Details for: KRTCAP2

Gene ID: 200185

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: KRTCAP2

Ensembl ID: ENSG00000163463

Description: keratinocyte associated protein 2

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 86.09
    rCSI 67.73%
    PRS 30.55
  • ciliated epithelial cell CL0000067
    CSI 68.54
    rCSI 60.27%
    PRS 18.47
  • pancreatic D cell CL0000173
    CSI 56.56
    rCSI 55.63%
    PRS 27.03
  • granulocyte monocyte progenitor cell CL0000557
    CSI 53.76
    rCSI 46.55%
    PRS 28.35
  • IgA plasma cell CL0000987
    CSI 51.06
    rCSI 52.27%
    PRS 44.11
  • duct epithelial cell CL0000068
    CSI 45.68
    rCSI 66.83%
    PRS 26.78
  • pancreatic A cell CL0000171
    CSI 37.83
    rCSI 39.63%
    PRS 26.8
  • fallopian tube secretory epithelial cell CL4030006
    CSI 36.34
    rCSI 34.98%
    PRS 26.12
  • extravillous trophoblast CL0008036
    CSI 36.28
    rCSI 44.88%
    PRS 22.26
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 34.4
    rCSI 31.07%
    PRS 23.04
  • plasmacytoid dendritic cell, human CL0001058
    CSI 34
    rCSI 23.74%
    PRS 26.87
  • transit amplifying cell of colon CL0009011
    CSI 33.41
    rCSI 39.23%
    PRS 28.87
  • stem cell CL0000034
    CSI 33.26
    rCSI 32.07%
    PRS 18.67
  • hematopoietic stem cell CL0000037
    CSI 32.5
    rCSI 21.6%
    PRS 29.81
  • vascular associated smooth muscle cell CL0000359
    CSI 30.83
    rCSI 100%
    PRS 29.75
  • common myeloid progenitor CL0000049
    CSI 29.75
    rCSI 24.06%
    PRS 25.45
  • plasma cell CL0000786
    CSI 29.4
    rCSI 38.53%
    PRS 71.4
  • B cell CL0000236
    CSI 28.93
    rCSI 38.7%
    PRS 66.77
  • colon epithelial cell CL0011108
    CSI 28.62
    rCSI 29.98%
    PRS 23.58
  • IgG plasma cell CL0000985
    CSI 26.73
    rCSI 32.02%
    PRS 42.56
  • promyelocyte CL0000836
    CSI 26.71
    rCSI 38.52%
    PRS 34.71
  • tracheal goblet cell CL1000329
    CSI 26.43
    rCSI 57.71%
    PRS 46.05
  • multi-ciliated epithelial cell CL0005012
    CSI 26.24
    rCSI 26.19%
    PRS 21.64
  • intestine goblet cell CL0019031
    CSI 25.18
    rCSI 22.35%
    PRS 25.53
  • immature B cell CL0000816
    CSI 24.01
    rCSI 17.84%
    PRS 36.62
  • lung interstitial macrophage CL4033043
    CSI 23.49
    rCSI 52.72%
    PRS 46.45
  • elicited macrophage CL0000861
    CSI 23.48
    rCSI 21.56%
    PRS 30.04
  • T cell CL0000084
    CSI 23.47
    rCSI 45.88%
    PRS 86.09
  • club cell CL0000158
    CSI 23.07
    rCSI 33.79%
    PRS 28.17
  • respiratory suprabasal cell CL4033048
    CSI 22.78
    rCSI 29.22%
    PRS 29.08
  • memory B cell CL0000787
    CSI 21.96
    rCSI 21.68%
    PRS 69.49
  • nasal mucosa goblet cell CL0002480
    CSI 21.92
    rCSI 25.42%
    PRS 35.84
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 21.9
    rCSI 26.14%
    PRS 42.83
  • bronchus fibroblast of lung CL2000093
    CSI 21.59
    rCSI 17.55%
    PRS 26.36
  • intestinal epithelial cell CL0002563
    CSI 20.76
    rCSI 21.7%
    PRS 26.06
  • colon goblet cell CL0009039
    CSI 20.71
    rCSI 49.23%
    PRS 36.85
  • epithelial cell of lung CL0000082
    CSI 19.93
    rCSI 16.53%
    PRS 23.99
  • conjunctival epithelial cell CL1000432
    CSI 18.86
    rCSI 28.81%
    PRS 25.36
  • transit amplifying cell CL0009010
    CSI 18.47
    rCSI 28.25%
    PRS 40.03
  • type B pancreatic cell CL0000169
    CSI 18.44
    rCSI 40.81%
    PRS 23.31
  • erythrocyte CL0000232
    CSI 18.1
    rCSI 41.07%
    PRS 32.42
  • inflammatory macrophage CL0000863
    CSI 17.94
    rCSI 30.65%
    PRS 49.19
  • promonocyte CL0000559
    CSI 17.9
    rCSI 30.67%
    PRS 33.82
  • pulmonary capillary endothelial cell CL4028001
    CSI 17.88
    rCSI 34.09%
    PRS 39.22
  • mucous neck cell CL0000651
    CSI 17.67
    rCSI 25.47%
    PRS 38.67
  • dendritic cell CL0000451
    CSI 17.62
    rCSI 21.71%
    PRS 60.45
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 17.6
    rCSI 16.03%
    PRS 37.97
  • common dendritic progenitor CL0001029
    CSI 17.41
    rCSI 21.85%
    PRS 32.61
  • secretory cell CL0000151
    CSI 17.13
    rCSI 17.87%
    PRS 25.86
  • ionocyte CL0005006
    CSI 16.94
    rCSI 18.16%
    PRS 23.26
  • Schwann cell CL0002573
    CSI 16.89
    rCSI 48.02%
    PRS 27.55
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 16.81
    rCSI 12.95%
    PRS 23.69
  • fibroblast of lung CL0002553
    CSI 16.51
    rCSI 15.37%
    PRS 25.23
  • Mueller cell CL0000636
    CSI 16.27
    rCSI 37.13%
    PRS 21.56
  • tracheobronchial smooth muscle cell CL0019019
    CSI 15.77
    rCSI 27.8%
    PRS 32.32
  • mononuclear phagocyte CL0000113
    CSI 15.72
    rCSI 34.6%
    PRS 28.85
  • myeloid cell CL0000763
    CSI 15.61
    rCSI 64.31%
    PRS 54.14
  • midzonal region hepatocyte CL0019028
    CSI 15.53
    rCSI 36.45%
    PRS 35.06
  • pulmonary ionocyte CL0017000
    CSI 14.82
    rCSI 18.04%
    PRS 31.24
  • naive thymus-derived CD8-positive, alpha-beta T cell CL0000900
    CSI 14.54
    rCSI 10.21%
    PRS 53.44
  • pancreatic PP cell CL0002275
    CSI 14.51
    rCSI 57.76%
    PRS 41.24
  • naive T cell CL0000898
    CSI 14.32
    rCSI 9.96%
    PRS 35.36
  • mast cell CL0000097
    CSI 13.9
    rCSI 30.01%
    PRS 69.09
  • deuterosomal cell CL4033044
    CSI 13.89
    rCSI 46.97%
    PRS 38.12
  • keratinocyte CL0000312
    CSI 13.62
    rCSI 11.42%
    PRS 29.81
  • CD14-positive monocyte CL0001054
    CSI 13.58
    rCSI 16.91%
    PRS 34.63
  • interneuron CL0000099
    CSI 13.56
    rCSI 27.23%
    PRS 18.71
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 13.56
    rCSI 12.53%
    PRS 44.1
  • lung neuroendocrine cell CL1000223
    CSI 13.55
    rCSI 20.04%
    PRS 28.7
  • pancreatic ductal cell CL0002079
    CSI 13.49
    rCSI 26.24%
    PRS 25.96
  • pancreatic acinar cell CL0002064
    CSI 13.43
    rCSI 17.85%
    PRS 27.68
  • OFF-bipolar cell CL0000750
    CSI 13.31
    rCSI 18.19%
    PRS 37.07
  • microcirculation associated smooth muscle cell CL0008035
    CSI 13.08
    rCSI 37.86%
    PRS 28.18
  • BEST4+ enteroycte CL4030026
    CSI 12.97
    rCSI 16.13%
    PRS 26.96
  • retinal blood vessel endothelial cell CL0002585
    CSI 12.72
    rCSI 20.32%
    PRS 27.61
  • mucosal invariant T cell CL0000940
    CSI 12.65
    rCSI 10.22%
    PRS 37
  • unswitched memory B cell CL0000970
    CSI 12.52
    rCSI 10.53%
    PRS 39.44
  • granulocyte CL0000094
    CSI 12.51
    rCSI 19.12%
    PRS 32.57
  • neural crest cell CL0011012
    CSI 12.49
    rCSI 9.87%
    PRS 17.37
  • mature B cell CL0000785
    CSI 12.43
    rCSI 10.81%
    PRS 31.82
  • pancreatic epsilon cell CL0005019
    CSI 12.18
    rCSI 56.77%
    PRS 50.76
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 12.15
    rCSI 9.24%
    PRS 33.42
  • myofibroblast cell CL0000186
    CSI 12.08
    rCSI 16.72%
    PRS 33.6
  • non-classical monocyte CL0000875
    CSI 11.94
    rCSI 19.15%
    PRS 59.22
  • T follicular helper cell CL0002038
    CSI 11.94
    rCSI 8.94%
    PRS 38.9
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 11.74
    rCSI 16.64%
    PRS 23.36
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 11.74
    rCSI 11.96%
    PRS 35.69
  • pro-B cell CL0000826
    CSI 11.64
    rCSI 9.64%
    PRS 25.67
  • mature NK T cell CL0000814
    CSI 11.4
    rCSI 14.58%
    PRS 69.37
  • tracheobronchial serous cell CL0019001
    CSI 11.35
    rCSI 49.05%
    PRS 43.46
  • mammary gland epithelial cell CL0002327
    CSI 11.24
    rCSI 39.42%
    PRS 41.98
  • classical monocyte CL0000860
    CSI 11.23
    rCSI 16.64%
    PRS 83.03
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 11.18
    rCSI 8.03%
    PRS 34.66
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 11.17
    rCSI 7.52%
    PRS 31.39
  • plasmacytoid dendritic cell CL0000784
    CSI 11.03
    rCSI 11.17%
    PRS 77
  • radial glial cell CL0000681
    CSI 10.68
    rCSI 14.83%
    PRS 25.5
  • conventional dendritic cell CL0000990
    CSI 10.64
    rCSI 8.88%
    PRS 56.13
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 10.64
    rCSI 10.45%
    PRS 59.4
  • alveolar macrophage CL0000583
    CSI 10.56
    rCSI 17.39%
    PRS 29.67
  • endothelial cell of placenta CL0009092
    CSI 10.48
    rCSI 51.64%
    PRS 33.83
  • retinal ganglion cell CL0000740
    CSI 0.1
    rCSI 0.3%
    PRS 18.1%
  • kidney interstitial cell CL1000500
    CSI 0.2
    rCSI 3.6%
    PRS 68.5%
  • double negative T regulatory cell CL0011024
    CSI 0.3
    rCSI 5.7%
    PRS 80.9%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.5
    rCSI 3.4%
    PRS 44.4%
  • collagen secreting cell CL0000667
    CSI 0.5
    rCSI 2.7%
    PRS 62.5%
  • CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human CL0001074
    CSI 0.5
    rCSI 5.8%
    PRS 71.8%
  • Cajal-Retzius cell CL0000695
    CSI 0.6
    rCSI 4.4%
    PRS 45.9%
  • amacrine cell CL0000561
    CSI 0.7
    rCSI 1.9%
    PRS 19.7%
  • epithelial cell of urethra CL1000296
    CSI 0.7
    rCSI 16.9%
    PRS 58.8%
  • intermediate monocyte CL0002393
    CSI 0.7
    rCSI 1.1%
    PRS 25.9%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 0.8
    rCSI 2.2%
    PRS 38.4%
  • pre-conventional dendritic cell CL0002010
    CSI 0.8
    rCSI 10.4%
    PRS 63.7%
  • osteoblast CL0000062
    CSI 0.8
    rCSI 20.5%
    PRS 84.0%
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 0.9
    rCSI 3.3%
    PRS 41.0%
  • acinar cell of salivary gland CL0002623
    CSI 0.9
    rCSI 21.0%
    PRS 45.6%
  • paneth cell CL0000510
    CSI 0.9
    rCSI 1.4%
    PRS 38.8%
  • myelocyte CL0002193
    CSI 1.0
    rCSI 6.3%
    PRS 64.3%
  • epithelial cell of nephron CL1000449
    CSI 1.0
    rCSI 9.6%
    PRS 73.6%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.1
    rCSI 2.8%
    PRS 32.5%
  • parietal epithelial cell CL1000452
    CSI 1.1
    rCSI 2.8%
    PRS 21.0%
  • chondrocyte CL0000138
    CSI 1.1
    rCSI 1.7%
    PRS 21.2%
  • mesenchymal stem cell CL0000134
    CSI 1.1
    rCSI 11.7%
    PRS 42.7%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 1.1
    rCSI 5.5%
    PRS 33.3%
  • odontoblast CL0000060
    CSI 1.1
    rCSI 24.7%
    PRS 71.7%
  • lung microvascular endothelial cell CL2000016
    CSI 1.1
    rCSI 22.1%
    PRS 58.7%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.1
    rCSI 2.0%
    PRS 15.0%
  • syncytiotrophoblast cell CL0000525
    CSI 1.2
    rCSI 3.3%
    PRS 43.8%
  • colon macrophage CL0009038
    CSI 1.2
    rCSI 5.7%
    PRS 48.8%
  • mesenchymal lymphangioblast CL0005021
    CSI 1.3
    rCSI 34.8%
    PRS 73.5%
  • small intestine goblet cell CL1000495
    CSI 1.3
    rCSI 2.9%
    PRS 33.3%
  • CD8-alpha-alpha-positive, alpha-beta intraepithelial T cell CL0000915
    CSI 1.4
    rCSI 6.2%
    PRS 67.5%
  • pluripotent stem cell CL0002248
    CSI 1.4
    rCSI 41.2%
    PRS 50.5%
  • paneth cell of colon CL0009009
    CSI 1.4
    rCSI 13.6%
    PRS 56.6%
  • vasa recta ascending limb cell CL1001131
    CSI 1.4
    rCSI 6.4%
    PRS 63.4%
  • basal cell of prostate epithelium CL0002341
    CSI 1.4
    rCSI 4.1%
    PRS 48.5%
  • prostate gland microvascular endothelial cell CL2000059
    CSI 1.4
    rCSI 34.4%
    PRS 61.7%
  • thymocyte CL0000893
    CSI 1.4
    rCSI 5.1%
    PRS 65.6%
  • common lymphoid progenitor CL0000051
    CSI 1.5
    rCSI 1.9%
    PRS 45.8%
  • small pre-B-II cell CL0000954
    CSI 1.5
    rCSI 1.4%
    PRS 48.4%
  • centrilobular region hepatocyte CL0019029
    CSI 1.5
    rCSI 3.9%
    PRS 36.7%
  • cardiac muscle cell CL0000746
    CSI 1.6
    rCSI 2.3%
    PRS 19.7%
  • tendon cell CL0000388
    CSI 1.6
    rCSI 4.2%
    PRS 55.9%
  • renal principal cell CL0005009
    CSI 1.7
    rCSI 4.4%
    PRS 31.3%
  • mesodermal cell CL0000222
    CSI 1.8
    rCSI 2.1%
    PRS 24.5%
  • mature alpha-beta T cell CL0000791
    CSI 1.8
    rCSI 6.5%
    PRS 42.1%
  • glycinergic amacrine cell CL4030028
    CSI 1.8
    rCSI 4.8%
    PRS 25.1%
  • cytotoxic T cell CL0000910
    CSI 1.9
    rCSI 10.7%
    PRS 36.7%
  • bronchiolar smooth muscle cell CL4033017
    CSI 1.9
    rCSI 28.5%
    PRS 58.9%
  • lung endothelial cell CL1001567
    CSI 1.9
    rCSI 4.5%
    PRS 53.7%
  • memory T cell CL0000813
    CSI 2.0
    rCSI 3.9%
    PRS 54.1%
  • forebrain radial glial cell CL0013000
    CSI 2.1
    rCSI 6.6%
    PRS 34.3%
  • luminal cell of prostate epithelium CL0002340
    CSI 2.2
    rCSI 11.7%
    PRS 41.9%
  • enterocyte of epithelium of small intestine CL1000334
    CSI 2.2
    rCSI 34.2%
    PRS 55.3%
  • renal beta-intercalated cell CL0002201
    CSI 2.3
    rCSI 5.5%
    PRS 28.1%
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 2.4
    rCSI 25.3%
    PRS 30.9%
  • enteric smooth muscle cell CL0002504
    CSI 2.4
    rCSI 3.5%
    PRS 28.0%
  • large pre-B-II cell CL0000957
    CSI 2.5
    rCSI 7.0%
    PRS 40.5%
  • vasa recta descending limb cell CL1001285
    CSI 2.5
    rCSI 20.1%
    PRS 68.9%
  • late pro-B cell CL0002048
    CSI 2.6
    rCSI 6.4%
    PRS 59.6%
  • enteroendocrine cell of small intestine CL0009006
    CSI 2.6
    rCSI 5.6%
    PRS 37.4%
  • erythroid progenitor cell CL0000038
    CSI 2.6
    rCSI 15.1%
    PRS 36.2%
  • adipocyte CL0000136
    CSI 2.7
    rCSI 3.4%
    PRS 24.3%
  • neuroendocrine cell CL0000165
    CSI 2.9
    rCSI 11.0%
    PRS 45.6%
  • enteroendocrine cell of colon CL0009042
    CSI 3.0
    rCSI 13.8%
    PRS 55.4%
  • intrahepatic cholangiocyte CL0002538
    CSI 3.1
    rCSI 7.4%
    PRS 42.5%
  • retinal pigment epithelial cell CL0002586
    CSI 3.1
    rCSI 6.2%
    PRS 26.1%
  • myeloid dendritic cell CL0000782
    CSI 3.2
    rCSI 4.6%
    PRS 37.8%
  • enteroglial cell CL4040002
    CSI 3.2
    rCSI 17.0%
    PRS 38.9%
  • T-helper 1 cell CL0000545
    CSI 3.3
    rCSI 5.9%
    PRS 55.1%
  • podocyte CL0000653
    CSI 3.3
    rCSI 14.5%
    PRS 24.5%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 3.4
    rCSI 6.1%
    PRS 38.1%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 3.4
    rCSI 8.6%
    PRS 19.3%
  • activated type II NK T cell CL0000931
    CSI 3.4
    rCSI 3.9%
    PRS 39.6%
  • megakaryocyte CL0000556
    CSI 3.5
    rCSI 15.2%
    PRS 41.6%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 3.5
    rCSI 18.3%
    PRS 47.4%
  • serous secreting cell of bronchus submucosal gland CL4033005
    CSI 3.6
    rCSI 20.4%
    PRS 64.5%
  • natural T-regulatory cell CL0000903
    CSI 3.6
    rCSI 6.8%
    PRS 61.3%
  • lung ciliated cell CL1000271
    CSI 3.7
    rCSI 4.3%
    PRS 18.7%
  • myoepithelial cell CL0000185
    CSI 3.8
    rCSI 9.7%
    PRS 30.9%
  • type L enteroendocrine cell CL0002279
    CSI 3.8
    rCSI 7.2%
    PRS 46.6%
  • placental villous trophoblast CL2000060
    CSI 3.8
    rCSI 5.9%
    PRS 23.7%
  • intestinal tuft cell CL0019032
    CSI 3.9
    rCSI 5.9%
    PRS 28.8%
  • helper T cell CL0000912
    CSI 3.9
    rCSI 5.5%
    PRS 34.8%
  • foveolar cell of stomach CL0002179
    CSI 3.9
    rCSI 8.3%
    PRS 39.1%
  • respiratory epithelial cell CL0002368
    CSI 4.1
    rCSI 25.4%
    PRS 65.3%
  • glial cell CL0000125
    CSI 4.1
    rCSI 15.7%
    PRS 23.5%
  • stromal cell CL0000499
    CSI 4.2
    rCSI 11.8%
    PRS 31.3%
  • group 2 innate lymphoid cell CL0001069
    CSI 4.3
    rCSI 23.2%
    PRS 68.1%
  • type EC enteroendocrine cell CL0000577
    CSI 4.3
    rCSI 15.4%
    PRS 39.5%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 4.4
    rCSI 7.5%
    PRS 46.2%
  • keratocyte CL0002363
    CSI 4.5
    rCSI 10.8%
    PRS 36.1%
  • mesenchymal cell CL0008019
    CSI 4.6
    rCSI 11.6%
    PRS 24.7%
  • T-helper 17 cell CL0000899
    CSI 4.6
    rCSI 3.6%
    PRS 44.0%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 4.7
    rCSI 12.0%
    PRS 23.3%
  • P/D1 enteroendocrine cell CL0002268
    CSI 4.7
    rCSI 25.8%
    PRS 52.4%
  • bronchial goblet cell CL1000312
    CSI 4.8
    rCSI 19.0%
    PRS 49.1%
  • respiratory hillock cell CL4030023
    CSI 4.9
    rCSI 8.7%
    PRS 40.2%
  • early lymphoid progenitor CL0000936
    CSI 4.9
    rCSI 4.3%
    PRS 29.1%
  • erythroid lineage cell CL0000764
    CSI 4.9
    rCSI 31.6%
    PRS 49.4%
  • hepatic stellate cell CL0000632
    CSI 4.9
    rCSI 18.4%
    PRS 21.2%

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.

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 Keratinocyte-associated protein 2 ([KRTCAP2](/details-gene/200185)) is a protein-coding gene located on chromosome 1q22. Functionally, [KRTCAP2](/details-gene/200185) is recognized as a bona fide subunit of the oligosaccharyltransferase (OST) complex, an essential enzymatic machinery located in the endoplasmic reticulum ([Link](https://doi.org/10.1242/jcs.094599)). As part of this complex, it participates in protein N-linked glycosylation ([GO:0006487](https://www.ebi.ac.uk/QuickGO/term/GO:0006487)), a critical co-translational modification for many secreted and membrane-bound proteins. The expression profile of [KRTCAP2](/details-gene/200185) is consistent with this function, showing high significance in cells with a substantial secretory burden, most notably in [plasmablast](/details-cell/CL0000980)s, as well as various epithelial, endocrine, and progenitor cell types. ## Cellular Roles and Expression Landscape The **Overall** expression pattern of [KRTCAP2](/details-gene/200185) highlights its integral role in cellular protein processing, particularly in cell types characterized by high rates of protein synthesis and secretion. The gene demonstrates exceptional significance in professional secretory cells of the immune system. It is most prominently expressed in [plasmablast](/details-cell/CL0000980)s (CSI: 86.09) and [IgA plasma cell](/details-cell/CL0000987)s (CSI: 51.06), which are responsible for massive production of glycosylated antibodies. Its high CSI in [plasmacytoid dendritic cell, human](/details-cell/CL0001058) (CSI: 34.00) is also consistent with the role of these cells in secreting large amounts of type I interferons. A second major group of cells where [KRTCAP2](/details-gene/200185) is highly significant includes various epithelial and endocrine cells. This is evidenced by high CSI scores in [ciliated epithelial cell](/details-cell/CL0000067) (CSI: 68.54), [duct epithelial cell](/details-cell/CL0000068) (CSI: 45.68), and [fallopian tube secretory epithelial cell](/details-cell/CL4030006) (CSI: 36.34), all of which produce secreted proteins for luminal environments. Similarly, its importance in endocrine cells like the [pancreatic D cell](/details-cell/CL0000173) (CSI: 56.56) and [pancreatic A cell](/details-cell/CL0000171) (CSI: 37.83) underscores the necessity of proper glycosylation for hormone synthesis and function. Finally, [KRTCAP2](/details-gene/200185) shows significant expression in several progenitor and stem cell populations, including [granulocyte monocyte progenitor cell](/details-cell/CL0000557) (CSI: 53.76), [megakaryocyte-erythroid progenitor cell](/details-cell/CL0000050) (CSI: 34.40), and [hematopoietic stem cell](/details-cell/CL0000037) (CSI: 32.50). This suggests that robust N-glycosylation machinery is fundamental for the processes of cellular proliferation, differentiation, and the correct cell-surface presentation of receptors that guide lineage commitment. ## Pathways and Molecular Function The functional annotations for [KRTCAP2](/details-gene/200185) firmly place it within the core machinery of protein modification. It is a component of the [oligosaccharyltransferase complex](/details-go/GO0008250) ([GO:0008250](https://www.ebi.ac.uk/QuickGO/term/GO:0008250)), where it contributes to the biological process of [protein n-linked glycosylation](/details-go/GO0006487) ([GO:0006487](https://www.ebi.ac.uk/QuickGO/term/GO:0006487)). Studies have confirmed it as a key subunit that functions as a selective modulator of N-glycosylation efficiency in mammalian cells ([Link](https://doi.org/10.1242/jcs.103952)). Its annotated molecular function as an [enzyme activator](/details-go/GO0008047) ([GO:0008047](https://www.ebi.ac.uk/QuickGO/term/GO:0008047)) is consistent with its role as a non-catalytic subunit of the OST complex that modulates the activity of the catalytic STT3A/B subunits. Interestingly, beyond its general role in glycosylation, research has specifically implicated [KRTCAP2](/details-gene/200185) as a regulator of the gamma-secretase-directed processing of the Amyloid Precursor Protein (APP), suggesting a potential role in the pathophysiology of Alzheimer's disease ([Link](https://doi.org/10.1074/jbc.m111.249748)). ## Research Directions The widespread yet specific expression pattern of [KRTCAP2](/details-gene/200185) in highly active secretory and progenitor cells provides a foundation for several testable hypotheses. 1. **Hypothesis on Hematopoiesis:** Given its high significance in [hematopoietic stem cell](/details-cell/CL0000037)s and various progenitor cells, it is hypothesized that [KRTCAP2](/details-gene/200185) is a critical regulator of hematopoietic lineage commitment. Its activity may be essential for the proper N-glycosylation and subsequent surface expression or signaling function of key cytokine receptors (e.g., G-CSFR, M-CSFR, EPO-R), and its disruption could lead to impaired or skewed differentiation pathways. 2. **Hypothesis on Antibody Production:** The exceptional CSI score in [plasmablast](/details-cell/CL0000980)s suggests that [KRTCAP2](/details-gene/200185) expression levels may be a rate-limiting factor for high-volume, high-fidelity antibody production. We hypothesize that variation in [KRTCAP2](/details-gene/200185) levels directly impacts the glycosylation profile of secreted immunoglobulins, which in turn influences their stability, serum half-life, and effector functions (e.g., binding to Fc receptors). **Proposed Experimental Approach:** To test the role of [KRTCAP2](/details-gene/200185) in hematopoiesis (Hypothesis 1), a conditional knockout mouse model could be generated to specifically delete the gene in the hematopoietic compartment (e.g., using a Vav1-Cre system). Bone marrow from these mice could be analyzed via flow cytometry to assess progenitor populations and subjected to *in vitro* colony-forming unit (CFU) assays to quantify differentiation into myeloid, erythroid, and lymphoid lineages. Furthermore, glycoproteomic analysis of cell surface proteins from knockout versus wild-type progenitor cells could directly identify specific receptors whose glycosylation and trafficking are dependent on [KRTCAP2](/details-gene/200185). **Therapeutic Potential:** As a component of a fundamental cellular process, direct systemic inhibition of [KRTCAP2](/details-gene/200185) would likely cause significant toxicity. However, its crucial role in cells with an exceptionally high secretory load presents a therapeutic opportunity. In malignancies derived from such cells, like multiple myeloma (a cancer of plasma cells), tumor cells are under immense proteotoxic stress and are exquisitely dependent on the protein-folding and modification machinery of the ER. Therefore, inhibition of [KRTCAP2](/details-gene/200185) or the OST complex could represent a targeted strategy to selectively induce apoptosis in myeloma cells while sparing most normal tissues. This would position [KRTCAP2](/details-gene/200185) as a potential target for inhibition in specific oncological contexts.

Genular Protein ID: 2178979339

Symbol: KTAP2_HUMAN

Name: Keratinocyte-associated protein 2

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 12752121

Title: Identification of novel genes for secreted and membrane-anchored proteins in human keratinocytes.

PubMed ID: 12752121

DOI: 10.1046/j.1365-2133.2003.05244.x

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: 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: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 21768116

Title: DC2 and keratinocyte-associated protein 2 (KCP2), subunits of the oligosaccharyltransferase complex, are regulators of the gamma-secretase-directed processing of amyloid precursor protein (APP).

PubMed ID: 21768116

DOI: 10.1074/jbc.m111.249748

PubMed ID: 22266900

Title: Keratinocyte-associated protein 2 is a bona fide subunit of the mammalian oligosaccharyltransferase.

PubMed ID: 22266900

DOI: 10.1242/jcs.094599

PubMed ID: 22467853

Title: The oligosaccharyltransferase subunits OST48, DAD1 and KCP2 function as ubiquitous and selective modulators of mammalian N-glycosylation.

PubMed ID: 22467853

DOI: 10.1242/jcs.103952

PubMed ID: 23186163

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

PubMed ID: 23186163

DOI: 10.1021/pr300630k

Sequence Information:

  • Length: 136
  • Mass: 14679
  • Checksum: 090926F115D7532B
  • Sequence:
  • MVVGTGTSLA LSSLLSLLLF AGMQMYSRQL ASTEWLTIQG GLLGSGLFVF SLTAFNNLEN 
    LVFGKGFQAK IFPEILLCLL LALFASGLIH RVCVTTCFIF SMVGLYYINK ISSTLYQAAA 
    PVLTPAKVTG KSKKRN