ROBO2 Antibody (356001) [Alexa Fluor® 700]


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Product Details

Reactivity HuSpecies Glossary
Applications Flow
Alexa Fluor 700
Please see the vial label for concentration. If unlisted please contact technical services.

ROBO2 Antibody (356001) [Alexa Fluor® 700] Summary

Mouse myeloma cell line NS0-derived recombinant human ROBO2 isoform 1
Accession # Q9HCK4.2
Detects human ROBO2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross-reactivity with recombinant human (rh) ROBO1, rhROBO3, or rhROBO4 is observed.
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  • Flow Cytometry 0.25-1 ug/10^6 cells
Application Notes
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.

Packaging, Storage & Formulations

Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
0.09% Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.


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

Alternate Names for ROBO2 Antibody (356001) [Alexa Fluor® 700]

  • Drosophila) homolog 2
  • ROBO2
  • roundabout, axon guidance receptor, homolog 2 (Drosophila)
  • SAX3


Human ROBO2 is a 175 kDa member of the ROBO family of guidance molecules (1‑3). The term ROBO derives from round-about, a description of the circuitous pathway axons take in the absence of a functional ROBO gene (3, 4). Human ROBO2 is a type I transmembrane (TM) glycoptotein that is synthesized as a 1378 amino acid (aa) precursor. It contains a 21 aa signal sequence, an 838 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 498 aa cytoplasmic region (5, 6). The ECD contains five C2-type Ig-like domains (aa 31‑504) and three fibronectin (FN) type III domains (aa 522‑826). The cytoplasmic region contains multiple 15‑20 aa long CC (conserved cytoplasmic) motifs (C0‑C2) that are found in ROBO-1 (7, 8). Human ROBO2 has at least two potential isoforms. One isoform shows a cytoplasmic truncation of the C-terminus (aa 1186‑1378) (9). A second isoform is a 570 aa soluble form that shows a deletion of the first two and one-half C2-type Ig-like domains (aa 22‑285) and terminates after the third fibronectin domain with a unique 20 aa sequence (10). Based on mouse and rat ROBO2 GenBank sequences, considerably more alternate splice forms may occur. Human ROBO2 ECD shares 98% aa sequence identity with the ECD in mouse and canine ROBO2. ROBO2 would appear to play a number of roles in cell adhesion. In the neural tube, it is the receptor for a chemorepulsant. Axons that cross the midline are directed, presumably by ROBO2/SLIT chemorepulsion, to lateral positions in the contralateral spinal cord (6, 11, 12). In addition, ROBO2 is both permissive for neurite outgrowth (via ROBO1‑ROBO2 interaction) and inhibitory for neurite outgrowth (via ROBO2-SLIT interaction) (13, 14).

  1. Rajagopalan, S. et al. (2000) Neuron 28:767.
  2. Guthrie, S. (2004) Curr. Biol. 14:R632.
  3. Guthrie, S. (2001) Curr. Biol. 11:R300.
  4. Seeger, M. et al. (1993) Neuron 10:409.
  5. Kidd, T. et al. (1998) Cell 92:205.
  6. Nguyen Ba-Charvet, K.T. et al. (2001) J. Neurosci. 21:4281.
  7. Bashaw, G.J. et al. (2000) Cell 101:703.
  8. Jen, J.C. et al. (2004) Science 304:1509.
  9. GenBank Accession # Q9KCK4.
  10. Isogai, T. et al. (2002) GenBank Accession # AK074780.
  11. Mambetisaeva, E.T. et al. (2005) Dev. Dyn. 233:41.
  12. Long, H. et al. (2004) Neuron 42:213.
  13. Hivert, B. et al. (2002) Mol. Cell. Neurosci. 21:534.
  14. Lin, L. et al. (2005) Mol. Cell. Neurosci. 28:547.


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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Secondary Antibodies


Isotype Controls

Other Available Formats

Alexa Fluor 350 FAB3147U
Alexa Fluor 405 FAB3147V
Alexa Fluor 488 FAB3147G
Alexa Fluor 594 FAB3147T
Alexa Fluor 647 FAB3147R
Alexa Fluor 700 FAB3147N
Alexa Fluor 750 FAB3147S

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Gene Symbol ROBO2