NK2 Homeobox 5 antibody

Catalog No. ABIN2856166

This independently validated Rabbit Polyclonal antibody specifically detects NK2 Homeobox 5 in WB, ICC, IF and IHC (p). It exhibits reactivity toward Human.

Quick Overview for NK2 Homeobox 5 antibody (ABIN2856166)

Target: NK2 Homeobox 5 (NKX2-5)

Reactivity: Human

Host: Rabbit

Clonality: Polyclonal

Conjugate: This NK2 Homeobox 5 antibody is un-conjugated

Application: Western Blotting (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (Paraffin-embedded Sections) (IHC (p))

Product Details anti-NK2 Homeobox 5 Antibody

Cross-Reactivity: Human, Mouse, Rat

Characteristics: Rabbit Polyclonal antibody to Nkx2.5 (NK2 transcription factor related, locus 5 (Drosophila))
Nkx2.5 antibody

Purification: Purified by antigen-affinity chromatography.

Immunogen: Recombinant protein encompassing a sequence within the center region of human Nkx2.5. The exact sequence is proprietary.

Isotype: IgG

Application Details

Application Notes: WB: 1:500-1:3000. ICC/IF: 1:100-1:1000. IHC-P: 1:100-1:1000. Optimal dilutions/concentrations should be determined by the researcher. Not tested in other applications.

Comment:

Validation: Comparison

Restrictions: For Research Use only

Independent Validation (CUT&RUN)

Validation #104602 (Cleavage Under Targets and Release Using Nuclease)

by: Cantù Lab, Gene Regulation during Development and Disease, Linköping University

No.: #104602

Date: 03/01/2026

Antigen: NKX2-5

Lot Number: 44986

Method validated: Cleavage Under Targets and Release Using Nuclease

Positive Control: Anti H3K4me3 (ABIN6971977)

Negative Control:

Guinea Pig anti-Rabbit IgG (Heavy & Light Chain) Antibody - Preadsorbed (ABIN101961)

Notes:

Passed. ABIN2856166 allows for NKX2-5 targeted digestion using CUT&RUN in human neuroendocrine cancer cells.

Validation Images

1. Alignment tracks from CUT&RUN targeting NKX2-5 in neuroendocrine cancer organoids using anti-NKX2-1 antibody ABIN2856166. 2. Positive Control: Alignment tracks from CUT&RUN targeting H3K3me3 in neuroendocrine cancer organoids using anti-H3K4me3 antibody ABIN6971977. 3. Negative Control: Alignment tracks from CUT&RUN targeting and unspecific IgG.

1. Alignment tracks from CUT&RUN targeting NKX2-5 in neuroendocrine cancer organoids using anti-NKX2-1 antibody ABIN2856166. 2. Positive Control: Alignment tracks from CUT&RUN targeting H3K3me3 in neuroendocrine cancer organoids using anti-H3K4me3 antibody ABIN6971977. 3. Negative Control: Alignment tracks from CUT&RUN targeting and unspecific IgG.

1. Alignment tracks from CUT&RUN targeting NKX2-5 in neuroendocrine cancer organoids using anti-NKX2-1 antibody ABIN2856166. 2. Positive Control: Alignment tracks from CUT&RUN targeting H3K3me3 in neuroendocrine cancer organoids using anti-H3K4me3 antibody ABIN6971977. 3. Negative Control: Alignment tracks from CUT&RUN targeting and unspecific IgG.

Full Methods

Primary Antibody: ABIN2856166

Full Protocol:

• Organoid dissociation into single cells and nuclear extraction. Harvest 200,000 neuroendocrine cancer (NEC) cells per sample. Collect cells in PBS with 0.1% BSA.
  • Centrifuge cell solution 5 min at 400 x g at RT. Remove the liquid carefully.
  • Gently resuspend cells in 1 mL of Nuclear Extraction Buffer (20 mM HEPES-KOH pH 8.2, 20% Glycerol, 0.05% IGEPAL, 0.5 mM Spermidine, 10 mM KCl, 1x PMSF).
  • Pellet the nuclei at 800 x g for 5 min. Repeat the NE washes for a total of three washes.
  • Resuspend the nuclei in 20 µL NE Buffer per sample.
• Concanavalin A beads preparation
  • Prepare 20 µL magnetic Concanavalin A Beads (antibodies-online, ABIN6923139) by three washes with 1 mL Binding Buffer (20 mM HEPES pH 7.5, 10 mM KCl, 1 mM CaCl₂, 1 mM MnCl₂). Gently resuspend the ConA Beads in a volume of Binding Buffer corresponding to the original volume of bead slurry, i.e. 20 µL per sample.
• Nuclei immobilization – binding to Concanavalin A beads
  • Carefully resuspend the nuclei suspension and add 20 µL of the ConA beads in Binding Buffer to the cell suspension for each sample. Let nuclei bind to beads for 15 min at 4 °C with rotation.
  • Remove the supernatant and resuspend the beads in 200 µL Wash Buffer per sample and divide the cell suspension into separate 200 µL PCR tubes, one for each sample, replicate, or antibody.
  • Remove the supernatant and resuspend the beads in 200 µL of EDTA wash buffer (20 mM HEPES pH 7.5, 150 mM NaCl, 0.5 mM Spermidine, 1x PMSF, 2 mM EDTA).
  • Incubate for 5 min at RT.
• Primary antibody binding
  • Prepare 200 µL antibody solution (Wash Buffer with 0.025% Digitonin, 2 mM EDTA, and 0.1% BSA) per sample.
  • Add 2 µL antibody to the respective tube, corresponding to a 1:100 dilution.
  • Incubate at 4 °C overnight.
  • Wash with 200 µL of Wash Buffer containing 0.025% Digitonin five times for a total of five washes.
• pAG-MNase binding
  • Prepare 200 µL/sample Wash Buffer containing 0.025% Digitonin and 120 ng pAG-MNase/sample. Resuspend beads in pAG-MNase premix.
  • Incubate for 45 min at 4 °C.
  • Wash with 200 µL of Wash Buffer containing 0.025% Digitonin five times for a total of five washes.
• MNase digestion and release of pAG-MNase-antibody-chromatin complexes
  • Place PCR tubes on ice and allow to chill.
  • Resuspend in 50 µL of prechilled 2 mM CaCl₂ in Wash Buffer mix and incubate on ice for exactly 30 min.
  • Add 3 µL EDTA [250 mM]–EGTA [250 mM] STOP-Mix per sample, and transfer prerelease into new tubes.
  • Resuspend the remaining beads in 50 µL of 1x Urea Buffer (8.5 M Urea, 100 mM NaCl, 2 mM EGTA, 2 mM EDTA, 0.5% IGEPAL).
  • Incubate the samples for 45 min at RT.
  • Remove the Urea release from the beads and combine it with the prerelease.
  • Inactivate the release by adding 96 µL 10 mM Tris, 2 µL 10% SDS, and 2 µL Proteinase K per sample and incubate at 50 °C for 1 h.
• DNA clean-up and sequencing
  • Clean up DNA by standard phenol-chloroform extraction with overnight precipitation.
  • Prepare libraries using KAPA HyperPrep Kit with KAPA Dual-Indexed adapters according to the protocol.
  • Sequence samples on an Illumina NextSeq 500 sequencer using a NextSeq 500/550 High Output Kit v2.5, 75 cycles, 36 bp PE.
• Alignment
  • Trim reads using BBTools BBDuk (BBMap, Bushnell B., sourceforge.net/projects/bbmap/) to remove adapters, artifacts, and repeat sequences.
  • Map aligned reads to the hg38 human genome using Bowtie with options -m 1 -v 0 -I 0 -X 500.
  • Use SAMtools to convert SAM files to BAM files and remove duplicates.
  • Use BEDTools genomecov to produce BedGraph files.

Handling

Format: Liquid

Concentration: 1.21 mg/mL

Buffer: 1XPBS, 20 % Glycerol ( pH 7), 0.025 % ProClin 300

Preservative: ProClin

Precaution of Use: This product contains ProClin: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.

Storage: 4 °C,-20 °C

Storage Comment: Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4°C. For long-term storage, aliquot and store at -20°C or below. Avoid multiple freeze-thaw cycles.

Target Details for NK2 Homeobox 5

Target: NK2 Homeobox 5 (NKX2-5)

Alternative Name: NK2 homeobox 5

Background: Homeobox-containing genes play critical roles in regulating tissue-specific gene expression essential for tissue differentiation, as well as determining the temporal and spatial patterns of development (Shiojima et al., 1995 [PubMed 7665173]). It has been demonstrated that a Drosophila homeobox-containing gene called 'tinman' is expressed in the developing dorsal vessel and in the equivalent of the vertebrate heart. Mutations in tinman result in loss of heart formation in the embryo, suggesting that tinman is essential for Drosophila heart formation. Furthermore, abundant expression of Csx, the presumptive mouse homolog of tinman, is observed only in the heart from the time of cardiac differentiation. CSX, the human homolog of murine Csx, has a homeodomain sequence identical to that of Csx and is expressed only in the heart, again suggesting that CSX plays an important role in human heart formation.[supplied by OMIM]

Cellular Localization: Nucleus

Molecular Weight: 35 kDa

Gene ID: 1482

UniProt: P52952

Pathways: Regulation of Muscle Cell Differentiation, Skeletal Muscle Fiber Development