ErbB4/Her4 Antibody [Unconjugated]

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ErbB4/Her4 was detected in immersion fixed MCF‑7 human breast cancer cell line using Goat Anti-Human ErbB4/Her4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1131) at 10 µg/mL for 3 hours at room ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications WB, Flow, CyTOF-ready, ICC/IF
Clonality
Polyclonal
Host
Goat
Conjugate
Unconjugated
Concentration
LYOPH

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ErbB4/Her4 Antibody [Unconjugated] Summary

Immunogen
Mouse myeloma cell line NS0-derived recombinant human ErbB4/Her4
Gln26-Arg649
Accession # Q15303
Specificity
Detects human ErbB4/Her4 in direct ELISAs and Western blots. In direct ELISAs, approximately 25% cross‑reactivity with recombinant mouse ErbB4 is observed, and less than 1% cross-reactivity with recombinant human (rh) ErbB2, rhErbB3, and rhEGF R is observed.
Details of Functionality
ActivityAssaywCitation not found None None None
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
ERBB4
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Western Blot 0.1 ug/mL
  • Flow Cytometry 2.5 ug/10^6 cells
  • CyTOF-ready
  • Immunocytochemistry 5-15 ug/mL
Publications
Read Publication using
AF1131 in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for ErbB4/Her4 Antibody [Unconjugated]

  • avian erythroblastic leukemia viral (v-erb-b2) oncogene homolog 4
  • EC 2.7.10
  • EC 2.7.10.1
  • ErbB4
  • HER4
  • HER4MGC138404
  • p180erbB4
  • Proto-oncogene-like protein c-ErbB-4
  • receptor tyrosine-protein kinase erbB-4
  • Tyrosine kinase-type cell surface receptor HER4
  • v-erb-a avian erythroblastic leukemia viral oncogene homolog-like 4
  • v-erb-a erythroblastic leukemia viral oncogene homolog 4 (avian)

Background

ErbB4, also called Her4 (human epidermal growth factor receptor 4), is a type I membrane glycoprotein that is a member of the ErbB family of tyrosine kinase receptors. ErbB family members serve as receptors for the epidermal growth factor (EGF) family of growth factors. ErbB4 is expressed in normal skeletal muscle, heart, pituitary, brain, and several breast carcinomas. ErbB4 ligands include the neuregulins, beta-cellulin and heparin-binding EGF-like growth factor (HB-EGF). Monomeric ErbB4 binds its ligands with low affinity. Typically, heterodimerization with ErbB2 forms the high affinity receptor complex. However, ErbB4 has also been shown to heterodimerize with both ErbB1 and ErbB3. It has been suggested that the identity of the ligand may influence the dimerization partner. Because ErbB3 contains a defective kinase domain, the kinase domain of ErbB2 is responsible for initiating the tyrosine phosphorylation signal through the heterodimeric receptor. It has been found that a discrete three amino acid (aa) signal in the ErbB3 cytoplasmic domain is critical for transactivation of ErbB2. Interestingly, this same three amino acid signal has been found in ErbB4 and ErbB1 (EGF R). Several ErbB4 isoforms exist. Two of these differ in the presence of juxtamembrane extracellular sequences which regulate the ability of TACE (TNF-alpha converting enzyme) to proteolytically cleave ErbB4 from the cell surface. These isoforms exhibit tissue-specific expression. Another isoform lacks the phosphoinositide 3-kinase activation sequence present in the ErbB4 cytoplasmic domain. Human ErbB4 consists of 1308 amino acids with a 25 aa signal sequence, a 626 aa extracellular domain, a 24 aa transmembrane region, and a 633 aa cytoplasmic domain. ErbB4 appears to play important roles in neuronal development, development of the heart and cancer.

  1. Plowman, G.D. et al. (1993) Proc. Natl. Acad. Sci. USA 90:1746. 
  2. Elenius, K. et al. (1997) J. Biol. Chem. 272:26761.
  3. Elenius, K. et al. (1999) Oncogene 18:2607.
  4. Rio, C. et al. (2000) J. Biol. Chem. 275:10379.
  5. Emkey, R. and C.R. Kahn (1997) J. Biol. Chem. 272:31172.
  6. Sundaresan, S. et al. (1998) Endocrinology 139:4756.
  7. Schaefer, G. et al. (1999) J. Biol. Chem. 274:859.
  8. Schlessinger, J. (2000) Cell 103:211.
  9. Daly, R.J. (1999) Growth Factors 16:255.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for ErbB4/Her4 Antibody (AF1131)(1)

We have publications tested in 1 confirmed species: Mouse.

We have publications tested in 1 application: Neutralization.


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Biotin BAF1131

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Bioinformatics

Gene Symbol ERBB4
Uniprot