Recombinant Human Cyclin-dependent kinase 4 inhibitor C (CDKN2C)

Code CSB-YP005094HU
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Source Yeast
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Code CSB-EP005094HU
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Source E.coli
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Code CSB-EP005094HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP005094HU
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Source Baculovirus
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Code CSB-MP005094HU
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
CDK6 inhibitor p18; CDKN 2C; CDKN 6; Cdkn2c; CDKN6; CDN2C_HUMAN; Cyclin dependent inhibitor; Cyclin dependent kinase 4 inhibitor C; Cyclin dependent kinase 6 inhibitor; Cyclin dependent kinase 6 inhibitor p18; Cyclin dependent kinase inhibitor 2C (p18 inhibits CDK4); Cyclin dependent kinase inhibitor 2C; Cyclin-dependent kinase 4 inhibitor C; Cyclin-dependent kinase 6 inhibitor; INK4C; OTTHUMP00000046546; p18; p18 inhibits CDK4; p18 INK4c; p18 INK6; p18-INK4c; p18-INK6
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

Interacts strongly with CDK6, weakly with CDK4. Inhibits cell growth and proliferation with a correlated dependence on endogenous retinoblastoma protein RB.
Gene References into Functions
  1. Low P18 expression is associated with multiple endocrine neoplasia type 1-related pancreatic neuroendocrine tumors. PMID: 29134609
  2. Cycling hypoxia could induce significant changes in CLDN1 and CLDN7 expression in nasopharyngeal cancer cells, indirectly regulation P18 expression and affecting cell invasion/proliferation. PMID: 28055967
  3. genetic association studies in population in Houston TX: Data suggest that CDKN2C copy number variations are associated with sporadic medullary thyroid carcinoma; these associations include presence of distant metastasis at presentation and decreased overall survival. PMID: 27610696
  4. CDKN2C gene deletion is associated with plasma cell post-transplantation lymphoproliferative disorders. PMID: 27750397
  5. Our study suggests that p18 is a limiting factor for the noncanonical HSC differentiation path in lymphoid lineages. PMID: 27287689
  6. CDKN2C inactivation contributes to the leukemogenesis in acute promyelocytic leukemia. PMID: 27888400
  7. DNA methyltransferase 3A promotes cell proliferation by silencing CDK inhibitor p18INK4C in gastric carcinogenesis PMID: 26350239
  8. Data suggest that cell cycle-dependent kinase inhibitors CDKN2C/p18 and CDKN1A/p21 facilitate cell cycle entry/cell proliferation of quiescent adult human pancreatic beta cells in primary culture (from tissues obtained from organ donors). PMID: 26740620
  9. Mutations in CDKN2C is associated with sporadic parathyroid adenoma. PMID: 24127162
  10. Analysis of B1a lymphocyte phenotypes of p18-deficient C57BL/6 mice finds that p18 is a key regulator of the size of the B1a cell pool. PMID: 22896639
  11. up-regulated HULC promotes proliferation of hepatoma cells through suppressing p18 PMID: 22685290
  12. Data indicate that the role of CDKN2C in the adverse outcome of cases with hemizygous deletion was less certain. PMID: 21994415
  13. results demonstrate for the first time that N-Myc is a downstream target of RET2A signaling, and propose that induction of N-Myc by RET2A is a key step leading to lower p18 levels during MEN2A tumorigenesis PMID: 21112821
  14. conclude that E2F proteins and Sp1 play an important role in the control of p18 expression PMID: 12077144
  15. Deletions in the CDKN2C locus and hypermethylation in the CDKN2C promoter region play a role in ovarian granulosa cell tumorogenesis. PMID: 12203782
  16. p18INK4c may function as a tumor suppressor in Hodgkin lymphoma, and inactivation may contribute to cell cycle deregulation and defective terminal differentiation of the Reed-Sternberg cells. PMID: 14645011
  17. protein kinase C promotes human cancer cell growth through downregulation of p18(INK4c) PMID: 15107819
  18. p18(INK4C) loss may contribute to medulloblastoma formation in children PMID: 16260494
  19. oncogenic RET and loss of p18 cooperate in the multistep tumorigenesis of medullary thyroid carcinoma PMID: 18316595
  20. NaBu-mediated p18( INK4C ) regulation played a role in cell cycle arrest and erythroid differentiation in K562 cells. PMID: 18642058
  21. deletions of CDKN2C are important in the progression and clinical outcome of myeloma PMID: 18829482
  22. P18 is a tumor suppressor gene involved in human medullary thyroid carcinoma and pheochromocytoma PMID: 18942719
  23. Purpose was to investigate genetic alterations of CDKN2C gene in 38 pituitary adenomas. The absence of CDKN2C protein was correlated with LOH of the CDKN2C locus on chromosome 1 and with methylation of the CDKN2C promoter. PMID: 18973139
  24. The down-regulation of p18(INK4C) expression may contribute to the tumorigenesis of pituitary adenomas. PMID: 19401813
  25. p18(INK4C) is a downstream target of GATA3, constrains luminal progenitor cell expansion, and suppresses luminal tumorigenesis in the mammary gland PMID: 19411068
  26. Results identified a molecular basis for CDK inhibitors to exert an antitumor effect in p18-deficient cancers and support the clinical use of CDK inhibitors. PMID: 19509251

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Protein Families
CDKN2 cyclin-dependent kinase inhibitor family
Tissue Specificity
Highest levels found in skeletal muscle. Also found in pancreas and heart.
Database Links

HGNC: 1789

OMIM: 603369

KEGG: hsa:1031

STRING: 9606.ENSP00000262662

UniGene: Hs.525324

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