Details for: SURF4

Gene ID: 6836

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: SURF4

Ensembl ID: ENSG00000148248

Description: surfeit 4

Cell Significance Landscape

Associated with

Significant Cells

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

  • pancreatic A cell CL0000171
    CSI 53.86
    rCSI 56.42%
    PRS 23.86
  • extravillous trophoblast CL0008036
    CSI 43.73
    rCSI 54.1%
    PRS 19.72
  • type B pancreatic cell CL0000169
    CSI 28.14
    rCSI 62.31%
    PRS 20.75
  • placental villous trophoblast CL2000060
    CSI 26.33
    rCSI 40.68%
    PRS 21.01
  • intestinal epithelial cell CL0002563
    CSI 20.18
    rCSI 21.1%
    PRS 23.4
  • pancreatic acinar cell CL0002064
    CSI 19.15
    rCSI 25.45%
    PRS 24.66
  • memory T cell CL0000813
    CSI 12.61
    rCSI 24.28%
    PRS 50
  • ciliated cell CL0000064
    CSI 12.12
    rCSI 19.63%
    PRS 22.65
  • pancreatic PP cell CL0002275
    CSI 12.02
    rCSI 47.85%
    PRS 37.96
  • dendritic cell, human CL0001056
    CSI 11.43
    rCSI 17.55%
    PRS 27.12
  • IgA plasma cell CL0000987
    CSI 11.36
    rCSI 11.63%
    PRS 40.63
  • cerebral cortex endothelial cell CL1001602
    CSI 10.09
    rCSI 17.46%
    PRS 17.17
  • mucus secreting cell CL0000319
    CSI 9.23
    rCSI 14.66%
    PRS 28.86
  • enterocyte CL0000584
    CSI 9.12
    rCSI 14.7%
    PRS 33.76
  • alternatively activated macrophage CL0000890
    CSI 9.08
    rCSI 11.41%
    PRS 34.36
  • paneth cell of epithelium of small intestine CL1000343
    CSI 8.21
    rCSI 23.02%
    PRS 34.68
  • pancreatic D cell CL0000173
    CSI 8.13
    rCSI 8%
    PRS 24.19
  • ON-bipolar cell CL0000749
    CSI 8.03
    rCSI 11.93%
    PRS 26.45
  • pancreatic ductal cell CL0002079
    CSI 8.02
    rCSI 15.59%
    PRS 23.1
  • VIP GABAergic cortical interneuron CL4023016
    CSI 7.86
    rCSI 9.39%
    PRS 13.15
  • colon goblet cell CL0009039
    CSI 7.74
    rCSI 18.41%
    PRS 33.25
  • retinal rod cell CL0000604
    CSI 7.57
    rCSI 13.35%
    PRS 21.93
  • plasmablast CL0000980
    CSI 7.54
    rCSI 5.93%
    PRS 27.35
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 7.4
    rCSI 5.63%
    PRS 29.9
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 7.16
    rCSI 17.4%
    PRS 13.06
  • syncytiotrophoblast cell CL0000525
    CSI 6.95
    rCSI 20.02%
    PRS 40.58
  • pancreatic stellate cell CL0002410
    CSI 6.89
    rCSI 40.07%
    PRS 33
  • mesenchymal stem cell CL0000134
    CSI 6.35
    rCSI 69.52%
    PRS 39.11
  • helper T cell CL0000912
    CSI 6.32
    rCSI 8.94%
    PRS 31.59
  • innate lymphoid cell CL0001065
    CSI 6.17
    rCSI 12.74%
    PRS 33.38
  • secretory cell CL0000151
    CSI 5.84
    rCSI 6.09%
    PRS 23.05
  • common myeloid progenitor CL0000049
    CSI 5.82
    rCSI 4.71%
    PRS 22.69
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 5.63
    rCSI 5.53%
    PRS 35.04
  • Kupffer cell CL0000091
    CSI 5.06
    rCSI 11.56%
    PRS 21.97
  • lung macrophage CL1001603
    CSI 5.04
    rCSI 11.26%
    PRS 26.45
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 4.92
    rCSI 6.7%
    PRS 50.87
  • M cell of gut CL0000682
    CSI 4.6
    rCSI 4.89%
    PRS 37.89
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 4.45
    rCSI 11.52%
    PRS 20.91
  • group 3 innate lymphoid cell CL0001071
    CSI 4.37
    rCSI 3.28%
    PRS 24.14
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 4.35
    rCSI 12.47%
    PRS 33.97
  • vascular associated smooth muscle cell CL0000359
    CSI 4.21
    rCSI 13.66%
    PRS 26.9
  • sst GABAergic cortical interneuron CL4023017
    CSI 4.2
    rCSI 5.42%
    PRS 13.92
  • naive T cell CL0000898
    CSI 4.19
    rCSI 2.91%
    PRS 31.92
  • respiratory goblet cell CL0002370
    CSI 4.18
    rCSI 45.51%
    PRS 42.19
  • cerebellar granule cell CL0001031
    CSI 4.17
    rCSI 6.13%
    PRS 20.69
  • BEST4+ enteroycte CL4030026
    CSI 4.05
    rCSI 5.04%
    PRS 23.96
  • alveolar adventitial fibroblast CL4028006
    CSI 4.04
    rCSI 6.38%
    PRS 22.58
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 4
    rCSI 2.69%
    PRS 27.95
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 3.9
    rCSI 4.08%
    PRS 58.69
  • pulmonary artery endothelial cell CL1001568
    CSI 3.9
    rCSI 5.3%
    PRS 33.9
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 3.79
    rCSI 2.53%
    PRS 51.58
  • unswitched memory B cell CL0000970
    CSI 3.73
    rCSI 3.14%
    PRS 35.58
  • blood vessel smooth muscle cell CL0019018
    CSI 3.72
    rCSI 30.25%
    PRS 22.21
  • squamous epithelial cell CL0000076
    CSI 3.66
    rCSI 8.69%
    PRS 27.81
  • intestine goblet cell CL0019031
    CSI 3.46
    rCSI 3.07%
    PRS 22.68
  • pulmonary capillary endothelial cell CL4028001
    CSI 3.46
    rCSI 6.59%
    PRS 35.15
  • hepatic stellate cell CL0000632
    CSI 3.43
    rCSI 12.85%
    PRS 18.85
  • vascular leptomeningeal cell CL4023051
    CSI 3.4
    rCSI 5.96%
    PRS 17.2
  • T-helper 17 cell CL0000899
    CSI 3.37
    rCSI 2.68%
    PRS 40.17
  • fibroblast of lung CL0002553
    CSI 3.27
    rCSI 3.04%
    PRS 22.57
  • erythroid progenitor cell CL0000038
    CSI 3.25
    rCSI 18.63%
    PRS 33.18
  • skin fibroblast CL0002620
    CSI 3.17
    rCSI 2.74%
    PRS 34.23
  • regulatory T cell CL0000815
    CSI 3.16
    rCSI 3.67%
    PRS 56.45
  • conjunctival epithelial cell CL1000432
    CSI 3.15
    rCSI 4.82%
    PRS 22.67
  • respiratory hillock cell CL4030023
    CSI 3.14
    rCSI 5.59%
    PRS 36.92
  • activated type II NK T cell CL0000931
    CSI 3.13
    rCSI 3.53%
    PRS 35.76
  • interstitial cell of Cajal CL0002088
    CSI 3.11
    rCSI 3.96%
    PRS 25.94
  • myofibroblast cell CL0000186
    CSI 3.09
    rCSI 4.28%
    PRS 31.12
  • IgG plasma cell CL0000985
    CSI 3.04
    rCSI 3.64%
    PRS 39.02
  • bronchus fibroblast of lung CL2000093
    CSI 3.01
    rCSI 2.44%
    PRS 23.64
  • interneuron CL0000099
    CSI 2.93
    rCSI 5.88%
    PRS 16.56
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 2.91
    rCSI 2.18%
    PRS 58.4
  • epithelial cell of lower respiratory tract CL0002632
    CSI 2.88
    rCSI 2.23%
    PRS 21.68
  • colonocyte CL1000347
    CSI 2.87
    rCSI 4.12%
    PRS 30.12
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 2.83
    rCSI 2.03%
    PRS 31.2
  • bronchial goblet cell CL1000312
    CSI 2.78
    rCSI 11.11%
    PRS 45.94
  • fallopian tube secretory epithelial cell CL4030006
    CSI 2.74
    rCSI 2.64%
    PRS 23.27
  • brush cell of tracheobronchial tree CL0002075
    CSI 2.74
    rCSI 8.12%
    PRS 31.38
  • epithelial cell CL0000066
    CSI 2.71
    rCSI 4.16%
    PRS 30.21
  • stem cell CL0000034
    CSI 2.69
    rCSI 2.59%
    PRS 16.4
  • astrocyte of the cerebral cortex CL0002605
    CSI 2.68
    rCSI 6.01%
    PRS 13.94
  • goblet cell CL0000160
    CSI 2.59
    rCSI 2.45%
    PRS 23.63
  • precursor B cell CL0000817
    CSI 2.58
    rCSI 2.26%
    PRS 29.95
  • double negative thymocyte CL0002489
    CSI 2.57
    rCSI 1.79%
    PRS 27.23
  • perivascular cell CL4033054
    CSI 2.57
    rCSI 3.51%
    PRS 25.39
  • mesenchymal cell CL0008019
    CSI 2.57
    rCSI 6.52%
    PRS 22.42
  • enterocyte of epithelium of small intestine CL1000334
    CSI 2.55
    rCSI 39.5%
    PRS 51.89
  • retinal blood vessel endothelial cell CL0002585
    CSI 2.53
    rCSI 4.05%
    PRS 24.64
  • cerebral cortex neuron CL0010012
    CSI 2.53
    rCSI 10.3%
    PRS 22.91
  • transit amplifying cell of small intestine CL0009012
    CSI 2.52
    rCSI 11.07%
    PRS 40.78
  • alveolar type 1 fibroblast cell CL4028004
    CSI 2.48
    rCSI 2.72%
    PRS 25.25
  • neural crest cell CL0011012
    CSI 2.47
    rCSI 1.95%
    PRS 15.43
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 2.46
    rCSI 2.27%
    PRS 40.43
  • colon epithelial cell CL0011108
    CSI 2.42
    rCSI 2.53%
    PRS 21
  • CD4-positive helper T cell CL0000492
    CSI 2.39
    rCSI 1.81%
    PRS 30.99
  • T follicular helper cell CL0002038
    CSI 2.39
    rCSI 1.79%
    PRS 35.5
  • podocyte CL0000653
    CSI 2.38
    rCSI 10.58%
    PRS 21.88
  • Bergmann glial cell CL0000644
    CSI 2.36
    rCSI 3.22%
    PRS 22.25
  • midzonal region hepatocyte CL0019028
    CSI 2.32
    rCSI 5.44%
    PRS 32.06
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 2.29
    rCSI 8.25%
    PRS 12.54
  • amacrine cell CL0000561
    CSI 0.1
    rCSI 0.2%
    PRS 17.3%
  • group 2 innate lymphoid cell CL0001069
    CSI 0.1
    rCSI 0.3%
    PRS 65.9%
  • paneth cell of colon CL0009009
    CSI 0.2
    rCSI 1.6%
    PRS 54.0%
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.2%
    PRS 33.2%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.3
    rCSI 1.8%
    PRS 43.2%
  • serous secreting cell of bronchus submucosal gland CL4033005
    CSI 0.4
    rCSI 2.1%
    PRS 62.7%
  • eosinophil CL0000771
    CSI 0.4
    rCSI 2.5%
    PRS 54.4%
  • P/D1 enteroendocrine cell CL0002268
    CSI 0.4
    rCSI 2.3%
    PRS 49.8%
  • myelocyte CL0002193
    CSI 0.4
    rCSI 2.9%
    PRS 61.9%
  • retinal ganglion cell CL0000740
    CSI 0.5
    rCSI 1.0%
    PRS 16.0%
  • primitive red blood cell CL0002355
    CSI 0.5
    rCSI 2.5%
    PRS 37.7%
  • enteroglial cell CL4040002
    CSI 0.5
    rCSI 2.5%
    PRS 36.8%
  • mature alpha-beta T cell CL0000791
    CSI 0.5
    rCSI 1.8%
    PRS 38.7%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 0.5
    rCSI 1.3%
    PRS 17.1%
  • retinal cone cell CL0000573
    CSI 0.5
    rCSI 0.8%
    PRS 17.1%
  • vein endothelial cell of respiratory system CL4033008
    CSI 0.5
    rCSI 3.6%
    PRS 42.5%
  • tracheobronchial serous cell CL0019001
    CSI 0.6
    rCSI 2.4%
    PRS 40.4%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 0.6
    rCSI 2.9%
    PRS 29.9%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 0.6
    rCSI 3.5%
    PRS 14.0%
  • luminal cell of prostate epithelium CL0002340
    CSI 0.6
    rCSI 3.4%
    PRS 38.8%
  • stromal cell of ovary CL0002132
    CSI 0.7
    rCSI 1.8%
    PRS 36.5%
  • respiratory epithelial cell CL0002368
    CSI 0.7
    rCSI 4.4%
    PRS 62.8%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.7
    rCSI 5.4%
    PRS 40.7%
  • lung goblet cell CL1000143
    CSI 0.7
    rCSI 8.2%
    PRS 63.4%
  • peptic cell CL0000155
    CSI 0.8
    rCSI 7.5%
    PRS 54.9%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 0.8
    rCSI 1.4%
    PRS 13.2%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.8
    rCSI 2.5%
    PRS 14.2%
  • glial cell CL0000125
    CSI 0.8
    rCSI 3.1%
    PRS 21.6%
  • Hofbauer cell CL3000001
    CSI 0.8
    rCSI 1.6%
    PRS 28.6%
  • megakaryocyte CL0000556
    CSI 0.8
    rCSI 3.6%
    PRS 38.6%
  • small intestine goblet cell CL1000495
    CSI 0.9
    rCSI 1.9%
    PRS 30.0%
  • peripheral nervous system neuron CL2000032
    CSI 0.9
    rCSI 1.2%
    PRS 19.7%
  • type EC enteroendocrine cell CL0000577
    CSI 0.9
    rCSI 3.1%
    PRS 36.2%
  • indirect pathway medium spiny neuron CL4023029
    CSI 0.9
    rCSI 21.1%
    PRS 12.8%
  • mammary gland epithelial cell CL0002327
    CSI 0.9
    rCSI 3.2%
    PRS 38.5%
  • basophil mast progenitor cell CL0002028
    CSI 0.9
    rCSI 4.9%
    PRS 68.1%
  • cardiac muscle cell CL0000746
    CSI 0.9
    rCSI 1.3%
    PRS 17.4%
  • intermediate monocyte CL0002393
    CSI 0.9
    rCSI 1.4%
    PRS 23.0%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 0.9
    rCSI 1.1%
    PRS 38.9%
  • keratocyte CL0002363
    CSI 0.9
    rCSI 2.3%
    PRS 32.8%
  • promyelocyte CL0000836
    CSI 1.0
    rCSI 1.4%
    PRS 31.4%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.0
    rCSI 1.2%
    PRS 12.5%
  • deuterosomal cell CL4033044
    CSI 1.0
    rCSI 3.3%
    PRS 35.2%
  • osteoblast CL0000062
    CSI 1.0
    rCSI 24.0%
    PRS 83.5%
  • endothelial cell of uterus CL0009095
    CSI 1.0
    rCSI 7.1%
    PRS 55.9%
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 1.0
    rCSI 1.2%
    PRS 27.7%
  • intestinal tuft cell CL0019032
    CSI 1.0
    rCSI 1.5%
    PRS 25.7%
  • transit amplifying cell of colon CL0009011
    CSI 1.0
    rCSI 1.2%
    PRS 25.8%
  • mucous neck cell CL0000651
    CSI 1.0
    rCSI 1.5%
    PRS 35.2%
  • immature B cell CL0000816
    CSI 1.0
    rCSI 0.8%
    PRS 33.2%
  • pancreatic epsilon cell CL0005019
    CSI 1.0
    rCSI 4.7%
    PRS 47.6%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.0
    rCSI 2.3%
    PRS 33.9%
  • Langerhans cell CL0000453
    CSI 1.0
    rCSI 1.6%
    PRS 39.2%
  • pulmonary ionocyte CL0017000
    CSI 1.1
    rCSI 1.3%
    PRS 28.1%
  • myoepithelial cell CL0000185
    CSI 1.1
    rCSI 2.7%
    PRS 27.6%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.1
    rCSI 2.0%
    PRS 34.2%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.1
    rCSI 1.3%
    PRS 27.3%
  • transit amplifying cell CL0009010
    CSI 1.1
    rCSI 1.7%
    PRS 36.1%
  • mesodermal cell CL0000222
    CSI 1.1
    rCSI 1.3%
    PRS 21.9%
  • kidney epithelial cell CL0002518
    CSI 1.1
    rCSI 2.1%
    PRS 47.3%
  • centrilobular region hepatocyte CL0019029
    CSI 1.2
    rCSI 3.0%
    PRS 33.8%
  • retina horizontal cell CL0000745
    CSI 1.2
    rCSI 1.8%
    PRS 20.7%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.2
    rCSI 0.9%
    PRS 21.1%
  • basal cell of prostate epithelium CL0002341
    CSI 1.2
    rCSI 3.4%
    PRS 45.8%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 1.2
    rCSI 3.5%
    PRS 25.3%
  • club cell CL0000158
    CSI 1.2
    rCSI 1.8%
    PRS 25.5%
  • serous secreting cell CL0000313
    CSI 1.2
    rCSI 6.2%
    PRS 67.3%
  • ionocyte CL0005006
    CSI 1.3
    rCSI 1.4%
    PRS 20.7%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.3
    rCSI 1.2%
    PRS 20.4%
  • lung secretory cell CL1000272
    CSI 1.3
    rCSI 3.2%
    PRS 20.8%
  • renal principal cell CL0005009
    CSI 1.3
    rCSI 3.4%
    PRS 28.7%
  • retinal bipolar neuron CL0000748
    CSI 1.3
    rCSI 2.4%
    PRS 16.2%
  • natural T-regulatory cell CL0000903
    CSI 1.3
    rCSI 2.5%
    PRS 57.5%
  • type L enteroendocrine cell CL0002279
    CSI 1.3
    rCSI 2.5%
    PRS 43.0%
  • chondrocyte CL0000138
    CSI 1.4
    rCSI 2.1%
    PRS 19.0%
  • elicited macrophage CL0000861
    CSI 1.4
    rCSI 1.2%
    PRS 26.7%
  • erythrocyte CL0000232
    CSI 1.4
    rCSI 3.2%
    PRS 29.7%
  • T-helper 1 cell CL0000545
    CSI 1.4
    rCSI 2.5%
    PRS 52.4%
  • brush cell CL0002204
    CSI 1.5
    rCSI 2.9%
    PRS 51.9%
  • adventitial cell CL0002503
    CSI 1.5
    rCSI 3.6%
    PRS 33.6%
  • promonocyte CL0000559
    CSI 1.5
    rCSI 2.6%
    PRS 30.5%
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 1.5
    rCSI 2.3%
    PRS 49.9%
  • tuft cell of colon CL0009041
    CSI 1.5
    rCSI 3.5%
    PRS 43.2%
  • ciliated epithelial cell CL0000067
    CSI 1.5
    rCSI 1.3%
    PRS 16.4%
  • intrahepatic cholangiocyte CL0002538
    CSI 1.5
    rCSI 3.7%
    PRS 39.6%
  • epithelial cell of lung CL0000082
    CSI 1.6
    rCSI 1.3%
    PRS 21.4%
  • mature B cell CL0000785
    CSI 1.6
    rCSI 1.4%
    PRS 28.4%
  • common dendritic progenitor CL0001029
    CSI 1.6
    rCSI 2.0%
    PRS 29.3%
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 1.6
    rCSI 2.2%
    PRS 43.2%
  • choroid plexus epithelial cell CL0000706
    CSI 1.6
    rCSI 2.6%
    PRS 17.2%
  • respiratory basal cell CL0002633
    CSI 1.6
    rCSI 1.7%
    PRS 26.6%
  • lung pericyte CL0009089
    CSI 1.6
    rCSI 4.3%
    PRS 26.9%
  • tendon cell CL0000388
    CSI 1.7
    rCSI 4.3%
    PRS 53.8%
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 1.7
    rCSI 3.2%
    PRS 46.3%
  • fibroblast of breast CL4006000
    CSI 1.7
    rCSI 7.1%
    PRS 51.8%
  • rod bipolar cell CL0000751
    CSI 1.7
    rCSI 3.1%
    PRS 18.6%
  • glandular epithelial cell CL0000150
    CSI 1.7
    rCSI 4.5%
    PRS 43.3%
  • acinar cell CL0000622
    CSI 1.7
    rCSI 2.5%
    PRS 29.5%
  • endothelial cell of placenta CL0009092
    CSI 1.7
    rCSI 8.5%
    PRS 30.3%
  • enteric smooth muscle cell CL0002504
    CSI 1.8
    rCSI 2.5%
    PRS 25.2%

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.

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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 [SURF4](/details-gene/6836), or Surfeit 4, is a protein-coding gene located on chromosome 9q34.2. It encodes an integral membrane protein that functions as a cargo receptor primarily involved in the transport of proteins and lipids from the endoplasmic reticulum (ER) to the Golgi apparatus. Its function is critical for the cellular secretory pathway, as evidenced by its involvement in [Copii-coated vesicle cargo loading](/details-go/GO:0090110) and [endoplasmic reticulum to golgi vesicle-mediated transport](/details-go/GO:0006888). **Overall**, expression data shows that [SURF4](/details-gene/6836) is most significant in cell types with high secretory capacity, such as [pancreatic A cell](/details-cell/CL0000171), [extravillous trophoblast](/details-cell/CL0008036), and [type B pancreatic cell](/details-cell/CL0000169), highlighting its fundamental role in protein export and metabolic homeostasis. ## Cellular Roles and Expression Landscape The expression profile of [SURF4](/details-gene/6836) strongly indicates its role as a key component of the secretory machinery in specialized cells. **Overall**, its highest significance is observed in a diverse range of secretory cell types. This includes endocrine cells of the pancreas ([pancreatic A cell](/details-cell/CL0000171), [type B pancreatic cell](/details-cell/CL0000169), and [pancreatic PP cell](/details-cell/CL0002275)), exocrine [pancreatic acinar cell](/details-cell/CL0002064), and various epithelial cells responsible for secretion, such as [intestinal epithelial cell](/details-cell/CL0002563), [ciliated cell](/details-cell/CL0000064), and [mucus secreting cell](/details-cell/CL0000319). Its prominent expression in placental cells, including [extravillous trophoblast](/details-cell/CL0008036) and [placental villous trophoblast](/details-cell/CL2000060), is consistent with the high demand for protein and hormone secretion during pregnancy. Beyond these roles, [SURF4](/details-gene/6836) also appears to be important for immune function. It shows significant expression in professional antigen-presenting cells like [dendritic cell, human](/details-cell/CL0001056) and antibody-producing [IgA plasma cell](/details-cell/CL0000987), as well as [memory T cell](/details-cell/CL0000813) and [alternatively activated macrophage](/details-cell/CL0000890). This expression pattern suggests a role in the secretion of cytokines, antibodies, and other immune mediators, aligning with its functional annotation in [neutrophil degranulation](/details-reactome/R-HSA-6798695). ## Pathways and Molecular Function Functionally, [SURF4](/details-gene/6836) acts as a [cargo receptor activity](/details-go/GO:0038024), specifically exhibiting [Copii receptor activity](/details-go/GO:0097020). This function is central to its role in the early secretory pathway. It is a key component of [vesicle-mediated transport](/details-reactome/R-HSA-5653656), facilitating the packaging of soluble cargo into COPII-coated vesicles at [endoplasmic reticulum exit site](/details-go/GO:0070971)s for delivery to the Golgi apparatus. Studies have shown that [SURF4](/details-gene/6836) is required to maintain the architecture of the ER-Golgi intermediate compartment (ERGIC) and Golgi ([Link](https://doi.org/10.1091/mbc.e07-10-0989)). The gene is implicated in several core biological processes, including [protein exit from endoplasmic reticulum](/details-go/GO:0032527) and broader [membrane trafficking](/details-reactome/R-HSA-199991). Recent research has identified specific cargo proteins that depend on [SURF4](/details-gene/6836) for efficient secretion, including proprotein convertase subtilisin/kexin type 9 (PCSK9), a key regulator of cholesterol homeostasis ([Link](https://doi.org/10.7554/elife.38839)), and erythropoietin ([Link](https://doi.org/10.1128/mcb.00180-20)). This connects its fundamental cellular role to systemic processes like [lipid homeostasis](/details-go/GO:0055088) and erythropoiesis. The protein is localized to the [endoplasmic reticulum membrane](/details-go/GO:0005789), [endoplasmic reticulum-golgi intermediate compartment](/details-go/GO:0005793), and [golgi membrane](/details-go/GO:0000139), consistent with its function in intracellular transport. ## Research Directions The widespread expression of [SURF4](/details-gene/6836) in diverse secretory cells, coupled with its specific function as a cargo receptor, opens several avenues for future investigation. **Proposed Hypotheses:** 1. Given its high significance in pancreatic islet cells ([pancreatic A cell](/details-cell/CL0000171) and [type B pancreatic cell](/details-cell/CL0000169)) and its established role in protein export, [SURF4](/details-gene/6836) may be a critical and selective regulator for the secretion of metabolic hormones like insulin and glucagon. Dysregulation or genetic variation in [SURF4](/details-gene/6836) could contribute to the pathogenesis of metabolic disorders such as type 2 diabetes by impairing appropriate hormone release. 2. The notable expression of [SURF4](/details-gene/6836) in [IgA plasma cell](/details-cell/CL0000987) suggests it is essential for efficient antibody secretion. It is hypothesized that [SURF4](/details-gene/6836) preferentially recognizes and packages immunoglobulin heavy and light chains for transport, and its deficiency could lead to specific humoral immunodeficiencies characterized by low antibody titers. **Experimental Approach:** To test the role of [SURF4](/details-gene/6836) in pancreatic hormone secretion (Hypothesis 1), a conditional knockout mouse model could be generated with [SURF4](/details-gene/6836) specifically deleted in pancreatic beta cells (e.g., using an *Ins1*-Cre driver). Glucose tolerance tests and glucose-stimulated insulin secretion assays could be performed *in vivo* to assess systemic metabolic function. Furthermore, isolated pancreatic islets from these mice could be cultured *ex vivo* and stimulated with glucose. The supernatant could be analyzed by ELISA or mass spectrometry to quantify the secretion of insulin and identify other co-secreted proteins whose export is dependent on [SURF4](/details-gene/6836). **Therapeutic Potential:** [SURF4](/details-gene/6836) represents a potential therapeutic target, primarily for inhibition. Its role in facilitating the secretion of pathogenic proteins, such as PCSK9, makes it an attractive target for diseases driven by protein oversecretion ([Link](https://doi.org/10.7554/elife.38839)). A small molecule inhibitor of the [SURF4](/details-gene/6836) cargo-binding site could reduce plasma levels of disease-associated secreted proteins. However, the gene's fundamental role in secretion across many vital cell types (e.g., pancreatic, immune, and epithelial cells) poses a significant risk for on-target toxicity with systemic administration. Therefore, therapeutic strategies would likely require tissue-specific drug delivery or focus on diseases where the benefit of inhibiting a single pathogenic cargo outweighs the risk of broader secretory pathway disruption.

Genular Protein ID: 647388776

Symbol: SURF4_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 10931946

Title: Gene expression profiling in the human hypothalamus-pituitary-adrenal axis and full-length cDNA cloning.

PubMed ID: 10931946

DOI: 10.1073/pnas.160270997

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 15164053

Title: DNA sequence and analysis of human chromosome 9.

PubMed ID: 15164053

DOI: 10.1038/nature02465

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: 7540914

Title: The surf-4 gene encodes a novel 30 kDa integral membrane protein.

PubMed ID: 7540914

DOI: 10.3109/09687689509027508

PubMed ID: 9740673

Title: The human Surfeit locus.

PubMed ID: 9740673

DOI: 10.1006/geno.1998.5372

PubMed ID: 15308636

Title: Proteomics of endoplasmic reticulum-Golgi intermediate compartment (ERGIC) membranes from brefeldin A-treated HepG2 cells identifies ERGIC-32, a new cycling protein that interacts with human Erv46.

PubMed ID: 15308636

DOI: 10.1074/jbc.m406644200

PubMed ID: 18287528

Title: The cargo receptors Surf4, endoplasmic reticulum-Golgi intermediate compartment (ERGIC)-53, and p25 are required to maintain the architecture of ERGIC and Golgi.

PubMed ID: 18287528

DOI: 10.1091/mbc.e07-10-0989

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

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: 25944712

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

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

PubMed ID: 30251625

Title: The cargo receptor SURF4 promotes the efficient cellular secretion of PCSK9.

PubMed ID: 30251625

DOI: 10.7554/elife.38839

PubMed ID: 29643117

Title: SFT-4/Surf4 control ER export of soluble cargo proteins and participate in ER exit site organization.

PubMed ID: 29643117

DOI: 10.1083/jcb.201708115

PubMed ID: 29251827

Title: Quantitative Proteomics Identified TTC4 as a TBK1 Interactor and a Positive Regulator of SeV-Induced Innate Immunity.

PubMed ID: 29251827

DOI: 10.1002/pmic.201700403

PubMed ID: 32989016

Title: The endoplasmic reticulum cargo receptor SURF4 facilitates efficient erythropoietin secretion.

PubMed ID: 32989016

DOI: 10.1128/mcb.00180-20

PubMed ID: 33186557

Title: Receptor-mediated ER export of lipoproteins controls lipid homeostasis in mice and humans.

PubMed ID: 33186557

DOI: 10.1016/j.cmet.2020.10.020

PubMed ID: 34015269

Title: TMEM41B acts as an ER scramblase required for lipoprotein biogenesis and lipid homeostasis.

PubMed ID: 34015269

DOI: 10.1016/j.cmet.2021.05.006

Sequence Information:

  • Length: 269
  • Mass: 30394
  • Checksum: 03366E29882B97A5
  • Sequence:
  • MGQNDLMGTA EDFADQFLRV TKQYLPHVAR LCLISTFLED GIRMWFQWSE QRDYIDTTWN 
    CGYLLASSFV FLNLLGQLTG CVLVLSRNFV QYACFGLFGI IALQTIAYSI LWDLKFLMRN 
    LALGGGLLLL LAESRSEGKS MFAGVPTMRE SSPKQYMQLG GRVLLVLMFM TLLHFDASFF 
    SIVQNIVGTA LMILVAIGFK TKLAALTLVV WLFAINVYFN AFWTIPVYKP MHDFLKYDFF 
    QTMSVIGGLL LVVALGPGGV SMDEKKKEW

Genular Protein ID: 1198704673

Symbol: B7Z7A8_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Sequence Information:

  • Length: 260
  • Mass: 29458
  • Checksum: 795E288F8EA30C02
  • Sequence:
  • MRSLATEFLR VTKQYLPHVA RLCLISTFLE DGIRMWFQWS EQRDYIDTTW NCGYLLASSF 
    VFLNLLGQLT GCVLVLSRNF VQYACFGLFG IIALQTIAYS ILWDLKFLMR NLALGGGLLL 
    LLAESRSEGK SMFAGVPTMR ESSPKQYMQL GGRVLLVLMF MTLLHFDASF FSIVQNIVGT 
    ALMILVAIGF KTKLAALTLV VWLFAINVYF NAFWTIPVYK PMHDFLKYDF FQTMSVIGGL 
    LLVVALGPGG VSMDEKKKEW

Genular Protein ID: 516839150

Symbol: B7Z1G8_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 11237011

Title: Initial sequencing and analysis of the human genome.

PubMed ID: 11237011

DOI: 10.1038/35057062

PubMed ID: 11181995

Title: The sequence of the human genome.

PubMed ID: 11181995

DOI: 10.1126/science.1058040

PubMed ID: 15164053

Title: DNA sequence and analysis of human chromosome 9.

PubMed ID: 15164053

DOI: 10.1038/nature02465

PubMed ID: 15496913

Title: Finishing the euchromatic sequence of the human genome.

PubMed ID: 15496913

DOI: 10.1038/nature03001

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 25944712

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

PubMed ID: 25944712

Sequence Information:

  • Length: 226
  • Mass: 25497
  • Checksum: 13E6BAC55DA33F5D
  • Sequence:
  • MWFQWSEQRD YIDTTWNCGY LLASSFVFLN LLGQLTGCVL VLSRNFVQYA CFGLFGIIAL 
    QTIAYSILWD LKFLMRNLAL GGGLLLLLAE SRSEGKSMFA GVPTMRESSP KQYMQLGGRV 
    LLVLMFMTLL HFDASFFSIV QNIVGTALMI LVAIGFKTKL AALTLVVWLF AINVYFNAFW 
    TIPVYKPMHD FLKYDFFQTM SVIGGLLLVV ALGPGGVSMD EKKKEW