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Human Ki67 Antibody Pair - BSA and Azide free (ab256724)

Key features and details

  • Unconjugated capture and detector antibodies
  • Adaptable to any antibody pair-based assay format
  • Antibody concentration ~ 1 mg/ml
  • BSA and azide free buffer - ready for conjugation
  • Reacts with: Human

Overview

  • Product name

    Human Ki67 Antibody Pair - BSA and Azide free
    See all Ki67 kits

  • Assay type

    ELISA set

  • Range

    31.25 pg/ml - 2000 pg/ml

  • Species reactivity

    Reacts with: Human

  • Product overview

    The Antibody Pair can be used to quantify Human Ki67. BSA and Azide free antibody pairs include unconjugated capture and detector antibodies suitable for sandwich ELISAs. The antibodies are provided at an approximate concentration of 1 mg/ml as measured by the protein A280 method. The recommended antibody orientation is based on internal optimization for ELISA-based assays. Antibody orientation is assay dependent and needs to be optimized for each assay type. Both capture and detector antibodies are rabbit monoclonal antibodies delivering consistent, specific, and sensitive results.


    For additional information on the performance of the antibody pair, see the equivalent SimpleStep ELISA® Kit (ab253221), which uses the same antibodies. However, due to differences in their formulation, this antibody pair cannot be used with the consumables provided with our SimpleStep ELISA Kits. Please note that the range provided for the pairs is only an estimation based on the performance of the related product using the same antibody pair. Performance of the antibody pair will depend on the specific characteristics of your assay. We guarantee the product works in sandwich ELISA, but we do not guarantee the sensitivity or dynamic range of the antibody pair in your assay.


    Download SDS here.

  • Tested applications

    Suitable for: Sandwich ELISAmore details

  • Platform

    Reagents

Properties

  • Storage instructions

    Store at +4°C. Please refer to protocols.

  • Carrier free

    Yes
  • Components 10 x 96 tests
    Human Ki67 Capture Antibody (unconjugated) 1 x 100µg
    Human Ki67 Detector Antibody (unconjugated) 1 x 100µg

  • Research areas

  • Function

    Required to maintain individual mitotic chromosomes dispersed in the cytoplasm following nuclear envelope disassembly (PubMed:27362226). Associates with the surface of the mitotic chromosome, the perichromosomal layer, and covers a substantial fraction of the chromosome surface (PubMed:27362226). Prevents chromosomes from collapsing into a single chromatin mass by forming a steric and electrostatic charge barrier: the protein has a high net electrical charge and acts as a surfactant, dispersing chromosomes and enabling independent chromosome motility (PubMed:27362226). Binds DNA, with a preference for supercoiled DNA and AT-rich DNA (PubMed:10878551). Does not contribute to the internal structure of mitotic chromosomes (By similarity). May play a role in chromatin organization (PubMed:24867636). It is however unclear whether it plays a direct role in chromatin organization or whether it is an indirect consequence of its function in maintaining mitotic chromosomes dispersed.

  • Sequence similarities

    Contains 1 FHA domain.
    Contains 16 K167R repeats.
    Contains 1 PP1-binding domain.

  • Developmental stage

    Expression occurs preferentially during late G1, S, G2 and M phases of the cell cycle, while in cells in G0 phase the antigen cannot be detected (at protein level) (PubMed:6206131). Present at highest level in G2 phase and during mitosis (at protein level). In interphase, forms fiber-like structures in fibrillarin-deficient regions surrounding nucleoli (PubMed:2674163, PubMed:8799815).

  • Post-translational
    modifications

    Phosphorylated. Hyperphosphorylated in mitosis (PubMed:10502411, PubMed:10653604). Hyperphosphorylated form does not bind DNA.

  • Cellular localization

    Chromosome. Nucleus. Nucleus, nucleolus. Associates with the surface of the mitotic chromosome, the perichromosomal layer, and covers a substantial fraction of the mitotic chromosome surface (PubMed:27362226). Associates with satellite DNA in G1 phase (PubMed:9510506). Binds tightly to chromatin in interphase, chromatin-binding decreases in mitosis when it associates with the surface of the condensed chromosomes (PubMed:15896774, PubMed:22002106). Predominantly localized in the G1 phase in the perinucleolar region, in the later phases it is also detected throughout the nuclear interior, being predominantly localized in the nuclear matrix (PubMed:22002106).
  • Information by UniProt

  • Alternative names

    • Antigen identified by monoclonal antibody Ki 67
    • Antigen identified by monoclonal antibody Ki-67
    • Antigen KI-67
    • Antigen Ki67
    • KI67_HUMAN
    • 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
    • RP11-380J17.2
    see all

  • Database links

    Images

    • Sandwich ELISA - Human Ki67 Antibody Pair - BSA and Azide free (ab256724)
      Sandwich ELISA - Human Ki67 Antibody Pair - BSA and Azide free (ab256724)
      To learn more about the advantages of recombinant antibodies see here.

    Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES"
    For licensing inquiries, please contact partnerships@abcam.com

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