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ST6GALNAC1 ST6GALNAC1 A4GNT A4GNT GALNT8 GALNT8 GALNT5 GALNT5 GALNT7 GALNT7 GALNT1 GALNT1 TMPRSS15 TMPRSS15 GALNT10 GALNT10 MUC17 MUC17 C1GALT1C1 C1GALT1C1 MUCL1 MUCL1 B3GNT8 B3GNT8 GALNT14 GALNT14 GCNT4 GCNT4 ST8SIA3 ST8SIA3 GALNT9 GALNT9 GALNT6 GALNT6 GALNT2 GALNT2 GALNT12 GALNT12 MUC21 MUC21 MUC3A MUC3A MSLN MSLN GALNT3 GALNT3 GCNT3 GCNT3 MUC16 MUC16 C1GALT1 C1GALT1 MUC6 MUC6 MUC7 MUC7 MUC20 MUC20 GCNT1 GCNT1 GALNT11 GALNT11 MUC4 MUC4 ST3GAL1 ST3GAL1 MUC15 MUC15 GALNT4 GALNT4 MUC5B MUC5B MUC12 MUC12 MUC22 MUC22 GCNT7 GCNT7 B3GNT6 B3GNT6 MUC1 MUC1 MUC13 MUC13 MUC5AC MUC5AC C1GALT1C1L C1GALT1C1L MUC2 MUC2 MUC19 MUC19
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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ST6GALNAC1ST6 N-acetylgalactosaminide alpha-2,6-sialyltransferase 1. (600 aa)
A4GNTAlpha-1,4-N-acetylglucosaminyltransferase; Catalyzes the transfer of N-acetylglucosamine (GlcNAc) to core 2 branched O-glycans. Necessary for the synthesis of type III mucin which is specifically produced in the stomach, duodenum, and pancreatic duct. May protect against inflammation-associated gastric adenocarcinomas (By similarity). (340 aa)
GALNT8Probable polypeptide N-acetylgalactosaminyltransferase 8; Probably catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D- galactosamine residue to a serine or threonine residue on the protein receptor. (637 aa)
GALNT5Polypeptide N-acetylgalactosaminyltransferase 5; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has activity toward EA2 peptide substrate, but has a weak activity toward Muc2 or Muc1b substrates (By similarity). (940 aa)
GALNT7N-acetylgalactosaminyltransferase 7; Glycopeptide transferase involved in O-linked oligosaccharide biosynthesis, which catalyzes the transfer of an N-acetyl-D- galactosamine residue to an already glycosylated peptide. In contrast to other proteins of the family, it does not act as a peptide transferase that transfers GalNAc onto serine or threonine residue on the protein receptor, but instead requires the prior addition of a GalNAc on a peptide before adding additional GalNAc moieties. Some peptide transferase activity is however not excluded, considering that its appropriate peptide s [...] (657 aa)
GALNT1Polypeptide N-acetylgalactosaminyltransferase 1 soluble form; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has a broad spectrum of substrates for peptides such as EA2, Muc5AC, Muc1a, Muc1b and Muc7. (559 aa)
TMPRSS15Enteropeptidase non-catalytic heavy chain; Responsible for initiating activation of pancreatic proteolytic proenzymes (trypsin, chymotrypsin and carboxypeptidase A). It catalyzes the conversion of trypsinogen to trypsin which in turn activates other proenzymes including chymotrypsinogen, procarboxypeptidases, and proelastases. (1019 aa)
GALNT10Polypeptide N-acetylgalactosaminyltransferase 10; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has activity toward Muc5Ac and EA2 peptide substrates; Belongs to the glycosyltransferase 2 family. GalNAc-T subfamily. (603 aa)
MUC17Mucin-17; Probably plays a role in maintaining homeostasis on mucosal surfaces. (4493 aa)
C1GALT1C1C1GALT1-specific chaperone 1; Probable chaperone required for the generation of 1 O-glycan Gal-beta1-3GalNAc-alpha1-Ser/Thr (T antigen), which is a precursor for many extended O-glycans in glycoproteins. Probably acts as a specific molecular chaperone assisting the folding/stability of core 1 beta-3- galactosyltransferase (C1GALT1). (318 aa)
MUCL1Mucin-like protein 1; May play a role as marker for the diagnosis of metastatic breast cancer. (90 aa)
B3GNT8UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 8; Beta-1,3-N-acetylglucosaminyltransferase that plays a role in the elongation of specific branch structures of multiantennary N- glycans. Has strong activity towards tetraantennary N-glycans and 2,6 triantennary glycans. (397 aa)
GALNT14Polypeptide N-acetylgalactosaminyltransferase 14; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Displays activity toward mucin-derived peptide substrates such as Muc2, Muc5AC, Muc7, and Muc13 (-58). May be involved in O-glycosylation in kidney; Belongs to the glycosyltransferase 2 family. GalNAc-T subfamily. (557 aa)
GCNT4Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 4; Glycosyltransferase that mediates core 2 O-glycan branching, an important step in mucin-type biosynthesis. Does not have core 4 O- glycan or I-branching enzyme activity; Belongs to the glycosyltransferase 14 family. (453 aa)
ST8SIA3Sia-alpha-2,3-Gal-beta-1,4-GlcNAc-R:alpha 2,8-sialyltransferase; Catalyzes the transfer of sialic acid from a CMP-linked sialic acid donor onto the terminal sialic acid of an acceptor through alpha-2,8-linkages. Is active with alpha-2,3-linked, alpha-2,6-linked and alpha-2,8-linked sialic acid of N-linked oligosaccharides of glycoproteins and glycolipids. Displays preference for substrates with alpha-2,3-linked terminal sialic acid. It can form polysialic acid in vitro directly on alpha-2,3-, alpha-2,6-, or alpha-2,8-linked sialic acid; Belongs to the glycosyltransferase 29 family. (380 aa)
GALNT9Polypeptide N-acetylgalactosaminyltransferase 9; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Does not glycosylate apomucin or SDC3; Belongs to the glycosyltransferase 2 family. GalNAc-T subfamily. (603 aa)
GALNT6Polypeptide N-acetylgalactosaminyltransferase 6; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. May participate in synthesis of oncofetal fibronectin. Has activity toward Muc1a, Muc2, EA2 and fibronectin peptides. (622 aa)
GALNT2Polypeptide N-acetylgalactosaminyltransferase 2 soluble form; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has a broad spectrum of substrates for peptides such as EA2, Muc5AC, Muc1a, Muc1b. Probably involved in O-linked glycosylation of the immunoglobulin A1 (IgA1) hinge region. (571 aa)
GALNT12Polypeptide N-acetylgalactosaminyltransferase 12; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has activity toward non-glycosylated peptides such as Muc5AC, Muc1a and EA2, and no detectable activity with Muc2 and Muc7. Displays enzymatic activity toward the Gal-NAc-Muc5AC glycopeptide, but no detectable activity to mono-GalNAc-glycosylated Muc1a, Muc2, Muc7 and EA2. May play an important role in the initial step of mucin-type oligosaccharide biosynth [...] (581 aa)
MUC21Mucin-21; Mucin 21, cell surface associated. (566 aa)
MUC3AMucin-3A; Major glycoprotein component of a variety of mucus gels. Thought to provide a protective, lubricating barrier against particles and infectious agents at mucosal surfaces. May be involved in ligand binding and intracellular signaling. (3323 aa)
MSLNMegakaryocyte-potentiating factor; Membrane-anchored forms may play a role in cellular adhesion; Belongs to the mesothelin family. (630 aa)
GALNT3Polypeptide N-acetylgalactosaminyltransferase 3; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has activity toward HIV envelope glycoprotein gp120, EA2, Muc2 and Muc5. Probably glycosylates fibronectin in vivo. Glycosylates FGF23. Plays a central role in phosphate homeostasis. (633 aa)
GCNT3Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 3; Glycosyltransferase that can synthesize all known mucin beta 6 N-acetylglucosaminides. Mediates core 2 and core 4 O-glycan branching, 2 important steps in mucin-type biosynthesis. Has also I- branching enzyme activity by converting linear into branched poly-N- acetyllactosaminoglycans, leading to introduce the blood group I antigen during embryonic development. (438 aa)
MUC16Mucin-16; Thought to provide a protective, lubricating barrier against particles and infectious agents at mucosal surfaces. (14507 aa)
C1GALT1Glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase 1; Glycosyltransferase that generates the core 1 O-glycan Gal- beta1-3GalNAc-alpha1-Ser/Thr (T antigen), which is a precursor for many extended O-glycans in glycoproteins. Plays a central role in many processes, such as angiogenesis, thrombopoiesis and kidney homeostasis development; Belongs to the glycosyltransferase 31 family. Beta3-Gal-T subfamily. (363 aa)
MUC6Mucin-6; May provide a mechanism for modulation of the composition of the protective mucus layer related to acid secretion or the presence of bacteria and noxious agents in the lumen. Plays an important role in the cytoprotection of epithelial surfaces and are used as tumor markers in a variety of cancers. May play a role in epithelial organogenesis. (2439 aa)
MUC7Mucin-7; May function in a protective capacity by promoting the clearance of bacteria in the oral cavity and aiding in mastication, speech, and swallowing. Binds P.aeruginosa pili. (377 aa)
MUC20Mucin-20; May regulate MET signaling cascade. Seems to decrease hepatocyte growth factor (HGF)-induced transient MAPK activation. Blocks GRB2 recruitment to MET thus suppressing the GRB2-RAS pathway. Inhibits HGF-induced proliferation of MMP1 and MMP9 expression. (709 aa)
GCNT1Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase; Glycosyltransferase that catalyzes the transfer of an N- acetylglucosamine moiety onto mucin-type core 1 O-glycan to form the branched mucin-type core 2 O-glycan. Mucin-type core 2 O-glycans play an important role in leukocyte extravasation as they serve as scaffolds for the display of the selectin ligand sialyl Lewis X by leukocytes. (428 aa)
GALNT11Polypeptide N-acetylgalactosaminyltransferase 11; Polypeptide N-acetylgalactosaminyltransferase that catalyzes the initiation of protein O-linked glycosylation and is involved in left/right asymmetry by mediating O-glycosylation of NOTCH1. O- glycosylation of NOTCH1 promotes activation of NOTCH1, modulating the balance between motile and immotile (sensory) cilia at the left-right organiser (LRO). Polypeptide N-acetylgalactosaminyltransferases catalyze the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Displays the same enzyme a [...] (608 aa)
MUC4Mucin-4 alpha chain; May play a role in tumor progression. Ability to promote tumor growth may be mainly due to repression of apoptosis as opposed to proliferation. Has anti-adhesive properties. Seems to alter cellular behavior through both anti-adhesive effects on cell-cell and cell- extracellular matrix interactions and in its ability to act as an intramembrane ligand for ERBB2. Plays an important role in cell proliferation and differentiation of epithelial cells by inducing specific phosphorylation of ERBB2. The MUC4-ERBB2 complex causes site- specific phosphorylation of the ERBB2 ' [...] (5412 aa)
ST3GAL1CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1; Responsible for the synthesis of the sequence NeuAc-alpha- 2,3-Gal-beta-1,3-GalNAc- found on sugar chains O-linked to Thr or Ser and also as a terminal sequence on certain gangliosides. SIAT4A and SIAT4B sialylate the same acceptor substrates but exhibit different Km values; Belongs to the glycosyltransferase 29 family. (340 aa)
MUC15Mucin-15; May play a role in the cell adhesion to the extracellular matrix. (361 aa)
GALNT4Polypeptide N-acetylgalactosaminyltransferase 4; Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has a highest activity toward Muc7, EA2 and Muc2, with a lowest activity than GALNT2. Glycosylates 'Thr-57' of SELPLG; Belongs to the glycosyltransferase 2 family. GalNAc-T subfamily. (578 aa)
MUC5BMucin-5B; Gel-forming mucin that is thought to contribute to the lubricating and viscoelastic properties of whole saliva and cervical mucus. (5762 aa)
MUC12Mucin-12; Involved in epithelial cell protection, adhesion modulation, and signaling. May be involved in epithelial cell growth regulation. Stimulated by both cytokine TNF-alpha and TGF-beta in intestinal epithelium. (5335 aa)
MUC22Mucin-22; Mucin 22. (1773 aa)
GCNT7Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 7; Glycosyltransferase. (429 aa)
B3GNT6Acetylgalactosaminyl-O-glycosyl-glycoprotein beta-1,3-N-acetylglucosaminyltransferase; Beta-1,3-N-acetylglucosaminyltransferase that synthesizes the core 3 structure of the O-glycan, an important precursor in the biosynthesis of mucin-type glycoproteins. Plays an important role in the synthesis of mucin-type O-glycans in digestive organs; Belongs to the glycosyltransferase 31 family. (384 aa)
MUC1Mucin-1 subunit alpha; The alpha subunit has cell adhesive properties. Can act both as an adhesion and an anti-adhesion protein. May provide a protective layer on epithelial cells against bacterial and enzyme attack. (484 aa)
MUC13Mucin-13; Epithelial and hemopoietic transmembrane mucin that may play a role in cell signaling. (512 aa)
MUC5ACMucin-5AC; Gel-forming glycoprotein of gastric and respiratory tract epithelia that protects the mucosa from infection and chemical damage by binding to inhaled microorganisms and particles that are subsequently removed by the mucociliary system. Interacts with H.pylori in the gastric epithelium, Barrett's esophagus as well as in gastric metaplasia of the duodenum (GMD). (5654 aa)
C1GALT1C1LC1GALT1-specific chaperone 1-like protein; C1GALT1 specific chaperone 1 like. (315 aa)
MUC2Mucin-2; Coats the epithelia of the intestines, airways, and other mucus membrane-containing organs. Thought to provide a protective, lubricating barrier against particles and infectious agents at mucosal surfaces. Major constituent of both the inner and outer mucus layers of the colon and may play a role in excluding bacteria from the inner mucus layer. (131 aa)
MUC19Mucin-19; May function in ocular mucus homeostasis. (352 aa)
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, human, man
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