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. |
Source | N/A |
Isotype | IgG |
Clonality | Polyclonal |
Host | Sheep |
Gene | MKI67 |
Purity Statement | Antigen Affinity-purified |
Innovator's Reward | Test in a species/application not listed above to receive a full credit towards a future purchase. |
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Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS. |
Preservative | No Preservative |
Concentration | LYOPH |
Reconstitution Instructions | Sterile PBS to a final concentration of 0.2 mg/mL. |
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.
Images | Ratings | Applications | Species | Date | Details | ||||||||
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reviewed by:
Natalie Erdmann |
ICC | Human | 08/24/2015 |
Summary
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Secondary Antibodies |
Isotype Controls |
The relationship between Ki67 and HIF-1 in cancer Ki67, also known as MKI67, is best known as the leading marker of cellular proliferation. Ki67 is regulated by a balance between synthesis and degradation, and often carries a very short half-life. First discovered to be located to dividing cells,... Read full blog post. |
Ki67 - an established marker for labelling proliferating cells Ki-67/MKI67 is an antigen which is expressed during G1, S, G2, and M phases of the cell cycle (mitotically active cells), but not during G0 phase (resting cells). It is a large protein with expected molecular weight of about 395 kDa, and it has a v... Read full blog post. |
Ki67 - A Crucial Cellular Proliferation Marker The Ki67 antigen is a prototypic cell cycle-related protein expressed by proliferating cells in all phases of the active cell cycle (G1, S, G2 and M). It is a non-histone nuclear protein originally identified in a Hodgkin's lymphoma-derived cell line.... Read full blog post. |
The Ki67 Antibody in Cell Marker Studies The MK167, or Ki67 antibody recognizes a nuclear protein encoded by the MK167 gene. Ki167 is involved with RNA transcription and essential to cellular proliferation, being expressed by proliferating cells at all stages of the active cell cycle; it is ... Read full blog post. |
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