Semaphorin 3E Antibody [Unconjugated]

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Semaphorin 3E was detected in immersion fixed frozen sections of adult mouse brain using Goat Anti-Human Semaphorin 3E Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3239) at 10 µg/mL overnight at 4 °C. ...read more

Product Details

Summary
Reactivity Hu, MuSpecies Glossary
Applications WB, IHC, ICC/IF
Clonality
Polyclonal
Host
Goat
Conjugate
Unconjugated
Concentration
LYOPH

Order Details

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Catalog# & Formulation Size Price

Semaphorin 3E Antibody [Unconjugated] Summary

Immunogen
Mouse myeloma cell line NS0-derived recombinant human Semaphorin 3E
Thr25-Ser775 (Arg557Ala and Arg560Ala)
Accession # O15041
Specificity
Detects human Semaphorin 3E in direct ELISAs and Western blots. In direct ELISAs, less than 10% cross-reactivity with recombinant human (rh) Semaphorin 3A, rhSemaphorin 3C, rhSemaphorin 3F, and rhSemaphorin 3G is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
SEMA3E
Purity Statement
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Immunocytochemistry 5-15 ug/mL
  • Immunohistochemistry 5-15 ug/mL
  • Western Blot 0.1 ug/mL
Publications
Read Publications using
AF3239 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 either lyophilized or 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 Semaphorin 3E Antibody [Unconjugated]

  • (semaphorin) 3E
  • coll-5
  • KIAA0331M-SEMAH
  • sema domain, immunoglobulin domain (Ig), short basic domain, secreted
  • Sema3E
  • SEMAH
  • SEMAHM-SemaK
  • Semaphorin 3E
  • semaphorin-3E

Background

Semaphorin 3E (Sema3E; previously SemaH) is one of six Class 3 (secreted) semaphorins which in the human share 40-50% amino acid (aa) identity. Class 3 semaphorins are potent chemorepellents that function in axon guidance and/or vascular tip cell guidance during development (1). Sema3E is highly expressed by a subset of motor neurons in developing somites, where it acts as a repulsive cue for PlexinD1-expressing endothelial cells of adjacent intersomitic vessels (2, 3). Crystal structures of semaphorins reveal that the 500 aa N-terminal Sema domain forms a seven-blade b-propeller similar to that found in integrin molecules; 14 conserved cysteine residues and one or more N-glycosylation sites are thought critical for forming the secondary structure (4). C-terminal to the Sema domain, Sema3E has a consensus sequence for furin cleavage which, when used, creates a 61kDa form that does not dimerize and is highly expressed in tumor cell lines with metastatic potential (5, 6). Further C-terminal are a cysteine-knot plexin/semaphorin/integrin (PSI) domain, an Ig-like domain, a cysteine for dimerization and a basic domain containing another furin site. Dimerization and cleavage at the C-terminal site are required for repulsing activity of class 3 semaphorins (7). Human Sema3E shares 90%, 85% and 57% aa identity with mouse, cow and dog Sema3E, respectively. Like other semaphorins, Sema3E signaling is transduced by a transmembrane Plexin dimer, which also has a Sema domain and is coupled to kinase pathways. Unlike other Class 3 semaphorins, Sema3E binds directly to its plexin and does not require interaction with a neuropilin for activity (7). Genetic disruption of either Sema3E or PlexinD1 creates mouse mutants with excessive and disorganized vascular growth and branching, indicating the importance of this ligand-receptor pair for vascular guidance (3, 8).

  1. Eichmann, A. et al. (2005) Genes Dev. 19:1013.
  2. Cohen, S. et al. (2005) Eur. J. Neurosci. 21:1767.
  3. Gu, C. et al. (2005) Science 307:265.
  4. Gherardi, E. et al. (2004) Curr. Opin. Struct. Biol. 14:669.
  5. Christensen, C. et al. (1998) Cancer Res. 58:1238.
  6. Christensen, C. et al. (2005) Cancer Res. 65:6167.
  7. Adams, R. H. et al. (1997) EMBO J. 16:6077.
  8. Gitler, A. D. et al. (2004) Developmental Cell 7:107.

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 Semaphorin 3E Antibody (AF3239)(4)

We have publications tested in 2 confirmed species: Human, Mouse.

We have publications tested in 2 applications: IHC, Western Blot.


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(2)
Western Blot
(2)
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(1)
Mouse
(3)
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Bioinformatics

Gene Symbol SEMA3E
Uniprot