| Field | Specification |
|---|---|
| Mfr No | |
| Clonality | |
| Host | |
| Immunogen | E.coli-derived human ORC2 recombinant protein (Position: E130-R493) was used as the immunogen for the ORC2 antibody. |
| Isotype | |
| Product Type | |
| Purity | |
| Reactivity | |
| Storage | |
| Target | |
| UniProt # |
Overview
ORC2 Antibody / Origin recognition complex subunit 2 is a anti-ORC2 Rabbit antibody Polyclonal (rabbit origin) supplied in Lyophilized format. Recommended for workflows such as Western blot (WB), Immunohistochemistry (IHC), Immunocytochemistry (ICC), Immunofluorescence (IF), Flow cytometry (FACS), ELISA with listed reactivity in Human, Mouse, Rat.
Key elements and design rationale
- Target: ORC2
- Antibody details: Rabbit, Polyclonal (rabbit origin), isotype Rabbit IgG
- Format: Lyophilized
- Applications (as listed): WB, IHC, ICC, IF, FACS, ELISA
Biological background
ORC2 is encoded by the ORC2 gene on human chromosome 2q23.1. The protein is approximately 577 amino acids long and functions as part of the core ORC complex with ORC1, ORC3, ORC4, ORC5, and ORC6. ORC2 contributes to the stability and chromatin association of the complex, anchoring it to replication origins during G1 phase. Its binding provides a platform for recruitment of CDC6, CDT1, and the MCM helicase complex required for origin licensing.
The ORC2 antibody detects a 72 kilodalton protein by western blot and demonstrates nuclear punctate staining consistent with replication foci. ORC2 remains bound to chromatin through most of the cell cycle, although its activity is regulated by phosphorylation and proteasomal turnover. Disruption of ORC2 function leads to replication defects, genomic instability, and cell cycle arrest.
In addition to replication initiation, ORC2 participates in heterochromatin organization and transcriptional silencing. ORC2 interacts with chromatin modifiers such as HP1 and histone methyltransferases to maintain heterochromatin boundaries. Deficiency of ORC2 causes chromosomal breaks and increased sensitivity to replication stress, linking replication initiation to genome integrity.
Because ORC2 is fundamental to DNA replication and chromatin architecture, it serves as a valuable marker for replication initiation studies.
Research relevance and current trends
- Connecting protein-level changes to phenotype using orthogonal readouts (genetic perturbation, transcriptomics, imaging).
- Considering isoforms and post-translational regulation when interpreting protein-level changes.
- Comparing results across species and model systems with matched controls.
Common research applications
- Western blotting: compare relative abundance and activation-state changes across conditions.
- Immunofluorescence: visualize subcellular distribution and cell-to-cell heterogeneity.
- Immunohistochemistry: map target signal in tissue context and compare regions/phenotypes.
- Flow cytometry: quantify target-positive populations and signal shifts at single-cell resolution.
- ELISA: support antibody-based quantification in assay formats where applicable.
Interpret changes in signal alongside appropriate controls and, when relevant, in parallel with total-protein or pathway readouts.
Notes for experimental interpretation
- Signal can reflect expression level, isoform composition, and post-translational state; interpret results in the context of your model system and stimuli.
- Species differences and sample matrices can influence epitope recognition; prioritize matched controls and orthogonal confirmation when feasible.
Antibody notes: Polyclonal antibodies recognize multiple epitopes, which can broaden the epitope footprint and may increase sensitivity in some contexts.
Customization & Add-ons: Can’t find the antibody you need—or require a custom format for your assay? We can help you source the best match or support custom antibody solutions for diverse research needs, including species and isotype selection, conjugations and labeling (e.g., HRP/AP, biotin, fluorophores), purification grade options (Protein A/G, affinity purified), formulation preferences (buffer selection, carrier-free, glycerol-free), custom concentrations and aliquoting, low-endotoxin options for cell-based work, and application-focused QC/validation support (project dependent). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.
