Ki67/MKI67 Antibody [Alexa Fluor® 647]

• Reactivity: Hu
• Applications: IHC, ICC/IF, KO
• Clonality: Polyclonal
• Host: Sheep
• Conjugate: Alexa Fluor 647

Ki67/MKI67 Antibody [Alexa Fluor® 647] Summary

• Immunogen: E. coli-derived recombinant human Ki67/MKI67
  Asn3120-Ile3256
  Accession # P46013
• Specificity: Detects human Ki67/MKI67 in direct ELISAs. In direct ELISAs, approximately 10% cross-reactivity with recombinant mouse Ki67/MKI67 is observed.
• Isotype: IgG
• Clonality: Polyclonal
• Host: Sheep
• Purity: Antigen Affinity-purified

Applications/Dilutions

• Dilutions:
  • Immunocytochemistry
  • Immunohistochemistry
  • Knockout Validated

Packaging, Storage & Formulations

• Storage: Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied
• Buffer: Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide
• Purity: Antigen Affinity-purified

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Ki67/MKI67 Antibody [Alexa Fluor® 647]

• antigen identified by monoclonal Ki-67
• Antigen Ki67
• antigen KI-67
• Ki67
• Ki-67
• KIA
• Marker Of Proliferation Ki-67
• MIB-
• MIB-1
• MKI67
• PPP1R105
• Proliferation Marker Protein Ki-67
• proliferation-related Ki-67 antigen
• Protein Phosphatase 1
• Regulatory Subunit 105
• TSG126

Background

MKI67 (also Ki67) is a 350-400 kDa nuclear protein that belongs to a molecular group comprised of mitotic chromosome-associated proteins. Ki67 was originally recognized as an antigen associated with the monoclonal Ki67 antibody raised against Hodgkin's lymphoma nuclear material. Ki67 is contextually expressed, being potentially found in all cells that are not in the Go phase of the cell cycle. Thus, MKI67 qualifies as a cell proliferation marker. Functionally, Ki67 is known to interact with 160 kDa Hklp2, a protein that promotes centrosome separation and spindle bipolarity. It also directly interacts with NIFK, and apparently binds to UBF, thus playing a role in rRNA synthesis. Human MKI67 is 3256 amino acids (aa) in length. It contains one FHA domain (aa 8-98), followed by at least 24 utilized Ser/Thr phosphorylation sites and sixteen 120 aa repeats (aa 1000-2928) that are interspersed with at least 90 additional utilized phosphorylation sites. There are two potential isoform variants. One isoform is 315-345 kDa in size and shows a deletion of aa 136-495, while a second isoform contains a 58 aa substitution for aa 1-513. Over aa 3120-3256, human Ki67 shares 46% aa sequence identity with the mouse ortholog to Ki67.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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