Details for: STXBP3

Gene ID: 6814

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: STXBP3

Ensembl ID: ENSG00000116266

Description: syntaxin binding protein 3

Cell Significance Landscape

Associated with

Significant Cells

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

  • myeloid dendritic cell CL0000782
    CSI 13.48
    rCSI 19.53%
    PRS 61.65
  • rod bipolar cell CL0000751
    CSI 12.06
    rCSI 21.66%
    PRS 39.04
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 6.42
    rCSI 15.45%
    PRS 63.71
  • megakaryocyte CL0000556
    CSI 6.35
    rCSI 27.56%
    PRS 60.9
  • T follicular helper cell CL0002038
    CSI 5.86
    rCSI 4.38%
    PRS 60.15
  • lung pericyte CL0009089
    CSI 5.37
    rCSI 14.18%
    PRS 53.29
  • amacrine cell CL0000561
    CSI 5.12
    rCSI 14.82%
    PRS 37.03
  • ionocyte CL0005006
    CSI 4.94
    rCSI 5.29%
    PRS 43.5
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 4.72
    rCSI 3.78%
    PRS 66.92
  • macroglial cell CL0000126
    CSI 4.63
    rCSI 11.91%
    PRS 47.99
  • promonocyte CL0000559
    CSI 4.3
    rCSI 7.37%
    PRS 54.77
  • kidney connecting tubule epithelial cell CL1000768
    CSI 4.13
    rCSI 10.48%
    PRS 36.27
  • granulocyte CL0000094
    CSI 3.81
    rCSI 5.82%
    PRS 54.7
  • CD4-positive helper T cell CL0000492
    CSI 3.5
    rCSI 2.64%
    PRS 57.85
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 3.32
    rCSI 2.23%
    PRS 55.94
  • platelet CL0000233
    CSI 3.22
    rCSI 13.35%
    PRS 54.65
  • interstitial cell of Cajal CL0002088
    CSI 3.17
    rCSI 4.03%
    PRS 50.95
  • regular ventricular cardiac myocyte CL0002131
    CSI 3.08
    rCSI 19.25%
    PRS 38.14
  • brush cell of tracheobronchial tree CL0002075
    CSI 2.74
    rCSI 8.14%
    PRS 56.86
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 2.71
    rCSI 1.6%
    PRS 60.81
  • erythrocyte CL0000232
    CSI 2.68
    rCSI 6.08%
    PRS 50.85
  • stem cell CL0000034
    CSI 2.65
    rCSI 2.55%
    PRS 36.38
  • double negative thymocyte CL0002489
    CSI 2.62
    rCSI 1.82%
    PRS 54.16
  • enteroendocrine cell of small intestine CL0009006
    CSI 2.53
    rCSI 5.56%
    PRS 59.94
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 2.37
    rCSI 3.7%
    PRS 72.38
  • keratinocyte CL0000312
    CSI 2.37
    rCSI 1.99%
    PRS 50.35
  • fallopian tube secretory epithelial cell CL4030006
    CSI 2.36
    rCSI 2.27%
    PRS 46.05
  • intrahepatic cholangiocyte CL0002538
    CSI 2.28
    rCSI 5.46%
    PRS 60.92
  • CD14-positive monocyte CL0001054
    CSI 2.25
    rCSI 2.8%
    PRS 56.71
  • melanocyte CL0000148
    CSI 2.21
    rCSI 1.64%
    PRS 39.1
  • neural crest cell CL0011012
    CSI 2.19
    rCSI 1.73%
    PRS 33.48
  • keratocyte CL0002363
    CSI 2.15
    rCSI 5.18%
    PRS 55.56
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.14
    rCSI 2.1%
    PRS 60.94
  • perivascular cell CL4033054
    CSI 2.13
    rCSI 2.91%
    PRS 50.49
  • bronchus fibroblast of lung CL2000093
    CSI 2.12
    rCSI 1.72%
    PRS 46.15
  • hepatic stellate cell CL0000632
    CSI 2.08
    rCSI 7.78%
    PRS 38.66
  • fibroblast of lung CL0002553
    CSI 2.05
    rCSI 1.91%
    PRS 45.24
  • alpha-beta T cell CL0000789
    CSI 2.04
    rCSI 2.4%
    PRS 60.99
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 2.02
    rCSI 5.23%
    PRS 41.77
  • multi-ciliated epithelial cell CL0005012
    CSI 2.01
    rCSI 2%
    PRS 39.82
  • Kupffer cell CL0000091
    CSI 1.99
    rCSI 4.54%
    PRS 44.93
  • small pre-B-II cell CL0000954
    CSI 1.95
    rCSI 1.87%
    PRS 69.59
  • renal alpha-intercalated cell CL0005011
    CSI 1.94
    rCSI 2.6%
    PRS 54
  • mature alpha-beta T cell CL0000791
    CSI 1.91
    rCSI 6.93%
    PRS 64.81
  • precursor B cell CL0000817
    CSI 1.9
    rCSI 1.67%
    PRS 55.1
  • pulmonary capillary endothelial cell CL4028001
    CSI 1.89
    rCSI 3.61%
    PRS 62.17
  • retinal rod cell CL0000604
    CSI 1.88
    rCSI 3.32%
    PRS 43.81
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 1.87
    rCSI 1.34%
    PRS 58.51
  • alveolar macrophage CL0000583
    CSI 1.86
    rCSI 3.06%
    PRS 50.98
  • chondrocyte CL0000138
    CSI 1.85
    rCSI 2.94%
    PRS 38.69
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.84
    rCSI 2.37%
    PRS 30.93
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.84
    rCSI 5.27%
    PRS 63.4
  • lung neuroendocrine cell CL1000223
    CSI 1.81
    rCSI 2.68%
    PRS 50.62
  • common myeloid progenitor CL0000049
    CSI 1.8
    rCSI 1.46%
    PRS 46.12
  • myeloid leukocyte CL0000766
    CSI 1.8
    rCSI 1.66%
    PRS 46.42
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.79
    rCSI 1.25%
    PRS 47.35
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.79
    rCSI 3.26%
    PRS 39.22
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 1.79
    rCSI 4.34%
    PRS 29.16
  • radial glial cell CL0000681
    CSI 1.76
    rCSI 2.44%
    PRS 44.89
  • cerebral cortex neuron CL0010012
    CSI 1.75
    rCSI 7.14%
    PRS 42.79
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.75
    rCSI 2.79%
    PRS 49.36
  • fibroblast of cardiac tissue CL0002548
    CSI 1.75
    rCSI 8.36%
    PRS 44.11
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.73
    rCSI 2.09%
    PRS 53.35
  • lung ciliated cell CL1000271
    CSI 1.73
    rCSI 2%
    PRS 35.87
  • epithelial cell of lung CL0000082
    CSI 1.72
    rCSI 1.43%
    PRS 44.04
  • cardiac endothelial cell CL0010008
    CSI 1.71
    rCSI 6.9%
    PRS 44.02
  • basal cell CL0000646
    CSI 1.71
    rCSI 2.29%
    PRS 46.91
  • conjunctival epithelial cell CL1000432
    CSI 1.68
    rCSI 2.57%
    PRS 46.06
  • ciliated epithelial cell CL0000067
    CSI 1.68
    rCSI 1.48%
    PRS 34.85
  • interneuron CL0000099
    CSI 1.68
    rCSI 3.38%
    PRS 35.58
  • epithelial cell of lower respiratory tract CL0002632
    CSI 1.67
    rCSI 1.3%
    PRS 46.05
  • enteroendocrine cell CL0000164
    CSI 1.67
    rCSI 2.28%
    PRS 48.13
  • hematopoietic precursor cell CL0008001
    CSI 1.66
    rCSI 1.71%
    PRS 63.5
  • pulmonary ionocyte CL0017000
    CSI 1.64
    rCSI 1.99%
    PRS 53.15
  • goblet cell CL0000160
    CSI 1.63
    rCSI 1.54%
    PRS 46.27
  • blood vessel endothelial cell CL0000071
    CSI 1.61
    rCSI 3.34%
    PRS 43.45
  • acinar cell CL0000622
    CSI 1.59
    rCSI 2.34%
    PRS 56.73
  • vascular leptomeningeal cell CL4023051
    CSI 1.57
    rCSI 2.75%
    PRS 38.05
  • hepatocyte CL0000182
    CSI 1.55
    rCSI 2.78%
    PRS 43.93
  • Mueller cell CL0000636
    CSI 1.55
    rCSI 3.53%
    PRS 39.04
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.54
    rCSI 1.92%
    PRS 28.49
  • intestinal epithelial cell CL0002563
    CSI 1.54
    rCSI 1.61%
    PRS 45.02
  • early lymphoid progenitor CL0000936
    CSI 1.53
    rCSI 1.34%
    PRS 50.49
  • intestine goblet cell CL0019031
    CSI 1.52
    rCSI 1.35%
    PRS 44.44
  • group 3 innate lymphoid cell CL0001071
    CSI 1.51
    rCSI 1.14%
    PRS 49.02
  • ependymal cell CL0000065
    CSI 1.51
    rCSI 3.06%
    PRS 28.3
  • glioblast CL0000030
    CSI 1.5
    rCSI 2.39%
    PRS 39.5
  • pro-B cell CL0000826
    CSI 1.49
    rCSI 1.24%
    PRS 46.48
  • naive T cell CL0000898
    CSI 1.49
    rCSI 1.03%
    PRS 58.43
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.48
    rCSI 1.14%
    PRS 44.38
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.47
    rCSI 2.09%
    PRS 42.54
  • BEST4+ enteroycte CL4030026
    CSI 1.47
    rCSI 1.82%
    PRS 48.22
  • colon epithelial cell CL0011108
    CSI 1.46
    rCSI 1.53%
    PRS 42.63
  • inflammatory macrophage CL0000863
    CSI 1.45
    rCSI 2.48%
    PRS 71.64
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.45
    rCSI 1.26%
    PRS 49.24
  • mononuclear phagocyte CL0000113
    CSI 1.45
    rCSI 3.19%
    PRS 49.38
  • adventitial cell CL0002503
    CSI 1.43
    rCSI 3.42%
    PRS 55.89
  • pancreatic acinar cell CL0002064
    CSI 1.43
    rCSI 1.89%
    PRS 50.37
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 1.39
    rCSI 1.26%
    PRS 60.35
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.37
    rCSI 1.59%
    PRS 39.89
  • cytotoxic T cell CL0000910
    CSI 0.1
    rCSI 0.8%
    PRS 57.5%
  • indirect pathway medium spiny neuron CL4023029
    CSI 0.2
    rCSI 3.5%
    PRS 30.3%
  • direct pathway medium spiny neuron CL4023026
    CSI 0.2
    rCSI 3.9%
    PRS 29.5%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 0.2
    rCSI 0.9%
    PRS 28.9%
  • medium spiny neuron CL1001474
    CSI 0.3
    rCSI 2.1%
    PRS 33.3%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.3
    rCSI 1.6%
    PRS 69.4%
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 0.3
    rCSI 1.9%
    PRS 69.7%
  • H2 horizontal cell CL0004218
    CSI 0.3
    rCSI 1.6%
    PRS 45.1%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.3
    rCSI 1.0%
    PRS 33.5%
  • central nervous system neuron CL2000029
    CSI 0.3
    rCSI 2.5%
    PRS 33.8%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.4
    rCSI 3.2%
    PRS 65.4%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 0.5
    rCSI 1.7%
    PRS 30.9%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.5
    rCSI 1.5%
    PRS 34.6%
  • cardiac neuron CL0010022
    CSI 0.5
    rCSI 1.6%
    PRS 42.6%
  • retinal cone cell CL0000573
    CSI 0.5
    rCSI 0.8%
    PRS 36.3%
  • Hofbauer cell CL3000001
    CSI 0.6
    rCSI 1.0%
    PRS 55.8%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 0.6
    rCSI 0.9%
    PRS 32.1%
  • forebrain radial glial cell CL0013000
    CSI 0.6
    rCSI 1.8%
    PRS 53.1%
  • pancreatic ductal cell CL0002079
    CSI 0.6
    rCSI 1.1%
    PRS 47.6%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.6
    rCSI 1.9%
    PRS 31.2%
  • enteroglial cell CL4040002
    CSI 0.6
    rCSI 3.4%
    PRS 53.7%
  • choroid plexus epithelial cell CL0000706
    CSI 0.7
    rCSI 1.1%
    PRS 36.3%
  • neural progenitor cell CL0011020
    CSI 0.7
    rCSI 2.9%
    PRS 39.1%
  • placental villous trophoblast CL2000060
    CSI 0.7
    rCSI 1.0%
    PRS 43.3%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 0.7
    rCSI 1.9%
    PRS 48.0%
  • tuft cell of colon CL0009041
    CSI 0.7
    rCSI 1.6%
    PRS 62.8%
  • podocyte CL0000653
    CSI 0.7
    rCSI 3.0%
    PRS 44.2%
  • mucus secreting cell CL0000319
    CSI 0.7
    rCSI 1.2%
    PRS 56.2%
  • endothelial cell of placenta CL0009092
    CSI 0.8
    rCSI 3.7%
    PRS 57.5%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 0.8
    rCSI 1.5%
    PRS 63.2%
  • parietal epithelial cell CL1000452
    CSI 0.8
    rCSI 2.1%
    PRS 38.5%
  • glial cell CL0000125
    CSI 0.8
    rCSI 3.0%
    PRS 38.8%
  • retinal ganglion cell CL0000740
    CSI 0.8
    rCSI 1.8%
    PRS 34.0%
  • respiratory basal cell CL0002633
    CSI 0.8
    rCSI 0.8%
    PRS 51.3%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 0.8
    rCSI 4.1%
    PRS 56.5%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 0.9
    rCSI 5.2%
    PRS 31.4%
  • retina horizontal cell CL0000745
    CSI 0.9
    rCSI 1.4%
    PRS 42.3%
  • extravillous trophoblast CL0008036
    CSI 1.0
    rCSI 1.2%
    PRS 41.5%
  • syncytiotrophoblast cell CL0000525
    CSI 1.0
    rCSI 2.7%
    PRS 63.0%
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.0
    rCSI 3.7%
    PRS 66.0%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.0
    rCSI 1.2%
    PRS 30.0%
  • alveolar adventitial fibroblast CL4028006
    CSI 1.0
    rCSI 1.5%
    PRS 46.6%
  • enteric smooth muscle cell CL0002504
    CSI 1.0
    rCSI 1.4%
    PRS 48.2%
  • type B pancreatic cell CL0000169
    CSI 1.0
    rCSI 2.2%
    PRS 42.9%
  • corneal epithelial cell CL0000575
    CSI 1.0
    rCSI 2.9%
    PRS 62.1%
  • intermediate monocyte CL0002393
    CSI 1.0
    rCSI 1.5%
    PRS 47.5%
  • renal principal cell CL0005009
    CSI 1.0
    rCSI 2.7%
    PRS 50.4%
  • GABAergic neuron CL0000617
    CSI 1.0
    rCSI 3.4%
    PRS 34.0%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.1
    rCSI 1.0%
    PRS 42.2%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 1.1
    rCSI 1.8%
    PRS 30.1%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.1
    rCSI 2.9%
    PRS 54.2%
  • cardiac muscle cell CL0000746
    CSI 1.1
    rCSI 1.6%
    PRS 37.0%
  • Schwann cell CL0002573
    CSI 1.1
    rCSI 3.1%
    PRS 45.4%
  • retinal bipolar neuron CL0000748
    CSI 1.1
    rCSI 2.1%
    PRS 35.5%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.1
    rCSI 1.5%
    PRS 58.6%
  • glandular epithelial cell CL0000150
    CSI 1.1
    rCSI 2.9%
    PRS 67.9%
  • astrocyte of the cerebral cortex CL0002605
    CSI 1.2
    rCSI 2.6%
    PRS 30.8%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.2
    rCSI 2.1%
    PRS 29.1%
  • mature B cell CL0000785
    CSI 1.2
    rCSI 1.0%
    PRS 55.0%
  • lung secretory cell CL1000272
    CSI 1.2
    rCSI 2.9%
    PRS 43.6%
  • dendritic cell, human CL0001056
    CSI 1.2
    rCSI 1.8%
    PRS 52.6%
  • mature T cell CL0002419
    CSI 1.2
    rCSI 0.9%
    PRS 62.5%
  • common dendritic progenitor CL0001029
    CSI 1.2
    rCSI 1.5%
    PRS 55.3%
  • duct epithelial cell CL0000068
    CSI 1.2
    rCSI 1.8%
    PRS 48.6%
  • peripheral nervous system neuron CL2000032
    CSI 1.3
    rCSI 1.7%
    PRS 38.9%
  • hematopoietic stem cell CL0000037
    CSI 1.3
    rCSI 0.8%
    PRS 49.3%
  • elicited macrophage CL0000861
    CSI 1.3
    rCSI 1.2%
    PRS 52.9%
  • Bergmann glial cell CL0000644
    CSI 1.3
    rCSI 1.7%
    PRS 41.7%
  • alternatively activated macrophage CL0000890
    CSI 1.3
    rCSI 1.6%
    PRS 59.0%
  • renal beta-intercalated cell CL0002201
    CSI 1.3
    rCSI 3.0%
    PRS 47.6%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.3
    rCSI 3.3%
    PRS 44.6%
  • small intestine goblet cell CL1000495
    CSI 1.3
    rCSI 2.8%
    PRS 55.2%
  • ON-bipolar cell CL0000749
    CSI 1.3
    rCSI 1.9%
    PRS 48.0%
  • transit amplifying cell of colon CL0009011
    CSI 1.3
    rCSI 1.5%
    PRS 49.1%
  • cerebral cortex endothelial cell CL1001602
    CSI 1.3
    rCSI 2.3%
    PRS 36.4%
  • lung macrophage CL1001603
    CSI 1.3
    rCSI 2.9%
    PRS 52.1%
  • helper T cell CL0000912
    CSI 1.3
    rCSI 1.9%
    PRS 54.1%
  • alveolar type 1 fibroblast cell CL4028004
    CSI 1.3
    rCSI 1.5%
    PRS 49.4%
  • cerebellar granule cell CL0001031
    CSI 1.4
    rCSI 2.0%
    PRS 41.4%
  • myoepithelial cell CL0000185
    CSI 1.4
    rCSI 3.4%
    PRS 53.8%
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.4
    rCSI 1.6%
    PRS 39.9%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 1.4
    rCSI 1.3%
    PRS 60.4%
  • pancreatic acinar cell CL0002064
    CSI 1.4
    rCSI 1.9%
    PRS 50.4%
  • adventitial cell CL0002503
    CSI 1.4
    rCSI 3.4%
    PRS 55.9%
  • mononuclear phagocyte CL0000113
    CSI 1.5
    rCSI 3.2%
    PRS 49.4%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.5
    rCSI 1.3%
    PRS 49.2%
  • inflammatory macrophage CL0000863
    CSI 1.5
    rCSI 2.5%
    PRS 71.6%
  • colon epithelial cell CL0011108
    CSI 1.5
    rCSI 1.5%
    PRS 42.6%
  • BEST4+ enteroycte CL4030026
    CSI 1.5
    rCSI 1.8%
    PRS 48.2%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.5
    rCSI 2.1%
    PRS 42.5%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.5
    rCSI 1.1%
    PRS 44.4%
  • naive T cell CL0000898
    CSI 1.5
    rCSI 1.0%
    PRS 58.4%
  • pro-B cell CL0000826
    CSI 1.5
    rCSI 1.2%
    PRS 46.5%
  • glioblast CL0000030
    CSI 1.5
    rCSI 2.4%
    PRS 39.5%
  • ependymal cell CL0000065
    CSI 1.5
    rCSI 3.1%
    PRS 28.3%
  • group 3 innate lymphoid cell CL0001071
    CSI 1.5
    rCSI 1.1%
    PRS 49.0%
  • intestine goblet cell CL0019031
    CSI 1.5
    rCSI 1.4%
    PRS 44.4%
  • early lymphoid progenitor CL0000936
    CSI 1.5
    rCSI 1.3%
    PRS 50.5%
  • intestinal epithelial cell CL0002563
    CSI 1.5
    rCSI 1.6%
    PRS 45.0%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.5
    rCSI 1.9%
    PRS 28.5%

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 [STXBP3](/details-gene/6814) (Syntaxin Binding Protein 3) is a protein-coding gene located on chromosome 1p13.3 that plays a crucial role in intracellular vesicle transport and exocytosis. As a member of the Sec1/Munc18 (SM) protein family, it interacts with syntaxins to regulate the docking and fusion of vesicles with target membranes. **Overall**, expression data reveals that [STXBP3](/details-gene/6814) has high significance in a diverse array of cell types, most notably in hematopoietic lineages such as [myeloid dendritic cell](/details-cell/CL0000782) and [hematopoietic multipotent progenitor cell](/details-cell/CL0000837), as well as in specialized neural cells like the [rod bipolar cell](/details-cell/CL0000751). Its function is integral to processes including hemostasis, immune cell degranulation, and insulin-mediated glucose transport, underscoring its importance in both immunology and metabolic regulation. ## Cellular Roles and Expression Landscape The expression profile of [STXBP3](/details-gene/6814) highlights its role as a key regulator of secretory pathways in specific cellular contexts. Its highest significance is observed in [myeloid dendritic cell](/details-cell/CL0000782) (CSI: 13.48), suggesting a critical function in antigen presentation or cytokine secretion. The gene also shows marked importance in retinal neurons, including [rod bipolar cell](/details-cell/CL0000751) (CSI: 12.06) and [amacrine cell](/details-cell/CL0000561) (CSI: 5.12), consistent with its known role in synaptic vesicle exocytosis in the nervous system [Link](https://pubmed.ncbi.nlm.nih.gov/8824310). A strong theme of hematopoietic function is evident from its high CSI in [hematopoietic multipotent progenitor cell](/details-cell/CL0000837) (CSI: 6.42), [megakaryocyte](/details-cell/CL0000556) (CSI: 6.35), and various T cell subsets, including [T follicular helper cell](/details-cell/CL0002038) and [CD4-positive, alpha-beta thymocyte](/details-cell/CL0000810). This pattern is consistent with its documented involvement in platelet secretion and T-cell function. The broad but distinct expression across immune, neural, and progenitor cells indicates that [STXBP3](/details-gene/6814) is a fundamental component of specialized exocytotic machinery rather than a ubiquitous housekeeping gene. ## Pathways and Molecular Function [STXBP3](/details-gene/6814) functions primarily by binding to syntaxin proteins, as annotated by its molecular function in [syntaxin binding](/details-ontology/GO:0019905). This interaction is a key step in regulating vesicle-mediated transport and exocytosis. Its involvement in the Reactome pathway [Disinhibition of snare formation](/details-pathway/R-HSA-114516) highlights its role as a chaperone that facilitates the assembly of the SNARE complex required for membrane fusion. The gene's cellular roles are clearly reflected in its pathway annotations. Its high significance in [megakaryocyte](/details-cell/CL0000556) is strongly supported by its association with [Hemostasis](/details-pathway/R-HSA-109582) and [Platelet activation, signaling and aggregation](/details-pathway/R-HSA-76002). Indeed, research has shown that it interacts with syntaxin 4 in human platelets [Link](https://pubmed.ncbi.nlm.nih.gov/10194441). Similarly, its expression in [granulocyte](/details-cell/CL0000094) aligns with its role in [Neutrophil degranulation](/details-ontology/GO:0043312). Furthermore, annotations for [Insulin secretion](/details-ontology/GO:0030073) and the [Translocation of slc2a4 (glut4) to the plasma membrane](/details-pathway/R-HSA-1445148) pathway point towards a critical role in metabolic homeostasis by controlling the exocytosis of glucose transporters in response to insulin. Its function in [Presynaptic dense core vesicle exocytosis](/details-ontology/GO:0099525) is consistent with its high expression in retinal neurons, where it likely regulates neurotransmitter release. ## Research Directions The diverse expression pattern of [STXBP3](/details-gene/6814) across immune, neural, and metabolic systems suggests it acts as a critical node in regulating vesicular traffic. Future research should focus on dissecting its cell-type-specific functions and regulatory mechanisms. Based on the available data, several testable hypotheses can be proposed: 1. Given its top-ranking significance in [myeloid dendritic cell](/details-cell/CL0000782) and its fundamental role in exocytosis, [STXBP3](/details-gene/6814) is a key regulator of antigen presentation, controlling the trafficking and cell surface expression of MHC class II molecules. 2. The high CSI of [STXBP3](/details-gene/6814) in [rod bipolar cell](/details-cell/CL0000751), combined with its involvement in presynaptic vesicle release, suggests that it is essential for modulating the graded release of glutamate at ribbon synapses, a critical step in visual signal processing. 3. Based on its role in GLUT4 translocation and insulin response pathways, haploinsufficiency or mutations in [STXBP3](/details-gene/6814) may contribute to insulin resistance by impairing glucose transporter trafficking in peripheral tissues like adipose and muscle. To test the first hypothesis regarding the role of [STXBP3](/details-gene/6814) in dendritic cells, a compelling experimental approach would be to utilize a conditional knockout mouse model (e.g., *Stxbp3fl/fl;Cd11c-Cre*). Bone marrow-derived dendritic cells from these mice could be stimulated with a model antigen, and the subsequent surface expression of MHC-II and co-stimulatory molecules (CD80/CD86) could be quantified by flow cytometry. The ability of these knockout DCs to prime naive T cells could then be assessed in co-culture proliferation assays to determine the functional consequences of [STXBP3](/details-gene/6814) loss on T cell activation. As a therapeutic target, [STXBP3](/details-gene/6814) presents challenges. Because it is a cytosolic protein involved in a fundamental cellular process, global inhibition would likely cause significant toxicity. However, its crucial role in specific pathological processes, such as hyper-secretion from immune cells in autoimmune diseases or uncontrolled degranulation, could make it a context-specific target. A potential strategy would involve developing small molecules that disrupt its interaction with a specific syntaxin partner (e.g., syntaxin-4 in platelets) rather than inhibiting its entire function, thereby achieving greater therapeutic specificity. Such an approach would require detailed structural knowledge of the specific protein-protein interaction surfaces.

Genular Protein ID: 4276039821

Symbol: STXB3_HUMAN

Name: Syntaxin-binding protein 3

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 8824310

Title: A murine neural-specific homolog corrects cholinergic defects in Caenorhabditis elegans unc-18 mutants.

PubMed ID: 8824310

DOI: 10.1523/jneurosci.16-21-06695.1996

PubMed ID: 10194441

Title: Human platelets contain SNARE proteins and a Sec1p homologue that interacts with syntaxin 4 and is phosphorylated after thrombin activation: implications for platelet secretion.

PubMed ID: 10194441

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 16710414

Title: The DNA sequence and biological annotation of human chromosome 1.

PubMed ID: 16710414

DOI: 10.1038/nature04727

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: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

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

Sequence Information:

  • Length: 592
  • Mass: 67764
  • Checksum: AAFA268E2D328EC7
  • Sequence:
  • MAPPVAERGL KSVVWQKIKA TVFDDCKKEG EWKIMLLDEF TTKLLASCCK MTDLLEEGIT 
    VVENIYKNRE PVRQMKALYF ITPTSKSVDC FLHDFASKSE NKYKAAYIYF TDFCPDNLFN 
    KIKASCSKSI RRCKEINISF IPHESQVYTL DVPDAFYYCY SPDPGNAKGK DAIMETMADQ 
    IVTVCATLDE NPGVRYKSKP LDNASKLAQL VEKKLEDYYK IDEKSLIKGK THSQLLIIDR 
    GFDPVSTVLH ELTFQAMAYD LLPIENDTYK YKTDGKEKEA ILEEEDDLWV RIRHRHIAVV 
    LEEIPKLMKE ISSTKKATEG KTSLSALTQL MKKMPHFRKQ ITKQVVHLNL AEDCMNKFKL 
    NIEKLCKTEQ DLALGTDAEG QKVKDSMRVL LPVLLNKNHD NCDKIRAILL YIFSINGTTE 
    ENLDRLIQNV KIENESDMIR NWSYLGVPIV PQSQQGKPLR KDRSAEETFQ LSRWTPFIKD 
    IMEDAIDNRL DSKEWPYCSQ CPAVWNGSGA VSARQKPRAN YLEDRKNGSK LIVFVIGGIT 
    YSEVRCAYEV SQAHKSCEVI IGSTHVLTPK KLLDDIKMLN KPKDKVSLIK DE