Details for: SSR3

Gene ID: 6747

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: SSR3

Ensembl ID: ENSG00000114850

Description: signal sequence receptor subunit 3

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • plasmablast CL0000980
    CSI 112.13
    rCSI 88.21%
    PRS 8.99
  • IgA plasma cell CL0000987
    CSI 82.5
    rCSI 84.46%
    PRS 14.29
  • granulocyte monocyte progenitor cell CL0000557
    CSI 74.63
    rCSI 64.62%
    PRS 8.38
  • extravillous trophoblast CL0008036
    CSI 69.77
    rCSI 86.31%
    PRS 6.6
  • plasma cell CL0000786
    CSI 69.42
    rCSI 90.98%
    PRS 37.41
  • fallopian tube secretory epithelial cell CL4030006
    CSI 63.93
    rCSI 61.54%
    PRS 7.79
  • IgG plasma cell CL0000985
    CSI 60.11
    rCSI 72%
    PRS 13.13
  • pancreatic acinar cell CL0002064
    CSI 57.37
    rCSI 76.25%
    PRS 8.18
  • common myeloid progenitor CL0000049
    CSI 55.73
    rCSI 45.06%
    PRS 7.42
  • plasmacytoid dendritic cell, human CL0001058
    CSI 50.19
    rCSI 35.05%
    PRS 7.93
  • intestinal epithelial cell CL0002563
    CSI 48.6
    rCSI 50.8%
    PRS 7.92
  • pancreatic D cell CL0000173
    CSI 43.39
    rCSI 42.68%
    PRS 8.17
  • promyelocyte CL0000836
    CSI 43.18
    rCSI 62.27%
    PRS 10.51
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 38.32
    rCSI 34.61%
    PRS 6.65
  • mucous neck cell CL0000651
    CSI 37.19
    rCSI 53.59%
    PRS 12.17
  • intestine goblet cell CL0019031
    CSI 37.02
    rCSI 32.86%
    PRS 7.52
  • stem cell CL0000034
    CSI 36.23
    rCSI 34.94%
    PRS 4.73
  • promonocyte CL0000559
    CSI 32.37
    rCSI 55.45%
    PRS 10.1
  • elicited macrophage CL0000861
    CSI 31.74
    rCSI 29.14%
    PRS 8.56
  • pancreatic ductal cell CL0002079
    CSI 30.3
    rCSI 58.92%
    PRS 7.67
  • placental villous trophoblast CL2000060
    CSI 28.79
    rCSI 44.49%
    PRS 7.08
  • common dendritic progenitor CL0001029
    CSI 28.24
    rCSI 35.45%
    PRS 9.59
  • type B pancreatic cell CL0000169
    CSI 27.9
    rCSI 61.78%
    PRS 6.99
  • colon epithelial cell CL0011108
    CSI 27.35
    rCSI 28.65%
    PRS 7
  • hematopoietic stem cell CL0000037
    CSI 27.3
    rCSI 18.14%
    PRS 8.98
  • colon goblet cell CL0009039
    CSI 24.14
    rCSI 57.39%
    PRS 11.34
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 23.35
    rCSI 44.14%
    PRS 16.71
  • mammary gland epithelial cell CL0002327
    CSI 22.56
    rCSI 79.15%
    PRS 13.7
  • foveolar cell of stomach CL0002179
    CSI 20.84
    rCSI 44.36%
    PRS 12.2
  • antibody secreting cell CL0000946
    CSI 20.09
    rCSI 89.33%
    PRS 33.17
  • luminal epithelial cell of mammary gland CL0002326
    CSI 18.17
    rCSI 33.01%
    PRS 11.49
  • Hofbauer cell CL3000001
    CSI 17.9
    rCSI 33.79%
    PRS 9.35
  • pancreatic A cell CL0000171
    CSI 17.81
    rCSI 18.66%
    PRS 8.01
  • acinar cell CL0000622
    CSI 17.41
    rCSI 25.53%
    PRS 9.93
  • perivascular cell CL4033054
    CSI 17.15
    rCSI 23.45%
    PRS 8.55
  • glandular epithelial cell CL0000150
    CSI 16.88
    rCSI 44.43%
    PRS 14.75
  • IgM plasma cell CL0000986
    CSI 16.36
    rCSI 73.57%
    PRS 38.46
  • microcirculation associated smooth muscle cell CL0008035
    CSI 16.25
    rCSI 47.03%
    PRS 8.54
  • plasmacytoid dendritic cell CL0000784
    CSI 16.21
    rCSI 16.42%
    PRS 44.44
  • pulmonary alveolar type 2 cell CL0002063
    CSI 15.77
    rCSI 24.46%
    PRS 11.76
  • secretory cell CL0000151
    CSI 15.42
    rCSI 16.09%
    PRS 7.73
  • bronchus fibroblast of lung CL2000093
    CSI 14.82
    rCSI 12.04%
    PRS 8.02
  • alveolar macrophage CL0000583
    CSI 14.61
    rCSI 24.07%
    PRS 8.82
  • myeloid leukocyte CL0000766
    CSI 14.31
    rCSI 13.2%
    PRS 7.66
  • M cell of gut CL0000682
    CSI 14.12
    rCSI 15%
    PRS 13.49
  • adventitial cell CL0002503
    CSI 13.96
    rCSI 33.33%
    PRS 12.06
  • transit amplifying cell of colon CL0009011
    CSI 13.93
    rCSI 16.36%
    PRS 9.01
  • paneth cell CL0000510
    CSI 13.78
    rCSI 20.34%
    PRS 11.9
  • goblet cell CL0000160
    CSI 13.62
    rCSI 12.87%
    PRS 7.87
  • early lymphoid progenitor CL0000936
    CSI 13.27
    rCSI 11.66%
    PRS 8.45
  • epithelial cell of lower respiratory tract CL0002632
    CSI 13.16
    rCSI 10.2%
    PRS 7.15
  • epithelial cell CL0000066
    CSI 12.96
    rCSI 19.92%
    PRS 10.81
  • transit amplifying cell CL0009010
    CSI 12.62
    rCSI 19.29%
    PRS 12.29
  • pancreatic stellate cell CL0002410
    CSI 12.55
    rCSI 73.02%
    PRS 11.37
  • tendon cell CL0000388
    CSI 12.18
    rCSI 31.66%
    PRS 22.44
  • enterocyte CL0000584
    CSI 11.92
    rCSI 19.22%
    PRS 12.14
  • endothelial cell of placenta CL0009092
    CSI 11.51
    rCSI 56.73%
    PRS 10.19
  • duct epithelial cell CL0000068
    CSI 11.16
    rCSI 16.33%
    PRS 7.98
  • dendritic cell, human CL0001056
    CSI 11.07
    rCSI 17.01%
    PRS 8.78
  • stromal cell of ovary CL0002132
    CSI 10.65
    rCSI 29.26%
    PRS 12.5
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 10.48
    rCSI 8.07%
    PRS 6.82
  • conventional dendritic cell CL0000990
    CSI 9.56
    rCSI 7.98%
    PRS 23.81
  • luminal cell of prostate epithelium CL0002340
    CSI 9.47
    rCSI 50.96%
    PRS 13.68
  • basophil mast progenitor cell CL0002028
    CSI 9.34
    rCSI 49.83%
    PRS 27.78
  • mucus secreting cell CL0000319
    CSI 9.26
    rCSI 14.7%
    PRS 9.76
  • kidney epithelial cell CL0002518
    CSI 9.2
    rCSI 17.56%
    PRS 18.19
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 8.82
    rCSI 23.77%
    PRS 9.75
  • naive T cell CL0000898
    CSI 8.41
    rCSI 5.85%
    PRS 10.87
  • fraction A pre-pro B cell CL0002045
    CSI 8.33
    rCSI 9.54%
    PRS 15.64
  • tracheobronchial serous cell CL0019001
    CSI 8.29
    rCSI 35.8%
    PRS 14.63
  • epithelial cell of lung CL0000082
    CSI 8.25
    rCSI 6.84%
    PRS 7.14
  • chondrocyte CL0000138
    CSI 8.08
    rCSI 12.86%
    PRS 6.63
  • dendritic cell CL0000451
    CSI 8.07
    rCSI 9.94%
    PRS 25.19
  • eosinophil CL0000771
    CSI 7.99
    rCSI 52.45%
    PRS 19.95
  • mesodermal cell CL0000222
    CSI 7.93
    rCSI 9.52%
    PRS 7.45
  • respiratory epithelial cell CL0002368
    CSI 7.84
    rCSI 48.38%
    PRS 24.91
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 7.61
    rCSI 5.79%
    PRS 9.98
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 7.52
    rCSI 10.66%
    PRS 7.13
  • bronchial goblet cell CL1000312
    CSI 7.44
    rCSI 29.74%
    PRS 16.64
  • activated type II NK T cell CL0000931
    CSI 7
    rCSI 7.88%
    PRS 12.36
  • syncytiotrophoblast cell CL0000525
    CSI 6.84
    rCSI 19.7%
    PRS 15.09
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 6.72
    rCSI 9.15%
    PRS 18.76
  • T follicular helper cell CL0002038
    CSI 6.7
    rCSI 5.01%
    PRS 12.34
  • keratinocyte CL0000312
    CSI 6.67
    rCSI 5.59%
    PRS 9.01
  • Langerhans cell CL0000453
    CSI 6.58
    rCSI 10.05%
    PRS 13.21
  • intrahepatic cholangiocyte CL0002538
    CSI 6.52
    rCSI 15.64%
    PRS 14.02
  • primitive red blood cell CL0002355
    CSI 6.51
    rCSI 35.14%
    PRS 14.49
  • neural crest cell CL0011012
    CSI 6.48
    rCSI 5.12%
    PRS 5.19
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 6.41
    rCSI 7.75%
    PRS 8.86
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 6.41
    rCSI 33.09%
    PRS 15.13
  • granulocyte CL0000094
    CSI 6.37
    rCSI 9.73%
    PRS 9.48
  • peptic cell CL0000155
    CSI 6.34
    rCSI 62.41%
    PRS 23.36
  • ciliated epithelial cell CL0000067
    CSI 6.34
    rCSI 5.58%
    PRS 5.45
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 6.33
    rCSI 4.26%
    PRS 9.08
  • respiratory goblet cell CL0002370
    CSI 6.21
    rCSI 67.58%
    PRS 14.44
  • myofibroblast cell CL0000186
    CSI 6.21
    rCSI 8.6%
    PRS 10.84
  • club cell CL0000158
    CSI 6.12
    rCSI 8.96%
    PRS 8.83
  • colon macrophage CL0009038
    CSI 6.1
    rCSI 28.17%
    PRS 16.2
  • enteric smooth muscle cell CL0002504
    CSI 6.02
    rCSI 8.59%
    PRS 8.51
  • transit amplifying cell of small intestine CL0009012
    CSI 5.89
    rCSI 25.85%
    PRS 14.17
  • vascular associated smooth muscle cell CL0000359
    CSI -8.6
    rCSI -27.8%
    PRS 9.2%
  • squamous epithelial cell CL0000076
    CSI -8.4
    rCSI -20.0%
    PRS 9.9%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI -7.2
    rCSI -22.4%
    PRS 5.1%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI -5.6
    rCSI -9.5%
    PRS 16.1%
  • interneuron CL0000099
    CSI -4.6
    rCSI -9.3%
    PRS 5.6%
  • lung pericyte CL0009089
    CSI -3.9
    rCSI -10.4%
    PRS 9.0%
  • sncg GABAergic cortical interneuron CL4023015
    CSI -3.6
    rCSI -5.8%
    PRS 4.9%
  • regular ventricular cardiac myocyte CL0002131
    CSI -3.6
    rCSI -22.4%
    PRS 6.1%
  • brush cell CL0002204
    CSI -3.3
    rCSI -6.6%
    PRS 21.1%
  • astrocyte of the cerebral cortex CL0002605
    CSI -2.8
    rCSI -6.4%
    PRS 4.7%
  • skeletal muscle satellite cell CL0000594
    CSI -1.5
    rCSI -4.4%
    PRS 28.3%
  • vascular leptomeningeal cell CL4023051
    CSI -1.3
    rCSI -2.3%
    PRS 5.7%
  • tracheobronchial smooth muscle cell CL0019019
    CSI -1.2
    rCSI -2.1%
    PRS 10.0%
  • enteroendocrine cell of colon CL0009042
    CSI -1.2
    rCSI -5.4%
    PRS 20.7%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI -0.9
    rCSI -1.0%
    PRS 13.2%
  • basal cell of epidermis CL0002187
    CSI -0.5
    rCSI -0.9%
    PRS 9.1%
  • transitional stage B cell CL0000818
    CSI -0.2
    rCSI -0.7%
    PRS 22.6%
  • odontoblast CL0000060
    CSI 0.1
    rCSI 1.6%
    PRS 39.3%
  • cytotoxic T cell CL0000910
    CSI 0.1
    rCSI 0.7%
    PRS 11.4%
  • group 2 innate lymphoid cell CL0001069
    CSI 0.1
    rCSI 0.7%
    PRS 26.4%
  • mature B cell CL0000785
    CSI 0.2
    rCSI 0.1%
    PRS 9.3%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 0.2
    rCSI 0.4%
    PRS 4.3%
  • CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human CL0001074
    CSI 0.2
    rCSI 1.9%
    PRS 30.8%
  • retina horizontal cell CL0000745
    CSI 0.2
    rCSI 0.3%
    PRS 7.1%
  • paneth cell of colon CL0009009
    CSI 0.2
    rCSI 1.9%
    PRS 22.5%
  • follicular dendritic cell CL0000442
    CSI 0.2
    rCSI 3.1%
    PRS 44.4%
  • cord blood hematopoietic stem cell CL2000095
    CSI 0.2
    rCSI 3.8%
    PRS 54.2%
  • Cajal-Retzius cell CL0000695
    CSI 0.2
    rCSI 1.6%
    PRS 17.2%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 0.2
    rCSI 0.6%
    PRS 5.8%
  • retinal cone cell CL0000573
    CSI 0.2
    rCSI 0.4%
    PRS 5.8%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.2
    rCSI 0.7%
    PRS 4.7%
  • sst GABAergic cortical interneuron CL4023017
    CSI 0.2
    rCSI 0.3%
    PRS 4.7%
  • mesenchymal lymphangioblast CL0005021
    CSI 0.2
    rCSI 6.2%
    PRS 39.2%
  • OFF-bipolar cell CL0000750
    CSI 0.2
    rCSI 0.3%
    PRS 12.8%
  • blood vessel smooth muscle cell CL0019018
    CSI 0.2
    rCSI 2.0%
    PRS 8.0%
  • endocardial cell CL0002350
    CSI 0.3
    rCSI 1.3%
    PRS 10.9%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 0.3
    rCSI 0.5%
    PRS 4.4%
  • B-1 B cell CL0000819
    CSI 0.3
    rCSI 7.9%
    PRS 40.5%
  • myelocyte CL0002193
    CSI 0.3
    rCSI 2.1%
    PRS 25.6%
  • mature alpha-beta T cell CL0000791
    CSI 0.3
    rCSI 1.2%
    PRS 13.0%
  • basophil CL0000767
    CSI 0.3
    rCSI 0.7%
    PRS 16.2%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 0.4
    rCSI 0.7%
    PRS 12.8%
  • corneal epithelial cell CL0000575
    CSI 0.4
    rCSI 1.0%
    PRS 14.1%
  • basal cell of epithelium of trachea CL1000348
    CSI 0.4
    rCSI 2.9%
    PRS 24.0%
  • epithelial cell of urethra CL1000296
    CSI 0.5
    rCSI 11.7%
    PRS 26.1%
  • tracheal goblet cell CL1000329
    CSI 0.5
    rCSI 1.1%
    PRS 15.3%
  • helper T cell CL0000912
    CSI 0.5
    rCSI 0.8%
    PRS 10.9%
  • hair follicular keratinocyte CL2000092
    CSI 0.6
    rCSI 9.5%
    PRS 31.5%
  • late pro-B cell CL0002048
    CSI 0.6
    rCSI 1.4%
    PRS 24.3%
  • vasa recta descending limb cell CL1001285
    CSI 0.6
    rCSI 4.5%
    PRS 33.0%
  • retinal blood vessel endothelial cell CL0002585
    CSI 0.6
    rCSI 0.9%
    PRS 8.2%
  • neuroendocrine cell CL0000165
    CSI 0.6
    rCSI 2.3%
    PRS 16.1%
  • type EC enteroendocrine cell CL0000577
    CSI 0.6
    rCSI 2.1%
    PRS 12.4%
  • retinal pigment epithelial cell CL0002586
    CSI 0.6
    rCSI 1.2%
    PRS 8.2%
  • periportal region hepatocyte CL0019026
    CSI 0.7
    rCSI 2.6%
    PRS 11.7%
  • epicardial adipocyte CL1000309
    CSI 0.7
    rCSI 2.2%
    PRS 10.4%
  • retinal ganglion cell CL0000740
    CSI 0.7
    rCSI 1.5%
    PRS 5.4%
  • renal interstitial pericyte CL1001318
    CSI 0.7
    rCSI 1.9%
    PRS 7.7%
  • epithelial cell of esophagus CL0002252
    CSI 0.7
    rCSI 7.0%
    PRS 29.4%
  • osteoblast CL0000062
    CSI 0.7
    rCSI 18.3%
    PRS 57.9%
  • mesenchymal stem cell of adipose tissue CL0002570
    CSI 0.8
    rCSI 4.2%
    PRS 25.8%
  • alveolar type 1 fibroblast cell CL4028004
    CSI 0.8
    rCSI 0.8%
    PRS 8.7%
  • pancreatic epsilon cell CL0005019
    CSI 0.8
    rCSI 3.6%
    PRS 18.5%
  • respiratory suprabasal cell CL4033048
    CSI 0.8
    rCSI 1.0%
    PRS 8.7%
  • class switched memory B cell CL0000972
    CSI 0.8
    rCSI 0.6%
    PRS 12.7%
  • retinal bipolar neuron CL0000748
    CSI 0.8
    rCSI 1.5%
    PRS 5.6%
  • thymocyte CL0000893
    CSI 0.8
    rCSI 2.9%
    PRS 24.3%
  • lung ciliated cell CL1000271
    CSI 0.9
    rCSI 1.0%
    PRS 5.5%
  • type L enteroendocrine cell CL0002279
    CSI 0.9
    rCSI 1.6%
    PRS 14.9%
  • T-helper 17 cell CL0000899
    CSI 0.9
    rCSI 0.7%
    PRS 13.3%
  • myoepithelial cell CL0000185
    CSI 0.9
    rCSI 2.3%
    PRS 9.4%
  • tissue-resident macrophage CL0000864
    CSI 0.9
    rCSI 4.3%
    PRS 18.7%
  • prostate gland microvascular endothelial cell CL2000059
    CSI 0.9
    rCSI 22.4%
    PRS 27.7%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 1.0
    rCSI 0.6%
    PRS 10.5%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.0
    rCSI 2.5%
    PRS 7.0%
  • small intestine goblet cell CL1000495
    CSI 1.0
    rCSI 2.1%
    PRS 10.2%
  • immature B cell CL0000816
    CSI 1.0
    rCSI 0.7%
    PRS 11.3%
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 1.0
    rCSI 2.2%
    PRS 7.9%
  • stratified epithelial cell CL0000079
    CSI 1.0
    rCSI 6.0%
    PRS 35.1%
  • metallothionein-positive alveolar macrophage CL4033042
    CSI 1.0
    rCSI 10.9%
    PRS 33.5%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.0
    rCSI 2.9%
    PRS 10.9%
  • colonocyte CL1000347
    CSI 1.1
    rCSI 1.5%
    PRS 10.4%
  • uterine smooth muscle cell CL0002601
    CSI 1.1
    rCSI 7.2%
    PRS 49.6%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.1
    rCSI 2.0%
    PRS 6.6%
  • brush cell of tracheobronchial tree CL0002075
    CSI 1.2
    rCSI 3.4%
    PRS 12.1%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 1.2
    rCSI 1.2%
    PRS 12.0%
  • CD8-alpha-alpha-positive, alpha-beta intraepithelial T cell CL0000915
    CSI 1.2
    rCSI 5.6%
    PRS 28.0%
  • endothelial cell of uterus CL0009095
    CSI 1.2
    rCSI 9.0%
    PRS 21.1%
  • memory T cell CL0000813
    CSI 1.2
    rCSI 2.4%
    PRS 17.2%
  • enterocyte of epithelium of small intestine CL1000334
    CSI 1.3
    rCSI 19.3%
    PRS 19.1%
  • BEST4+ enteroycte CL4030026
    CSI 1.3
    rCSI 1.6%
    PRS 8.0%
  • mesenchymal cell CL0008019
    CSI 1.3
    rCSI 3.2%
    PRS 7.7%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.3
    rCSI 1.7%
    PRS 10.6%
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 1.3
    rCSI 3.2%
    PRS 11.9%
  • choroid plexus epithelial cell CL0000706
    CSI 1.3
    rCSI 2.2%
    PRS 5.9%
  • inflammatory macrophage CL0000863
    CSI 1.4
    rCSI 2.3%
    PRS 15.5%
  • peripheral nervous system neuron CL2000032
    CSI 1.4
    rCSI 1.9%
    PRS 6.8%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.4
    rCSI 3.4%
    PRS 7.7%
  • ventricular cardiac muscle cell CL2000046
    CSI 1.4
    rCSI 4.9%
    PRS 32.0%
  • pulmonary ionocyte CL0017000
    CSI 1.5
    rCSI 1.8%
    PRS 9.5%

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 Signal Sequence Receptor Subunit 3, encoded by the [SSR3](/details-gene/6747) gene, is a core component of the translocon-associated protein (TRAP) complex. This complex is integral to the process of co-translational protein translocation across the endoplasmic reticulum membrane. Consistent with this fundamental role in protein synthesis and secretion, [SSR3](/details-gene/6747) expression is most significant in highly secretory cell types. **Overall**, it is a defining marker for professional antibody-producing cells such as the [plasmablast](/details-cell/CL0000980) and various [plasma cell](/details-cell/CL0000786) subtypes, as well as in diverse progenitor cells undergoing active differentiation. ## Cellular Roles and Expression Landscape The expression profile of [SSR3](/details-gene/6747) highlights its essential function in cells with a high capacity for protein synthesis and export. **Overall**, its highest significance is observed in cells of the B lymphocyte lineage responsible for antibody production, including [plasmablast](/details-cell/CL0000980) (CSI: 112.13), [IgA plasma cell](/details-cell/CL0000987) (CSI: 82.50), and [IgG plasma cell](/details-cell/CL0000985) (CSI: 60.11). This suggests its role is critical for managing the massive synthesis of immunoglobulins. Beyond the immune system, its prominence extends to other professional secretory cells like [extravillous trophoblast](/details-cell/CL0008036), [fallopian tube secretory epithelial cell](/details-cell/CL4030006), and [pancreatic acinar cell](/details-cell/CL0002064). Furthermore, [SSR3](/details-gene/6747) shows significant expression in several hematopoietic progenitor populations, including [granulocyte monocyte progenitor cell](/details-cell/CL0000557) and [common myeloid progenitor](/details-cell/CL0000049), which is consistent with the extensive protein synthesis required for cell differentiation and lineage commitment. Conversely, the gene's expression is notably low or absent in cell types with limited secretory functions. These anti-markers include structural cells like [vascular associated smooth muscle cell](/details-cell/CL0000359), terminally differentiated neurons such as the [chandelier pvalb GABAergic cortical interneuron](/details-cell/CL4023036), and certain cytotoxic lymphocyte populations like the [activated CD8-positive, alpha-beta T cell, human](/details-cell/CL0001049). This restricted expression pattern underscores its specialized role in the cellular protein secretion machinery. ## Pathways and Molecular Function Functionally, [SSR3](/details-gene/6747) is annotated as a key player in protein metabolism and transport. It is an integral membrane protein of the [Endoplasmic reticulum](/details-go/GO:0005783) where it participates in [Srp-dependent cotranslational protein targeting to membrane](/details-go/GO:0006614). As part of the TRAP complex, it facilitates the translocation of newly synthesized polypeptides into the ER lumen, a foundational step for proteins destined for secretion or integration into cellular membranes. This function is explicitly captured by its association with Reactome pathways such as [Srp-dependent cotranslational protein targeting to membrane](/details-pathway/R-HSA-1799339) and the broader [Metabolism of proteins](/details-pathway/R-HSA-392499) pathway. This molecular role aligns perfectly with its high expression in cells like the [plasma cell](/details-cell/CL0000786), which must efficiently process and secrete large quantities of antibodies to mediate humoral immunity. Several large-scale proteomic and transcriptomic studies have confirmed its characterization and expression [[Link](https://doi.org/10.1038/ng1285), [Link](https://doi.org/10.1038/nature04728)]. ## Research Directions The specific and high-level expression of [SSR3](/details-gene/6747) in professional secretory cells, particularly plasma cells, suggests it is a critical bottleneck and regulatory point for cellular function. **Proposed Hypotheses:** 1. **Essentiality for Humoral Immunity:** The exceptionally high significance of [SSR3](/details-gene/6747) in [plasmablast](/details-cell/CL0000980)s and [plasma cell](/details-cell/CL0000786)s suggests that its upregulation is a non-redundant and essential step during B cell differentiation to accommodate the massive demand for immunoglobulin synthesis. Consequently, genetic ablation or inhibition of [SSR3](/details-gene/6747) in B-cells would severely impair antibody production and lead to unresolved ER stress. 2. **Role in Hematopoietic Lineage Commitment:** The notable expression of [SSR3](/details-gene/6747) in various myeloid and erythroid progenitors, such as the [granulocyte monocyte progenitor cell](/details-cell/CL0000557), suggests that the efficiency of the protein translocation machinery may influence cell fate decisions. Cells unable to sufficiently scale up protein synthesis via the TRAP complex may be biased away from secretory lineages or undergo apoptosis. **Experimental Approach:** To test the first hypothesis regarding the role of [SSR3](/details-gene/6747) in humoral immunity, a B-cell specific conditional knockout mouse model could be generated (e.g., *Ssr3*^fl/fl;*Cd19*-Cre). Following immunization with a T-cell dependent antigen, antigen-specific antibody titers in the serum of knockout and control mice would be measured by ELISA. It is hypothesized that the knockout animals would exhibit significantly reduced or absent antibody responses. Furthermore, B-cells isolated from these mice could be differentiated *in vitro* into plasma cells, followed by analysis of immunoglobulin secretion, protein ubiquitination, and the activation of ER stress pathways (e.g., via western blot for BiP, XBP1s, and CHOP). **Therapeutic Potential:** Given its fundamental role in protein translocation across many cell types, systemic targeting of [SSR3](/details-gene/6747) is likely to cause significant toxicity. However, its high expression in plasma cells makes it a potential therapeutic target for plasma cell dyscrasias like multiple myeloma, which are pathologically dependent on high-level protein secretion. Inhibition of the TRAP complex could overwhelm the ER's capacity to handle the immunoglobulin load, inducing terminal ER stress and apoptosis selectively in malignant plasma cells. Therefore, a therapeutic strategy would focus on inhibition, possibly in combination with other agents like proteasome inhibitors that also disrupt protein homeostasis.

Genular Protein ID: 3431163339

Symbol: SSRG_HUMAN

Name: Translocon-associated protein subunit gamma

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 16641997

Title: The DNA sequence, annotation and analysis of human chromosome 3.

PubMed ID: 16641997

DOI: 10.1038/nature04728

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: 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: 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: 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: 25732826

Title: An organellar nalpha-acetyltransferase, naa60, acetylates cytosolic N termini of transmembrane proteins and maintains Golgi integrity.

PubMed ID: 25732826

DOI: 10.1016/j.celrep.2015.01.053

PubMed ID: 25944712

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

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

Sequence Information:

  • Length: 185
  • Mass: 21080
  • Checksum: DEE0B14BF524F62A
  • Sequence:
  • MAPKGSSKQQ SEEDLLLQDF SRNLSAKSSA LFFGNAFIVS AIPIWLYWRI WHMDLIQSAV 
    LYSVMTLVST YLVAFAYKNV KFVLKHKVAQ KREDAVSKEV TRKLSEADNR KMSRKEKDER 
    ILWKKNEVAD YEATTFSIFY NNTLFLVVVI VASFFILKNF NPTVNYILSI SASSGLIALL 
    STGSK

Genular Protein ID: 3084284176

Symbol: C9J365_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: 15496913

Title: Finishing the euchromatic sequence of the human genome.

PubMed ID: 15496913

DOI: 10.1038/nature03001

PubMed ID: 16641997

Title: The DNA sequence, annotation and analysis of human chromosome 3.

PubMed ID: 16641997

DOI: 10.1038/nature04728

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: 133
  • Mass: 15113
  • Checksum: B053A7EEF645D1A4
  • Sequence:
  • MDLIQSAVLY SVMTLVSTYL VAFAYKNVKF VLKHKVAQKR EDAVSKEVTR KLSEADNRKM 
    SRKEKDERIL WKKNEVADYE ATTFSIFYNN TLFLVVVIVA SFFILKNFNP TVNYILSISA 
    SSGLIALLST GSK