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ORC2 antibody

Details for Product No. ABIN967641
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Antigen
Synonyms
CG3041, DmORC 2, DmORC2, DmOrc2, DmOrc2p, Dmel\\CG3041, ORC, ORC2, Orc-2, Orc2p, fs(3)293, fs(3)293-19, k43, l(3)88Ab, l(3)A5, l(3)K43, l(3)SG44, l(3)dsl5, l(3)k43, orc2, rDmORC, ATORC2, F13M22.6, F13 ... show more
CG3041, DmORC 2, DmORC2, DmOrc2, DmOrc2p, Dmel\\CG3041, ORC, ORC2, Orc-2, Orc2p, fs(3)293, fs(3)293-19, k43, l(3)88Ab, l(3)A5, l(3)K43, l(3)SG44, l(3)dsl5, l(3)k43, orc2, rDmORC, ATORC2, F13M22.6, F13M22_6, ORIGIN RECOGNITION COMPLEX SECOND LARGEST SUBUNIT 2, origin recognition complex second largest subunit 2, ORC2L, AU041563, Orc2l, orc2-a, orc2l, xorc2 show less
Reactivity
Human
(31), (4), (2), (1)
Host
Rabbit
(18), (11), (4)
Clonality
Polyclonal
Conjugate
Un-conjugated
(2), (2), (2), (2), (2), (2)
Application
Western Blotting (WB), Immunohistochemistry (Formalin-fixed Sections) (IHC (f))
(33), (17), (8), (7), (5), (3), (2), (1)
Pubmed 4 references available
Quantity 0.1 mL
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Catalog No. ABIN967641
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Characteristics 1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
2. Please refer to us for technical protocols.
3. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
Purification Purified from antiserum by negative adsorption and affinity chromatography.
Background DNA replication in eukaryotes takes place in multiple sites of origins of replication scattered throughout the genome. The origin recognition complex (ORC) is a multi-protein assemblage originally identified in S. cerevisiae budding yeast that binds to the ARS (autonomously replicating sequence) consensus, a DNA motif which is an essential part of yeast origins of replication. The ORC complex consists of six distinct polypeptides (ORC1-ORC6), all having similar homology and essential for viability. ORC binding has also been implicated in transcriptional silencing at certain yeast loci. Our current understanding of the initiation of DNA replication in eukaryotes is based on studies done in yeast, but recent work has identified ORC proteins in higher eukaryotes. Mammals have close protein homologs to the yeast ORC proteins which are believed to be essential components of the mammalian origin recognition complex and may play a widespread role in packaging chromosomal domains through interactions with heterochromatin-organizing factors. There is a striking preferential but not exclusive association of ORC2 with heterochromatin on interphase and mitotic chromosomes. In Drosophila, ORC2 is highly concentrated at foci along the apical surface of the interphase nuclei, consistent with the known localization of pericentric heterochromatin. Consistent with this localization, ORC1, ORC2, ORC5 and ORC6 are found in a complex.Additionally, ORC2 has been shown to co-immunoprecipitate with ORC4. ORC2 has a molecular weight of approximately 72 kD in western blot analysis.
Molecular Weight 72 kDa
Research Area Chromatin and Nuclear Signaling, DNA/RNA
Application Notes Applications include western blot analysis (1:2500-1:6000). HeLa cells (ATCC CCL-2) are suggested as a positive control.
Comment

Related Products: ABIN967390, ABIN968535

Restrictions For Research Use only
Format Liquid
Buffer Aqueous buffered solution.
Preservative Sodium azide
Precaution of Use This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Storage 4 °C
Supplier Images
anti-ORC2 antibody Western blot analysis of human ORC2. HeLa cell lysate was probed with anti-human ORC2 antibody at a dilution of 1:2500 (lane 1) or 1:5000 (lane 2). ORC2 is an ~72 kD protein.
anti-ORC2 antibody (2) anti-ORC2 antibody (Image 2)
Product cited in: Gavin, Hidaka, Stillman: "Conserved initiator proteins in eukaryotes." in: Science (New York, N.Y.), Vol. 270, Issue 5242, pp. 1667-71, 1996 (PubMed).

Takahara, Bong, Brevard et al.: "Mouse and human homologues of the yeast origin of replication recognition complex subunit ORC2 and chromosomal localization of the cognate human gene ORC2L." in: Genomics, Vol. 31, Issue 1, pp. 119-22, 1996 (PubMed).

Quintana, Hou, Thome et al.: "Identification of HsORC4, a member of the human origin of replication recognition complex." in: The Journal of biological chemistry, Vol. 272, Issue 45, pp. 28247-51, 1997 (PubMed).

Pak, Pflumm, Chesnokov et al.: "Association of the origin recognition complex with heterochromatin and HP1 in higher eukaryotes." in: Cell, Vol. 91, Issue 3, pp. 311-23, 1997 (PubMed).

Validation Images
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