Details for: AP3B1

Gene ID: 8546

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: AP3B1

Ensembl ID: ENSG00000132842

Description: adaptor related protein complex 3 subunit beta 1

Cell Significance Landscape

Associated with

Significant Cells

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

  • lung secretory cell CL1000272
    CSI 23.87
    rCSI 59.08%
    PRS 32.71
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 20.96
    rCSI 35.86%
    PRS 55.47
  • Hofbauer cell CL3000001
    CSI 17.12
    rCSI 32.33%
    PRS 43.19
  • perivascular cell CL4033054
    CSI 17.12
    rCSI 23.4%
    PRS 38.46
  • glioblast CL0000030
    CSI 15.21
    rCSI 24.26%
    PRS 29.56
  • blood vessel endothelial cell CL0000071
    CSI 12.72
    rCSI 26.4%
    PRS 33.44
  • renal alpha-intercalated cell CL0005011
    CSI 12.68
    rCSI 16.96%
    PRS 41.96
  • Kupffer cell CL0000091
    CSI 10.09
    rCSI 23.07%
    PRS 33.96
  • kidney connecting tubule epithelial cell CL1000768
    CSI 9.8
    rCSI 24.85%
    PRS 26.97
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 9.7
    rCSI 25.07%
    PRS 31.64
  • double negative thymocyte CL0002489
    CSI 9.27
    rCSI 6.45%
    PRS 41.4
  • renal beta-intercalated cell CL0002201
    CSI 9.07
    rCSI 21.62%
    PRS 37.51
  • sst GABAergic cortical interneuron CL4023017
    CSI 8.87
    rCSI 11.43%
    PRS 22.71
  • chondrocyte CL0000138
    CSI 8.69
    rCSI 13.81%
    PRS 29.18
  • pro-B cell CL0000826
    CSI 8.22
    rCSI 6.81%
    PRS 35.11
  • early lymphoid progenitor CL0000936
    CSI 8.11
    rCSI 7.12%
    PRS 39.04
  • multi-ciliated epithelial cell CL0005012
    CSI 7.56
    rCSI 7.55%
    PRS 29.63
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 7.25
    rCSI 26.11%
    PRS 20.93
  • fallopian tube secretory epithelial cell CL4030006
    CSI 6.63
    rCSI 6.38%
    PRS 35.24
  • paneth cell CL0000510
    CSI 6.56
    rCSI 9.68%
    PRS 50.66
  • mononuclear phagocyte CL0000113
    CSI 6.56
    rCSI 14.43%
    PRS 38.27
  • retinal ganglion cell CL0000740
    CSI 6.53
    rCSI 14.43%
    PRS 25.24
  • blood vessel smooth muscle cell CL0019018
    CSI 6.37
    rCSI 51.84%
    PRS 31.07
  • intestine goblet cell CL0019031
    CSI 6.36
    rCSI 5.64%
    PRS 34.03
  • helper T cell CL0000912
    CSI 5.99
    rCSI 8.47%
    PRS 44.19
  • small intestine goblet cell CL1000495
    CSI 5.71
    rCSI 12.5%
    PRS 44
  • group 3 innate lymphoid cell CL0001071
    CSI 5.69
    rCSI 4.28%
    PRS 37.09
  • intermediate monocyte CL0002393
    CSI 5.66
    rCSI 8.54%
    PRS 35.69
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 5.65
    rCSI 4.06%
    PRS 45.85
  • adipocyte CL0000136
    CSI 5.46
    rCSI 7.01%
    PRS 32.24
  • lung pericyte CL0009089
    CSI 5.04
    rCSI 13.31%
    PRS 40.68
  • radial glial cell CL0000681
    CSI 4.7
    rCSI 6.53%
    PRS 34.54
  • extravillous trophoblast CL0008036
    CSI 4.57
    rCSI 5.65%
    PRS 30.84
  • alveolar macrophage CL0000583
    CSI 4.55
    rCSI 7.49%
    PRS 39.36
  • enteric smooth muscle cell CL0002504
    CSI 4.52
    rCSI 6.45%
    PRS 36.98
  • transit amplifying cell of colon CL0009011
    CSI 4.4
    rCSI 5.16%
    PRS 38.06
  • ciliated cell CL0000064
    CSI 4.37
    rCSI 7.08%
    PRS 33.73
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 4.29
    rCSI 10.43%
    PRS 21.33
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 4.26
    rCSI 25.1%
    PRS 23.08
  • naive B cell CL0000788
    CSI 4.2
    rCSI 3.61%
    PRS 44.99
  • inhibitory interneuron CL0000498
    CSI 4.01
    rCSI 9.26%
    PRS 28.52
  • retinal rod cell CL0000604
    CSI 3.96
    rCSI 6.97%
    PRS 33.56
  • brush cell of tracheobronchial tree CL0002075
    CSI 3.8
    rCSI 11.28%
    PRS 45.04
  • myeloid leukocyte CL0000766
    CSI 3.66
    rCSI 3.37%
    PRS 35.58
  • neuroendocrine cell CL0000165
    CSI 3.63
    rCSI 14.04%
    PRS 54.67
  • goblet cell CL0000160
    CSI 3.52
    rCSI 3.32%
    PRS 35.58
  • retinal pigment epithelial cell CL0002586
    CSI 3.51
    rCSI 6.96%
    PRS 34.56
  • lung macrophage CL1001603
    CSI 3.48
    rCSI 7.77%
    PRS 40.03
  • Mueller cell CL0000636
    CSI 3.4
    rCSI 7.77%
    PRS 29.67
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 3.38
    rCSI 13.15%
    PRS 53.53
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 3.34
    rCSI 4.28%
    PRS 32.93
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 3.33
    rCSI 4.14%
    PRS 20.68
  • enteroendocrine cell CL0000164
    CSI 3.28
    rCSI 4.48%
    PRS 37.15
  • interstitial cell of Cajal CL0002088
    CSI 3.28
    rCSI 4.18%
    PRS 39.05
  • small pre-B-II cell CL0000954
    CSI 3.24
    rCSI 3.11%
    PRS 58.83
  • endothelial cell of vascular tree CL0002139
    CSI 3.22
    rCSI 17.62%
    PRS 41.31
  • mucosal invariant T cell CL0000940
    CSI 3.13
    rCSI 2.53%
    PRS 46.09
  • placental villous trophoblast CL2000060
    CSI 3.12
    rCSI 4.82%
    PRS 32.66
  • parietal epithelial cell CL1000452
    CSI 2.99
    rCSI 7.98%
    PRS 29.24
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 2.93
    rCSI 2.23%
    PRS 44.17
  • vascular leptomeningeal cell CL4023051
    CSI 2.92
    rCSI 5.12%
    PRS 27.94
  • direct pathway medium spiny neuron CL4023026
    CSI 2.91
    rCSI 69.71%
    PRS 21.42
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.9
    rCSI 69.96%
    PRS 22.23
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 2.84
    rCSI 4.03%
    PRS 32.15
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.82
    rCSI 2.77%
    PRS 48.86
  • mesodermal cell CL0000222
    CSI 2.71
    rCSI 3.26%
    PRS 33.05
  • unswitched memory B cell CL0000970
    CSI 2.6
    rCSI 2.19%
    PRS 50.63
  • ON midget ganglion cell CL4033046
    CSI 2.59
    rCSI 52.77%
    PRS 29.27
  • plasmacytoid dendritic cell, human CL0001058
    CSI 2.59
    rCSI 1.81%
    PRS 36.16
  • hepatic stellate cell CL0000632
    CSI 2.57
    rCSI 9.63%
    PRS 29.32
  • regular ventricular cardiac myocyte CL0002131
    CSI 2.55
    rCSI 15.9%
    PRS 28.45
  • ependymal cell CL0000065
    CSI 2.54
    rCSI 5.15%
    PRS 20.58
  • rod bipolar cell CL0000751
    CSI 2.53
    rCSI 4.55%
    PRS 29.16
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 2.51
    rCSI 2.9%
    PRS 30.16
  • retinal bipolar neuron CL0000748
    CSI 2.5
    rCSI 4.68%
    PRS 26.23
  • ciliated epithelial cell CL0000067
    CSI 2.5
    rCSI 2.2%
    PRS 25.63
  • granulocyte monocyte progenitor cell CL0000557
    CSI 2.44
    rCSI 2.12%
    PRS 37.99
  • monocyte CL0000576
    CSI 2.43
    rCSI 4.39%
    PRS 60.63
  • neural crest cell CL0011012
    CSI 2.42
    rCSI 1.92%
    PRS 24.39
  • hematopoietic stem cell CL0000037
    CSI 2.39
    rCSI 1.59%
    PRS 38.79
  • cerebellar granule cell CL0001031
    CSI 2.39
    rCSI 3.51%
    PRS 31.97
  • renal principal cell CL0005009
    CSI 2.37
    rCSI 6.16%
    PRS 40.5
  • retinal blood vessel endothelial cell CL0002585
    CSI 2.37
    rCSI 3.78%
    PRS 37.38
  • alpha-beta T cell CL0000789
    CSI 2.33
    rCSI 2.73%
    PRS 47.63
  • naive T cell CL0000898
    CSI 2.31
    rCSI 1.61%
    PRS 46.16
  • glutamatergic neuron CL0000679
    CSI 2.31
    rCSI 4.75%
    PRS 31.67
  • respiratory suprabasal cell CL4033048
    CSI 2.3
    rCSI 2.95%
    PRS 38.8
  • Langerhans cell CL0000453
    CSI 2.3
    rCSI 3.51%
    PRS 52.03
  • epithelial cell of proximal tubule CL0002306
    CSI 2.29
    rCSI 5.6%
    PRS 32.1
  • skeletal muscle satellite cell CL0000594
    CSI 2.28
    rCSI 6.68%
    PRS 68.41
  • myeloid dendritic cell CL0000782
    CSI 2.27
    rCSI 3.29%
    PRS 49.51
  • mature T cell CL0002419
    CSI 2.22
    rCSI 1.73%
    PRS 49.3
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 2.22
    rCSI 23.53%
    PRS 38.12
  • amacrine cell CL0000561
    CSI 2.21
    rCSI 6.41%
    PRS 27.76
  • hematopoietic precursor cell CL0008001
    CSI 2.21
    rCSI 2.27%
    PRS 51.03
  • stromal cell CL0000499
    CSI 2.21
    rCSI 6.22%
    PRS 37.51
  • stem cell CL0000034
    CSI 2.2
    rCSI 2.12%
    PRS 26.59
  • S cone cell CL0003050
    CSI 2.19
    rCSI 9.61%
    PRS 32.47
  • astrocyte of the cerebral cortex CL0002605
    CSI 2.18
    rCSI 4.9%
    PRS 22.5
  • IgA plasma cell CL0000987
    CSI 2.17
    rCSI 2.22%
    PRS 53.23
  • medium spiny neuron CL1001474
    CSI 0.1
    rCSI 1.0%
    PRS 23.5%
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.0%
    PRS 46.7%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.2
    rCSI 1.0%
    PRS 58.0%
  • erythroid progenitor cell CL0000038
    CSI 0.2
    rCSI 1.3%
    PRS 45.6%
  • mesangial cell CL0000650
    CSI 0.2
    rCSI 1.0%
    PRS 46.1%
  • ON parasol ganglion cell CL4033052
    CSI 0.3
    rCSI 4.3%
    PRS 28.9%
  • metallothionein-positive alveolar macrophage CL4033042
    CSI 0.3
    rCSI 3.6%
    PRS 70.9%
  • pancreatic stellate cell CL0002410
    CSI 0.4
    rCSI 2.2%
    PRS 45.9%
  • colon macrophage CL0009038
    CSI 0.4
    rCSI 1.7%
    PRS 57.8%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.4
    rCSI 1.0%
    PRS 26.1%
  • cardiac blood vessel endothelial cell CL0010006
    CSI 0.5
    rCSI 3.5%
    PRS 31.4%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.5
    rCSI 3.7%
    PRS 54.9%
  • diffuse bipolar 1 cell CL4033027
    CSI 0.5
    rCSI 3.7%
    PRS 32.9%
  • tracheal goblet cell CL1000329
    CSI 0.5
    rCSI 1.1%
    PRS 55.1%
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 0.5
    rCSI 1.2%
    PRS 33.9%
  • pancreatic PP cell CL0002275
    CSI 0.5
    rCSI 2.1%
    PRS 50.3%
  • invaginating midget bipolar cell CL4033034
    CSI 0.6
    rCSI 3.3%
    PRS 33.9%
  • mesenchymal cell CL0008019
    CSI 0.6
    rCSI 1.5%
    PRS 32.3%
  • IgG plasma cell CL0000985
    CSI 0.6
    rCSI 0.7%
    PRS 53.1%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.6
    rCSI 1.8%
    PRS 24.8%
  • follicular B cell CL0000843
    CSI 0.6
    rCSI 2.1%
    PRS 72.1%
  • retina horizontal cell CL0000745
    CSI 0.6
    rCSI 0.9%
    PRS 32.0%
  • regular atrial cardiac myocyte CL0002129
    CSI 0.6
    rCSI 1.9%
    PRS 34.8%
  • squamous epithelial cell CL0000076
    CSI 0.6
    rCSI 1.4%
    PRS 40.1%
  • podocyte CL0000653
    CSI 0.6
    rCSI 2.7%
    PRS 33.2%
  • large pre-B-II cell CL0000957
    CSI 0.6
    rCSI 1.7%
    PRS 49.8%
  • diffuse bipolar 3b cell CL4033030
    CSI 0.6
    rCSI 4.1%
    PRS 34.5%
  • enteroglial cell CL4040002
    CSI 0.6
    rCSI 3.3%
    PRS 45.2%
  • pancreatic ductal cell CL0002079
    CSI 0.6
    rCSI 1.2%
    PRS 35.8%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 0.7
    rCSI 1.2%
    PRS 49.7%
  • foveolar cell of stomach CL0002179
    CSI 0.7
    rCSI 1.5%
    PRS 49.4%
  • GABAergic amacrine cell CL4030027
    CSI 0.7
    rCSI 2.4%
    PRS 29.0%
  • transit amplifying cell of small intestine CL0009012
    CSI 0.7
    rCSI 3.2%
    PRS 54.6%
  • lung ciliated cell CL1000271
    CSI 0.7
    rCSI 0.8%
    PRS 26.2%
  • alveolar adventitial fibroblast CL4028006
    CSI 0.8
    rCSI 1.2%
    PRS 35.1%
  • GABAergic neuron CL0000617
    CSI 0.8
    rCSI 2.6%
    PRS 25.8%
  • kidney loop of Henle thick ascending limb epithelial cell CL1001106
    CSI 0.8
    rCSI 6.7%
    PRS 39.3%
  • type B pancreatic cell CL0000169
    CSI 0.8
    rCSI 1.7%
    PRS 31.9%
  • retinal cone cell CL0000573
    CSI 0.8
    rCSI 1.3%
    PRS 27.0%
  • kidney collecting duct intercalated cell CL1001432
    CSI 0.8
    rCSI 5.9%
    PRS 44.0%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 0.9
    rCSI 2.5%
    PRS 37.3%
  • mucus secreting cell CL0000319
    CSI 0.9
    rCSI 1.4%
    PRS 43.5%
  • respiratory basal cell CL0002633
    CSI 0.9
    rCSI 0.9%
    PRS 39.8%
  • tracheobronchial smooth muscle cell CL0019019
    CSI 0.9
    rCSI 1.6%
    PRS 42.7%
  • basophil CL0000767
    CSI 0.9
    rCSI 1.9%
    PRS 56.5%
  • cardiac endothelial cell CL0010008
    CSI 0.9
    rCSI 3.7%
    PRS 33.3%
  • colon goblet cell CL0009039
    CSI 0.9
    rCSI 2.2%
    PRS 46.9%
  • glandular epithelial cell CL0000150
    CSI 0.9
    rCSI 2.5%
    PRS 57.6%
  • macroglial cell CL0000126
    CSI 1.0
    rCSI 2.5%
    PRS 39.0%
  • BEST4+ enteroycte CL4030026
    CSI 1.0
    rCSI 1.2%
    PRS 36.8%
  • granulocyte CL0000094
    CSI 1.0
    rCSI 1.5%
    PRS 42.7%
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 1.0
    rCSI 5.9%
    PRS 60.9%
  • tissue-resident macrophage CL0000864
    CSI 1.0
    rCSI 4.6%
    PRS 55.2%
  • dendritic cell, human CL0001056
    CSI 1.0
    rCSI 1.5%
    PRS 40.5%
  • keratocyte CL0002363
    CSI 1.0
    rCSI 2.4%
    PRS 45.3%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 1.0
    rCSI 1.7%
    PRS 21.9%
  • innate lymphoid cell CL0001065
    CSI 1.0
    rCSI 2.1%
    PRS 43.2%
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI 1.0
    rCSI 2.7%
    PRS 67.1%
  • tuft cell of colon CL0009041
    CSI 1.1
    rCSI 2.4%
    PRS 54.7%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 1.1
    rCSI 4.0%
    PRS 22.8%
  • neural progenitor cell CL0011020
    CSI 1.1
    rCSI 4.7%
    PRS 29.8%
  • mature B cell CL0000785
    CSI 1.1
    rCSI 1.0%
    PRS 42.5%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.1
    rCSI 2.9%
    PRS 43.1%
  • pulmonary alveolar type 2 cell CL0002063
    CSI 1.1
    rCSI 1.7%
    PRS 45.0%
  • common lymphoid progenitor CL0000051
    CSI 1.1
    rCSI 1.5%
    PRS 56.7%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.1
    rCSI 1.0%
    PRS 31.7%
  • elicited macrophage CL0000861
    CSI 1.1
    rCSI 1.0%
    PRS 40.6%
  • diffuse bipolar 6 cell CL4033032
    CSI 1.1
    rCSI 5.9%
    PRS 35.0%
  • common myeloid progenitor CL0000049
    CSI 1.1
    rCSI 0.9%
    PRS 34.8%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 1.1
    rCSI 3.2%
    PRS 49.2%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 1.1
    rCSI 0.7%
    PRS 47.3%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.2
    rCSI 2.5%
    PRS 48.6%
  • intestinal tuft cell CL0019032
    CSI 1.2
    rCSI 1.8%
    PRS 38.7%
  • Schwann cell CL0002573
    CSI 1.2
    rCSI 3.4%
    PRS 35.7%
  • tendon cell CL0000388
    CSI 1.2
    rCSI 3.1%
    PRS 61.4%
  • alternatively activated macrophage CL0000890
    CSI 1.2
    rCSI 1.5%
    PRS 47.7%
  • lung neuroendocrine cell CL1000223
    CSI 1.2
    rCSI 1.8%
    PRS 38.7%
  • choroid plexus epithelial cell CL0000706
    CSI 1.2
    rCSI 2.0%
    PRS 27.1%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.2
    rCSI 2.2%
    PRS 29.9%
  • central nervous system neuron CL2000029
    CSI 1.2
    rCSI 9.0%
    PRS 24.5%
  • cardiac muscle cell CL0000746
    CSI 1.2
    rCSI 1.8%
    PRS 27.5%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.2
    rCSI 2.0%
    PRS 23.8%
  • intrahepatic cholangiocyte CL0002538
    CSI 1.3
    rCSI 3.1%
    PRS 52.0%
  • pulmonary artery endothelial cell CL1001568
    CSI 1.3
    rCSI 1.7%
    PRS 46.9%
  • common dendritic progenitor CL0001029
    CSI 1.3
    rCSI 1.6%
    PRS 43.2%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 1.3
    rCSI 1.2%
    PRS 48.8%
  • adventitial cell CL0002503
    CSI 1.3
    rCSI 3.2%
    PRS 46.0%
  • epithelial cell of lower respiratory tract CL0002632
    CSI 1.4
    rCSI 1.1%
    PRS 34.1%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.4
    rCSI 1.6%
    PRS 41.0%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.4
    rCSI 3.9%
    PRS 50.0%
  • fibroblast of cardiac tissue CL0002548
    CSI 1.4
    rCSI 6.6%
    PRS 32.5%
  • acinar cell CL0000622
    CSI 1.4
    rCSI 2.0%
    PRS 44.2%
  • contractile cell CL0000183
    CSI 1.4
    rCSI 4.2%
    PRS 33.2%
  • endothelial cell of placenta CL0009092
    CSI 1.4
    rCSI 7.1%
    PRS 44.7%
  • endocardial cell CL0002350
    CSI 1.5
    rCSI 6.9%
    PRS 37.8%
  • immature B cell CL0000816
    CSI 1.5
    rCSI 1.1%
    PRS 46.9%
  • promonocyte CL0000559
    CSI 1.5
    rCSI 2.5%
    PRS 43.5%
  • basal cell CL0000646
    CSI 1.5
    rCSI 2.0%
    PRS 36.3%
  • glycinergic amacrine cell CL4030028
    CSI 1.5
    rCSI 3.9%
    PRS 34.7%
  • inflammatory macrophage CL0000863
    CSI 1.5
    rCSI 2.6%
    PRS 60.7%

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 [AP3B1](/details-gene/8546) (adaptor related protein complex 3 subunit beta 1) is a protein-coding gene located on chromosome 5q14.1. It encodes the beta-1 subunit of the heterotetrameric Adaptor Protein complex 3 (AP-3). This complex is a critical component of the intracellular machinery responsible for vesicle-mediated transport, specifically in sorting cargo proteins from the trans-Golgi network and early endosomes to lysosomes and lysosome-related organelles like melanosomes and platelet dense granules [Link](https://doi.org/10.1083/jcb.137.4.835). Reflecting this fundamental role, [AP3B1](/details-gene/8546) shows significant expression in a wide range of cell types with high trafficking demands, including [lung secretory cell](/details-cell/CL1000272) and various immune cells such as [activated CD8-positive, alpha-beta T cell, human](/details-cell/CL0001049). Clinically, mutations in [AP3B1](/details-gene/8546) are associated with Hermansky-Pudlak syndrome type 2, a disorder characterized by oculocutaneous albinism, bleeding diathesis, and immunodeficiency, underscoring the gene's essential function in multiple physiological systems [Link](https://doi.org/10.1016/s1097-2765(00)80170-7). ## Cellular Roles and Expression Landscape The expression profile of [AP3B1](/details-gene/8546) highlights its integral function in cells with high secretory or specialized vesicular transport activities. **Overall**, the gene exhibits its highest significance in [lung secretory cell](/details-cell/CL1000272) (CSI: 23.87), consistent with its role in managing the trafficking of secreted proteins. Its importance extends broadly across the immune system, with high CSI values in both the adaptive and innate compartments, including [activated CD8-positive, alpha-beta T cell, human](/details-cell/CL0001049) (CSI: 20.96), placental macrophages known as [Hofbauer cell](/details-cell/CL3000001) (CSI: 17.12), and liver-resident macrophages, [Kupffer cell](/details-cell/CL0000091) (CSI: 10.09). This pattern suggests a crucial role in processes like cytotoxic granule release, antigen presentation, and phagocytosis. Furthermore, [AP3B1](/details-gene/8546) is significantly expressed in various specialized epithelial and endothelial cells, such as [blood vessel endothelial cell](/details-cell/CL0000071) and distinct populations of kidney tubule cells like [renal alpha-intercalated cell](/details-cell/CL0005011) and [kidney connecting tubule epithelial cell](/details-cell/CL1000768). This indicates its involvement in a wide array of physiological transport processes beyond immunity. Notably, the high significance in [glioblast](/details-cell/CL0000030), a type of brain tumor cell, suggests that its trafficking functions may also be co-opted in pathological states. ## Pathways and Molecular Function The functions of [AP3B1](/details-gene/8546) are centered on intracellular protein transport and vesicle trafficking, as detailed by its functional annotations. As a core component of the [AP-3 adaptor complex](/details-cell/GO:0030123), it participates directly in [Vesicle-mediated transport](/details-cell/R-HSA-5653656) and [Golgi associated vesicle biogenesis](/details-cell/R-HSA-432722). This machinery is essential for [Protein targeting to lysosome](/details-cell/GO:0006622) and the organization of lysosome-related organelles, including [Melanosome organization](/details-cell/GO:0032438) and [Platelet dense granule organization](/details-cell/GO:0060155). Its role in the immune system is further clarified by its involvement in [Antigen processing and presentation, exogenous lipid antigen via mhc class ib](/details-cell/GO:0048007) and the [Toll-like receptor signaling pathway](/details-cell/GO:0002224). These pathways are consistent with its high expression in professional antigen-presenting cells and lymphocytes. The Reactome pathway annotations also link [AP3B1](/details-gene/8546) to disease processes, including [Oncogenic mapk signaling](/details-cell/R-HSA-6802957), which may explain its significance in [glioblast](/details-cell/CL0000030) and suggests a potential role in cancer biology. ## Research Directions The data suggest that [AP3B1](/details-gene/8546) is a fundamental trafficking protein whose function is critical in both physiological and pathological contexts. Its high CSI in [glioblast](/details-cell/CL0000030) and connection to oncogenic signaling pathways point towards a potential role in tumorigenesis, which warrants further investigation. Based on the available data, several testable hypotheses can be proposed: 1. **Hypothesis 1:** Given its high significance in [activated CD8-positive, alpha-beta T cell, human](/details-cell/CL0001049), [AP3B1](/details-gene/8546) is essential for the proper trafficking and exocytosis of cytotoxic granules (containing perforin and granzymes), thereby directly regulating the anti-tumor and anti-viral efficacy of cytotoxic T lymphocytes. 2. **Hypothesis 2:** In [glioblast](/details-cell/CL0000030), the upregulation or altered function of [AP3B1](/details-gene/8546)-mediated trafficking contributes to tumor progression by enhancing the secretion of pro-angiogenic factors or by controlling the surface localization of critical growth factor receptors involved in oncogenic signaling. **Experimental Approach for Hypothesis 1:** To test the role of [AP3B1](/details-gene/8546) in T cell cytotoxicity, one could utilize a CRISPR-Cas9 system to knock out the gene in primary human CD8+ T cells. Following activation, these [AP3B1](/details-gene/8546)-deficient T cells could be co-cultured with target tumor cells in a cytotoxicity assay (e.g., chromium-release or flow cytometry-based killing assay). A significant reduction in killing capacity compared to control cells would support the hypothesis. Furthermore, confocal microscopy could be used to visualize the localization of lytic granules in response to target cell engagement, predicting a failure of these granules to polarize to the immunological synapse in knockout cells. **Therapeutic Potential:** As an intracellular protein essential for a fundamental cellular process, [AP3B1](/details-gene/8546) presents a challenging therapeutic target. Systemic inhibition would likely cause significant toxicity, mirroring the pleiotropic defects seen in Hermansky-Pudlak syndrome. However, if its role in glioblastoma is substantiated and found to be a key dependency, developing highly specific small molecule inhibitors capable of crossing the blood-brain barrier could represent a long-term therapeutic strategy. The goal would be **inhibition** to disrupt the pathological trafficking pathways that support tumor maintenance and growth.

Genular Protein ID: 572145882

Symbol: AP3B1_HUMAN

Name: AP-3 complex subunit beta-1

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9151686

Title: Characterization of the adaptor-related protein complex, AP-3.

PubMed ID: 9151686

DOI: 10.1083/jcb.137.4.835

PubMed ID: 9182526

Title: Beta3A-adaptin, a subunit of the adaptor-like complex AP-3.

PubMed ID: 9182526

DOI: 10.1074/jbc.272.24.15078

PubMed ID: 17974005

Title: The full-ORF clone resource of the German cDNA consortium.

PubMed ID: 17974005

DOI: 10.1186/1471-2164-8-399

PubMed ID: 15372022

Title: The DNA sequence and comparative analysis of human chromosome 5.

PubMed ID: 15372022

DOI: 10.1038/nature02919

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: 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: 18088087

Title: Phosphoproteome of resting human platelets.

PubMed ID: 18088087

DOI: 10.1021/pr0704130

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: 20068231

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

PubMed ID: 20068231

DOI: 10.1126/scisignal.2000475

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: 23186163

Title: Toward a comprehensive characterization of a human cancer cell phosphoproteome.

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 25944712

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

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

PubMed ID: 19934039

Title: Inositol pyrophosphate mediated pyrophosphorylation of AP3B1 regulates HIV-1 Gag release.

PubMed ID: 19934039

DOI: 10.1073/pnas.0909176106

PubMed ID: 10024875

Title: Altered trafficking of lysosomal proteins in Hermansky-Pudlak syndrome due to mutations in the beta 3A subunit of the AP-3 adaptor.

PubMed ID: 10024875

DOI: 10.1016/s1097-2765(00)80170-7

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

Sequence Information:

  • Length: 1094
  • Mass: 121320
  • Checksum: AC683CE18EF90555
  • Sequence:
  • MSSNSFPYNE QSGGGEATEL GQEATSTISP SGAFGLFSSD LKKNEDLKQM LESNKDSAKL 
    DAMKRIVGMI AKGKNASELF PAVVKNVASK NIEIKKLVYV YLVRYAEEQQ DLALLSISTF 
    QRALKDPNQL IRASALRVLS SIRVPIIVPI MMLAIKEASA DLSPYVRKNA AHAIQKLYSL 
    DPEQKEMLIE VIEKLLKDKS TLVAGSVVMA FEEVCPDRID LIHKNYRKLC NLLVDVEEWG 
    QVVIIHMLTR YARTQFVSPW KEGDELEDNG KNFYESDDDQ KEKTDKKKKP YTMDPDHRLL 
    IRNTKPLLQS RNAAVVMAVA QLYWHISPKS EAGIISKSLV RLLRSNREVQ YIVLQNIATM 
    SIQRKGMFEP YLKSFYVRST DPTMIKTLKL EILTNLANEA NISTLLREFQ TYVKSQDKQF 
    AAATIQTIGR CATNILEVTD TCLNGLVCLL SNRDEIVVAE SVVVIKKLLQ MQPAQHGEII 
    KHMAKLLDSI TVPVARASIL WLIGENCERV PKIAPDVLRK MAKSFTSEDD LVKLQILNLG 
    AKLYLTNSKQ TKLLTQYILN LGKYDQNYDI RDRTRFIRQL IVPNVKSGAL SKYAKKIFLA 
    QKPAPLLESP FKDRDHFQLG TLSHTLNIKA TGYLELSNWP EVAPDPSVRN VEVIELAKEW 
    TPAGKAKQEN SAKKFYSESE EEEDSSDSSS DSESESGSES GEQGESGEEG DSNEDSSEDS 
    SSEQDSESGR ESGLENKRTA KRNSKAKGKS DSEDGEKENE KSKTSDSSND ESSSIEDSSS 
    DSESESEPES ESESRRVTKE KEKKTKQDRT PLTKDVSLLD LDDFNPVSTP VALPTPALSP 
    SLMADLEGLH LSTSSSVISV STPAFVPTKT HVLLHRMSGK GLAAHYFFPR QPCIFGDKMV 
    SIQITLNNTT DRKIENIHIG EKKLPIGMKM HVFNPIDSLE PEGSITVSMG IDFCDSTQTA 
    SFQLCTKDDC FNVNIQPPVG ELLLPVAMSE KDFKKEQGVL TGMNETSAVI IAAPQNFTPS 
    VIFQKVVNVA NVGAVPSGQD NIHRFAAKTV HSGSLMLVTV ELKEGSTAQL IINTEKTVIG 
    SVLLRELKPV LSQG