ZP4 Antibody (C-term)
Affinity Purified Rabbit Polyclonal Antibody (Pab)
- SPECIFICATION
- CITATIONS: 1
- PROTOCOLS
- BACKGROUND
Application ![]()
| WB, IHC-P, E |
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Primary Accession | Q12836 |
Other Accession | NP_067009.1 |
Reactivity | Human |
Host | Rabbit |
Clonality | Polyclonal |
Isotype | Rabbit IgG |
Calculated MW | 59400 Da |
Antigen Region | 445-474 aa |
Gene ID | 57829 |
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Other Names | Zona pellucida sperm-binding protein 4, Zona pellucida glycoprotein 4, Zp-4, Zona pellucida protein B, Processed zona pellucida sperm-binding protein 4, ZP4, ZPB |
Target/Specificity | This ZP4 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 445-474 amino acids from the C-terminal region of human ZP4. |
Dilution | WB~~1:2000 IHC-P~~1:10~50 |
Format | Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification. |
Storage | Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
Precautions | ZP4 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures. |
Name | ZP4 |
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Synonyms | ZPB |
Function | Component of the zona pellucida, an extracellular matrix surrounding oocytes which mediates sperm binding, induction of the acrosome reaction and prevents post-fertilization polyspermy. The zona pellucida is composed of 3 to 4 glycoproteins, ZP1, ZP2, ZP3, and ZP4. ZP4 may act as a sperm receptor. |
Cellular Location | [Processed zona pellucida sperm-binding protein 4]: Zona pellucida {ECO:0000250|UniProtKB:Q00193} |
Tissue Location | Expressed in oocytes. |

Provided below are standard protocols that you may find useful for product applications.
Background
The zona pellucida is an extracellular matrix that surrounds the oocyte and early embryo. It is composed primarily of three or four glycoproteins with various functions during fertilization and preimplantation development. The nascent protein contains a N-terminal signal peptide sequence, a conserved ZP domain, a consensus furin cleavage site, and a C-terminal transmembrane domain. It is hypothesized that furin cleavage results in release of the mature protein from the plasma membrane for subsequent incorporation into the zona pellucida matrix. However, the requirement for furin cleavage in this process remains controversial based on mouse studies. Previously, this gene has been referred to as ZP1 or ZPB and thought to have similar functions as mouse Zp1. However, a human gene with higher similarity and chromosomal synteny to mouse Zp1 has been assigned the symbol ZP1 and this gene has been assigned the symbol ZP4.
References
Rose, J.E., et al. Mol. Med. 16 (7-8), 247-253 (2010) :
McCauley, J.L., et al. Genes Immun. 10(7):624-630(2009)
Nakano, M., et al. Proc. Natl. Acad. Sci. U.S.A. 106(31):12838-12842(2009)
Choudhury, S., et al. J. Reprod. Immunol. 79(2):137-147(2009)
Chiu, P.C., et al. Biol. Reprod. 79(5):869-877(2008)

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