Recombinant Human Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 3 (GCNT3)

Code CSB-CF009329HU
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Source in vitro E.coli expression system
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Product Details

Target Names
Uniprot No.
Alternative Names
GCNT3; Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 3; C2GnT-mucin type; C2GnT-M; hC2GnT-M; Core 2/core 4 beta-1,6-N-acetylglucosaminyltransferase; C2/4GnT
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Protein Length
full length protein
Tag Info
The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

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.
Gene References into Functions
  1. GCNT3 was regarded as an oncogene in non-small cell lung cancer, and a target of miR-302b-3p, which regulated cell proliferation, migration and invasion in a GCNT3-dependent manner and E-cadherin, N-cadherin, vimentin, cyclin D1 and p-Erk appeared to be downstream molecules of the miR-302b-3p/GCNT3 pathway. PMID: 30355927
  2. In this Molecular Pathways article, we briefly discuss the potential role of mucin synthesis in cancers, ways to improve drug delivery and disrupt mucin mesh to overcome chemoresistance by targeting mucin synthesis, and the unique opportunity to target the GCNT3 pathway for the prevention and treatment of cancers. PMID: 28039261
  3. This study provides the concepts toward the design of carbohydrate-dependent inhibition of EPEC and EHEC O157:H7 adhesion to human intestinal epithelial cells. PMID: 25701318
  4. In HeLa cells transiently expressing C2GnT-M-GFP, knockdown of KRT1 does not affect Golgi morphology but leaves C2GnT-M outside of the Golgi, resulting in the formation of sialyl-T antigen. PMID: 25605727
  5. low GCNT3 expression is a promising prognostic biomarker for colon cancer that could be used to identify early-stage colon cancer patients at high risk of relapse. PMID: 25466507
  6. Golgi fragmentation is accompanied by the increased association of NMIIA with C2GnT-M and its degradation by proteasomes. PMID: 23396488
  7. Data show that the Golgi docking of vesicular complexes (VCs) use different golgins for docking: C2GnT-M-carrying VC (C2GnT-M-VC) utilizes Giantin, whereas C1GalT1-VC employs GM130-GRASP65 complex. PMID: 22988244
  8. C2GnT2 KO mice have decreased mucosal barrier function in the digestive tract, reduced levels of circulating IgGs and fecal IgA, and increased susceptibility to experimental colitis PMID: 20816165
  9. EGF suppressed C2GnT activity in a time- and dose-dependent fashion, and also suppressed core 4 beta1,6 N-acetylglucosaminyltransferase (C4GnT) activity PMID: 12600830
  10. Frequently downregulated in colorectal cancer and suppresses colon cancer cell growth. PMID: 16418723
  11. Results describe the identification of the cis-regulatory elements of human C2GnT-M gene. PMID: 17303715

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Subcellular Location
Golgi apparatus membrane; Single-pass type II membrane protein.
Protein Families
Glycosyltransferase 14 family
Tissue Specificity
Primarily expressed in mucus-secreting tissues. Expressed in colon, kidney, small intestine, trachea, and stomach, where mucin is produced.
Database Links

HGNC: 4205

OMIM: 606836

KEGG: hsa:9245

STRING: 9606.ENSP00000379377

UniGene: Hs.194710

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