011025
    CSI -4.7
    rCSI -79.4%
    PRS 20.1%
  • epicardial adipocyte CL1000309
    CSI -4.6
    rCSI -14.9%
    PRS 6.3%
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI -3.5
    rCSI -2.5%
    PRS 5.2%
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI -3.5
    rCSI -2.6%
    PRS 11.6%
  • astrocyte of the cerebral cortex CL0002605
    CSI -3.2
    rCSI -7.2%
    PRS 2.5%
  • mature T cell CL0002419
    CSI -3.2
    rCSI -2.5%
    PRS 5.5%
  • endothelial cell of lymphatic vessel CL0002138
    CSI -3.0
    rCSI -5.9%
    PRS 12.1%
  • blood vessel endothelial cell CL0000071
    CSI -2.9
    rCSI -6.0%
    PRS 3.8%
  • cord blood hematopoietic stem cell CL2000095
    CSI -2.9
    rCSI -54.9%
    PRS 31.3%
  • erythroid lineage cell CL0000764
    CSI -2.7
    rCSI -17.1%
    PRS 10.4%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI -2.4
    rCSI -1.4%
    PRS 5.3%
  • memory T cell CL0000813
    CSI -2.4
    rCSI -4.7%
    PRS 8.8%
  • naive T cell CL0000898
    CSI -2.4
    rCSI -1.7%
    PRS 5.5%
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI -2.3
    rCSI -2.7%
    PRS 5.8%
  • primordial germ cell CL0000670
    CSI -2.3
    rCSI -11.2%
    PRS 28.2%
  • immature innate lymphoid cell CL0001082
    CSI -2.2
    rCSI -67.9%
    PRS 57.1%
  • S cone cell CL0003050
    CSI -1.9
    rCSI -8.4%
    PRS 3.6%
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI -1.8
    rCSI -1.7%
    PRS 11.5%
  • follicular B cell CL0000843
    CSI -1.7
    rCSI -6.2%
    PRS 19.6%
  • mature microglial cell CL0002629
    CSI -1.5
    rCSI -6.2%
    PRS 8.9%
  • cytotoxic T cell CL0000910
    CSI -1.4
    rCSI -7.9%
    PRS 6.0%
  • regular ventricular cardiac myocyte CL0002131
    CSI -1.3
    rCSI -7.9%
    PRS 3.2%
  • intraepithelial lymphocyte CL0002496
    CSI -1.1
    rCSI -3.0%
    PRS 18.7%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI -1.1
    rCSI -2.8%
    PRS 4.6%
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI -1.0
    rCSI -1.6%
    PRS 9.7%
  • cell of skeletal muscle CL0000188
    CSI -1.0
    rCSI -10.3%
    PRS 26.5%
  • myelocyte CL0002193
    CSI -0.5
    rCSI -3.1%
    PRS 13.2%
  • endocardial cell CL0002350
    CSI -0.4
    rCSI -1.9%
    PRS 6.5%
  • endothelial cell of artery CL1000413
    CSI -0.3
    rCSI -0.5%
    PRS 23.1%
  • endothelial cell of vascular tree CL0002139
    CSI -0.3
    rCSI -1.5%
    PRS 9.8%
  • mature NK T cell CL0000814
    CSI -0.2
    rCSI -0.2%
    PRS 17.7%
  • megakaryocyte CL0000556
    CSI -0.2
    rCSI -0.7%
    PRS 7.1%
  • T follicular helper cell CL0002038
    CSI -0.2
    rCSI -0.1%
    PRS 6.3%
  • B-2 B cell CL0000822
    CSI 0.2
    rCSI 3.4%
    PRS 24.5%
  • slow muscle cell CL0000189
    CSI 0.2
    rCSI 3.1%
    PRS 37.2%
  • intermediate monocyte CL0002393
    CSI 0.3
    rCSI 0.4%
    PRS 3.7%
  • small pre-B-II cell CL0000954
    CSI 0.3
    rCSI 0.2%
    PRS 8.3%
  • cardiac muscle cell CL0000746
    CSI 0.3
    rCSI 0.4%
    PRS 3.2%
  • glycinergic amacrine cell CL4030028
    CSI 0.3
    rCSI 0.9%
    PRS 5.3%
  • neural cell CL0002319
    CSI 0.4
    rCSI 1.3%
    PRS 8.2%
  • endothelial cell of placenta CL0009092
    CSI 0.4
    rCSI 2.1%
    PRS 5.2%
  • diffuse bipolar 3a cell CL4033029
    CSI 0.5
    rCSI 3.0%
    PRS 7.0%
  • NKp44-negative group 3 innate lymphoid cell, human CL0001080
    CSI 0.5
    rCSI 15.1%
    PRS 47.5%
  • prostate gland microvascular endothelial cell CL2000059
    CSI 0.5
    rCSI 12.6%
    PRS 14.6%
  • kidney granular cell CL0000648
    CSI 0.6
    rCSI 7.9%
    PRS 37.4%
  • endothelial cell of pericentral hepatic sinusoid CL0019022
    CSI 0.6
    rCSI 1.8%
    PRS 7.7%
  • invaginating midget bipolar cell CL4033034
    CSI 0.6
    rCSI 3.7%
    PRS 6.9%
  • squamous epithelial cell CL0000076
    CSI 0.6
    rCSI 1.5%
    PRS 5.1%
  • memory B cell CL0000787
    CSI 0.7
    rCSI 0.7%
    PRS 16.8%
  • stratified epithelial cell CL0000079
    CSI 0.7
    rCSI 4.4%
    PRS 19.5%
  • innate lymphoid cell CL0001065
    CSI 0.7
    rCSI 1.5%
    PRS 6.3%
  • activated CD4-positive, alpha-beta T cell, human CL0001043
    CSI 0.8
    rCSI 2.0%
    PRS 27.0%
  • lung microvascular endothelial cell CL2000016
    CSI 0.8
    rCSI 16.3%
    PRS 14.1%
  • diffuse bipolar 6 cell CL4033032
    CSI 0.9
    rCSI 4.6%
    PRS 8.4%
  • starburst amacrine cell CL0004232
    CSI 0.9
    rCSI 7.6%
    PRS 6.8%
  • small intestine goblet cell CL1000495
    CSI 0.9
    rCSI 2.1%
    PRS 5.3%
  • diffuse bipolar 3b cell CL4033030
    CSI 1.0
    rCSI 6.3%
    PRS 7.1%
  • vasa recta ascending limb cell CL1001131
    CSI 1.0
    rCSI 4.5%
    PRS 18.4%
  • helper T cell CL0000912
    CSI 1.0
    rCSI 1.4%
    PRS 5.7%
  • endothelial cell of venule CL1000414
    CSI 1.0
    rCSI 8.9%
    PRS 24.3%
  • IgM plasma cell CL0000986
    CSI 1.0
    rCSI 4.5%
    PRS 20.6%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.0
    rCSI 1.7%
    PRS 8.3%
  • diffuse bipolar 2 cell CL4033028
    CSI 1.0
    rCSI 7.9%
    PRS 7.0%
  • mature alpha-beta T cell CL0000791
    CSI 1.3
    rCSI 4.8%
    PRS 6.6%
  • B-1 B cell CL0000819
    CSI 1.3
    rCSI 34.4%
    PRS 22.8%
  • inhibitory interneuron CL0000498
    CSI 1.3
    rCSI 3.1%
    PRS 3.5%
  • central nervous system neuron CL2000029
    CSI 1.4
    rCSI 9.9%
    PRS 1.8%
  • regulatory T cell CL0000815
    CSI 1.4
    rCSI 1.6%
    PRS 13.3%
  • mature astrocyte CL0002627
    CSI 1.4
    rCSI 6.1%
    PRS 8.3%
  • epithelial cell of proximal tubule segment 3 CL4030011
    CSI 1.5
    rCSI 12.1%
    PRS 39.1%
  • fast muscle cell CL0000190
    CSI 1.6
    rCSI 6.1%
    PRS 17.0%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 1.6
    rCSI 5.1%
    PRS 2.0%
  • oligodendrocyte CL0000128
    CSI 1.6
    rCSI 4.7%
    PRS 2.6%
  • smooth muscle cell of prostate CL1000487
    CSI 1.7
    rCSI 9.7%
    PRS 21.6%
  • kidney connecting tubule principal cell CL4030018
    CSI 1.8
    rCSI 12.8%
    PRS 43.1%
  • lung pericyte CL0009089
    CSI 1.8
    rCSI 4.7%
    PRS 4.6%
  • unswitched memory B cell CL0000970
    CSI 1.8
    rCSI 1.6%
    PRS 6.4%
  • ON parasol ganglion cell CL4033052
    CSI 1.8
    rCSI 26.1%
    PRS 3.1%

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 Phosphatidylethanolamine-binding protein 1 ([PEBP1](/details-gene/5037)) is a multifunctional protein primarily known for its role as a key negative regulator of cellular signaling pathways. It is widely recognized as Raf Kinase Inhibitor Protein (RKIP), which directly binds to and inhibits the kinase activity of RAF1, thereby suppressing the MAP kinase signaling cascade [Link](https://doi.org/10.1038/43686). **Overall**, [PEBP1](/details-gene/5037) shows a distinct expression pattern, with high significance in progenitor populations such as [hematopoietic stem cell](/details-cell/CL0000037) and in various specialized epithelial and secretory cells, including [fallopian tube secretory epithelial cell](/details-cell/CL4030006) and [plasmablast](/details-cell/CL0000980). Its broad cellular expression combined with its specific inhibitory function suggests a critical role in controlling cell proliferation, differentiation, and signal transduction across numerous tissues. ## Cellular Roles and Expression Landscape The expression profile of [PEBP1](/details-gene/5037) highlights its importance in maintaining cellular quiescence and regulating differentiation. The gene demonstrates high significance in multiple progenitor and stem cell populations, including [hematopoietic stem cell](/details-cell/CL0000037), [megakaryocyte-erythroid progenitor cell](/details-cell/CL0000050), and [common myeloid progenitor](/details-cell/CL0000049). This pattern is consistent with its function as a signaling inhibitor that may help maintain the undifferentiated state of these cells. Furthermore, [PEBP1](/details-gene/5037) is highly expressed in several epithelial and secretory cell types, such as [ciliated epithelial cell](/details-cell/CL0000067), [keratinocyte](/details-cell/CL0000312), and endocrine cells like the [pancreatic A cell](/details-cell/CL0000171), suggesting a role in regulating homeostasis and specialized functions in these tissues. In stark contrast, [PEBP1](/details-gene/5037) expression is markedly low in several terminally differentiated immune cell subsets. These include [effector memory CD8-positive, alpha-beta T cell](/details-cell/CL0000913), various monocyte populations (e.g., [CD14-positive, CD16-positive monocyte](/details-cell/CL0002397)), and tissue-resident macrophages like the [Kupffer cell](/details-cell/CL0000091). This suggests that downregulation of [PEBP1](/details-gene/5037) may be a prerequisite for the full activation and effector function of these immune cells, as sustained MAPK signaling is often required for their response. The low significance in endothelial cells, such as [pulmonary capillary endothelial cell](/details-cell/CL4028001), and neuronal cells further refines its role as being more critical in epithelial and progenitor contexts than in vascular or nervous systems. ## Pathways and Molecular Function Functionally, [PEBP1](/details-gene/5037) is deeply integrated into the regulation of intracellular signaling. Its most well-characterized molecular function is as a serine-type endopeptidase inhibitor and a direct inhibitor of the [Raf/map kinase cascade](/details-reactome/R-HSA-5673001) [Link](https://doi.org/10.1038/43686). Gene Ontology annotations confirm its role in the [Negative regulation of mapk cascade](/details-go/GO:0043409) and its ability to engage in [Protein kinase binding](/details-go/GO:0019901). Reactome pathway analysis further details its involvement in the negative regulation of the MAPK pathway ([R-HSA-5675221](https://reactome.org/content/detail/R-HSA-5675221)) and highlights its relevance in pathological states, including [Oncogenic mapk signaling](/details-reactome/R-HSA-6802957). The protein's ability to bind multiple partners, including ATP ([GO:0005524](https://www.ebi.ac.uk/QuickGO/term/GO:0005524)), phosphatidylethanolamine ([GO:0008429](https://www.ebi.ac.uk/QuickGO/term/GO:0008429)), and RNA ([GO:0003723](https://www.ebi.ac.uk/QuickGO/term/GO:0003723)), suggests it acts as a scaffold or hub protein with functions extending beyond MAPK inhibition. Its presence in the [cytosol](/details-go/GO:0005829), [nucleus](/details-go/GO:0005634), and [extracellular exosome](/details-go/GO:0070062) implies it can exert its regulatory functions in multiple cellular compartments and potentially in intercellular communication. This role as a critical signaling brake is consistent with its high expression in progenitor cells, where tight control over proliferation and differentiation signals is paramount. ## Research Directions The dichotomous expression pattern of [PEBP1](/details-gene/5037)—high in progenitor cells and low in mature effector immune cells—provides a strong basis for further investigation into its role in hematopoietic differentiation and immune function. ### Proposed Hypotheses 1. **Hypothesis 1:** The programmed downregulation of [PEBP1](/details-gene/5037) is a crucial checkpoint for the terminal differentiation and functional maturation of myeloid and lymphoid lineages. Its forced expression would arrest development and inhibit the acquisition of effector functions by preventing necessary MAPK pathway activation. 2. **Hypothesis 2:** In epithelial tissues, the expression level of [PEBP1](/details-gene/5037) acts as a rheostat to balance cell proliferation and tissue homeostasis. Loss or silencing of [PEBP1](/details-gene/5037) in cells like [keratinocyte](/details-cell/CL0000312)s or [intestinal epithelial cell](/details-cell/CL0002563)s is an early event that contributes to hyperproliferative disorders and carcinogenesis by unleashing MAPK signaling. ### Key Experiment To test Hypothesis 1, one could utilize a CRISPR-based modulation system in primary human [hematopoietic stem cell](/details-cell/CL0000037)s. Specifically, lentiviral vectors encoding dCas9-KRAB (for repression) or dCas9-VPR (for activation) along with gRNAs targeting the [PEBP1](/details-gene/5037) promoter would be used to create populations with either suppressed or overexpressed [PEBP1](/details-gene/5037). These modified stem cells would then be cultured *in vitro* under conditions that promote differentiation towards T cell and monocyte lineages. The differentiation trajectory and efficiency could be monitored by multi-color flow cytometry, while the functional consequences could be assessed using single-cell RNA sequencing to map transcriptional states and phosphoproteomics to directly measure the activity of the MAPK pathway (e.g., p-ERK levels) in response to stimulation. ### Therapeutic Potential Given its established function as an endogenous inhibitor of the oncogenic Raf/MAPK cascade, [PEBP1](/details-gene/5037) is widely regarded as a tumor suppressor protein. Consequently, therapeutic strategies are unlikely to involve inhibition. Instead, approaches would focus on **activation or restoration** of its function in cancer cells where it is lost or silenced. This could involve developing small molecules that stabilize the PEBP1-RAF interaction or gene therapies aimed at re-introducing [PEBP1](/details-gene/5037) expression in tumor tissues. Such a strategy could be particularly effective in cancers driven by hyperactive, but not mutated, RAF signaling.

Genular Protein ID: 3878413457

Symbol: PEBP1_HUMAN

Name: Phosphatidylethanolamine-binding protein 1

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 8144042

Title: A human cDNA sequence homologue of bovine phosphatidylethanolamine-binding protein.

PubMed ID: 8144042

DOI: 10.1016/0378-1119(94)90562-2

PubMed ID: 7637590

Title: Sequence homology of rat and human HCNP precursor proteins, bovine phosphatidylethanolamine-binding protein and rat 23-kDa protein associated with the opioid-binding protein.

PubMed ID: 7637590

DOI: 10.1016/0169-328x(95)00029-r

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 15489334

Title: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).

PubMed ID: 15489334

DOI: 10.1101/gr.2596504

PubMed ID: 1286669

Title: Human liver protein map: a reference database established by microsequencing and gel comparison.

PubMed ID: 1286669

DOI: 10.1002/elps.11501301201

PubMed ID: 7807553

Title: Amino acid sequence of the Homo sapiens brain 21-23-kDa protein (neuropolypeptide h3), comparison with its counterparts from Rattus norvegicus and Bos taurus species, and expression of its mRNA in different tissues.

PubMed ID: 7807553

DOI: 10.1007/bf00160411

PubMed ID: 10622376

Title: Hippocampal cholinergic neurostimulating peptides (HCNP).

PubMed ID: 10622376

DOI: 10.1016/s0301-0082(99)00021-0

PubMed ID: 10490027

Title: Suppression of Raf-1 kinase activity and MAP kinase signalling by RKIP.

PubMed ID: 10490027

DOI: 10.1038/43686

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: 18294816

Title: The RKIP (Raf-1 Kinase Inhibitor Protein) conserved pocket binds to the phosphorylated N-region of Raf-1 and inhibits the Raf-1-mediated activated phosphorylation of MEK.

PubMed ID: 18294816

DOI: 10.1016/j.cellsig.2008.01.012

PubMed ID: 18669648

Title: A quantitative atlas of mitotic phosphorylation.

PubMed ID: 18669648

DOI: 10.1073/pnas.0805139105

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: 21831839

Title: 15-Lipoxygenase 1 interacts with phosphatidylethanolamine-binding protein to regulate MAPK signaling in human airway epithelial cells.

PubMed ID: 21831839

DOI: 10.1073/pnas.1018075108

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: 22905912

Title: Resveratrol-induced changes of the human adipocyte secretion profile.

PubMed ID: 22905912

DOI: 10.1021/pr300539b

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: 9782050

Title: Function from structure? The crystal structure of human phosphatidylethanolamine-binding protein suggests a role in membrane signal transduction.

PubMed ID: 9782050

DOI: 10.1016/s0969-2126(98)00125-7

Sequence Information:

  • Length: 187
  • Mass: 21057
  • Checksum: F1E9F17E2CD11C36
  • Sequence:
  • MPVDLSKWSG PLSLQEVDEQ PQHPLHVTYA GAAVDELGKV LTPTQVKNRP TSISWDGLDS 
    GKLYTLVLTD PDAPSRKDPK YREWHHFLVV NMKGNDISSG TVLSDYVGSG PPKGTGLHRY 
    VWLVYEQDRP LKCDEPILSN RSGDHRGKFK VASFRKKYEL RAPVAGTCYQ AEWDDYVPKL 
    YEQLSGK