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IF for Anti-Neurexin-2-beta [IPI-NRXN2b.9]

Addgene #237809

Data Submitted By
José Azevedo , Carlos Cação and Luís Ribeiro
Lab Name
Luís F. Ribeiro, University of Coimbra
Submission Date
October 23, 2025
Publication Date
November 10, 2025 (modified November 11, 2025)
DOI
https://doi.org/10.57733/addgene.z6kl2f
Abstract
HEK293T cell cultures expressing V5-tagged NRXN isoforms labeled with Anti-Neurexin-2-beta [IPI-NRXN2b.9] (Addgene #237809), Anti-V5, and Hoechst. IPI-NRXN2b.9 was tested in cells expressing alpha and beta isoforms of NRXN1, NRXN2, and NRXN3.
Citation
IF for Anti-Neurexin-2-beta [IPI-NRXN2b.9]. Azevedo J, Cação C, Ribeiro L 2025. Addgene Report, https://doi.org/10.57733/addgene.z6kl2f
Caption: Immunofluorescence cross-reactivity analysis in HEK293T cell cultures expressing V5-tagged NRXN isoforms labeled with Anti-Neurexin-2-beta [IPI-NRXN2b.9] (Addgene #237809), Anti-V5, and Hoechst. IPI-NRXN2b.9 was tested in cells expressing alpha and beta isoforms of NRXN1, NRXN2, and NRXN3.
Image attribution: Luís F. Ribeiro, PhD

This report is made available under the Creative Commons Attribution 4.0 International License.

Antibodies Used
Anti-Neurexin-2-beta [IPI-NRXN2b.9]
Addgene #237809
Donkey anti-Rabbit IgG (H+L) Highly Cross-Adsorbed Secondary Antibody, Alexa Fluor 647
Invitrogen #A31573

Materials & Methods

Sample

Target Species
Human
Cell / Tissue Type
HEK293T
Additional Information
HEK293T cells transfected with alpha and beta isoforms of NRXN1, NRXN2, and NRXN3.

Buffer

Name
PBS
pH
7.4

Fixative

Fixative
4% Paraformaldahyde, 4% Sucrose, in PBS
Time
15 min
Temperature
Room Temperature

Permeabilization

Agent
None

Blocking

Agent
BSA
Concentration
10% in PBS (3% BSA in PBS for secondary antibody dilution)
Time
60 min
Temperature
Room Temperature

Primary Antibody

Name
Anti-Neurexin-2-beta [IPI-NRXN2b.9]
Source
Addgene
Catalog Number
237809
Host Species
Rabbit
Target Antigen
NRXN2b
Concentration
1:100 from a stock solution of 1 mg/mL
Time
15 min
Temperature
Room Temperature
View in Addgene Catalog

Secondary Antibody

Name
Donkey anti-Rabbit IgG (H+L) Highly Cross-Adsorbed Secondary Antibody, Alexa Fluor 647
Source
Invitrogen
Catalog Number
A31573
Host Species
Donkey
Concentration
1:500 from a stock solution of 2 mg/mL
Conjugate
Alexa Fluor Plus 647
Time
60 min
Temperature
Room Temperature

Results

Result
Pass (The antibody worked under these conditions)
Describe Results
Recognizes NRXN2a and NRXN2b. Does not recognize other NRXNs.