Anti-NP-I antibody [EPR25683-64] - BSA and Azide free
- BOND RX™ Validated
- RabMAb
- Recombinant
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Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (ab289990) is a rabbit recombinant monoclonal antibody provided in a PBS only buffer for easy conjugation detecting NP-I in Western Blot, Flow Cytometry (Intra), IP, IHC-P. Suitable for Human, Mouse, Rat.
- BSA, sodium azide, and glycerol-free for easy conjugation
- Biophysical QC for unrivalled batch-batch consistency
View Alternative Names
Neuronal pentraxin-1, NP1, Neuronal pentraxin I, NP-I, NPTX1
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Human cerebrum tissue labelling NP-I with ab289966 at 1/2000 followed by LeicaDS9800 (Bond™, Polymer Refine Detection). Positive staining on human cerebrum. The section was incubated with ab289966 for 30 mins at room temperature.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.
Secondary antibody only control : PBS instead of primary antibody, followed by LeicaDS9800 (Bond™, Polymer Refine Detection).
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Human cardiac muscle tissue labelling NP-I with ab289966 at 1/2000 followed by LeicaDS9800 (Bond™, Polymer Refine Detection). Negative control : no staining on human heart. The section was incubated with ab289966 for 30 mins at room temperature.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- Flow Cyt (Intra)
Lab
Flow Cytometry (Intracellular) - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Flow cytometric analysis of 4% paraformaldehyde fixed, 90% methanol permeabilized HeLa (Human cervix adenocarcinoma epithelial cell) cells labelling NP-I with ab289966 at 1/500 dilution (0.1ug) (Red) compared with a Rabbit monoclonal IgG (ab172730) (Black) isotype control and an unlabelled control (cells without incubation with primary antibody and secondary antibody) (Blue). A Goat Anti-Rabbit IgG (Alexa Fluor® 488, ab150081) at 1/2000 dilution was used as the secondary antibody.
- IP
Lab
Immunoprecipitation - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289990, the same antibody clone in a different buffer formulation.
NP-I was immunoprecipitated from HeLa (human cervix adenocarcinoma epithelial cell) whole cell lysate with ab2568364 at 1/30 dilution (2ug in 0.07mg lysates). Western blot was performed on the immunoprecipitate using anti npi antibody epr2568364 immunoprecipitation hela.jpg at 1/5000 dilution. Peroxidase IgG Fraction Monoclonal Mouse Anti-Rabbit IgG, light chain specific was used at 1/100000 dilution.
Lane 1 : HeLa (human cervix adenocarcinoma epithelial cell) whole cell lysate 2ug
Lane 2 : ab2568364 IP in HeLa whole cell lysate
Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab289966 in HeLa whole cell lysate
Blocking and dilution buffer and concentration : 5% NFDM/TBST.
Exposure time : 3.25 seconds
The 38KDa band might be NPTX1 fragmemts (PMID : 29501530).
All lanes:
Immunoprecipitation - Anti-NP-I antibody [EPR25683-64] (<a href='/en-us/products/primary-antibodies/np-i-antibody-epr25683-64-ab289966'>ab289966</a>)
Predicted band size: 47 kDa
Observed band size: 38 kDa,50 kDa
false
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Rat cerebrum tissue labelling NP-I with ab289966 at 1/2000 followed by LeicaDS9800 (Bond™, Polymer Refine Detection). Positive staining on rat cerebrum. The section was incubated with ab289966 for 30 mins at room temperature.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.
Secondary antibody only control : PBS instead of primary antibody, followed by LeicaDS9800 (Bond™, Polymer Refine Detection).
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Mouse cerebrum tissue labelling NP-I with ab289966 at 1/2000 followed by LeicaDS9800 (Bond™, Polymer Refine Detection) was used. Positive staining on mouse cerebrum. The section was incubated with ab289966 for 30 mins at room temperature.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.
Secondary antibody only control : PBS instead of primary antibody, followed by LeicaDS9800 (Bond™, Polymer Refine Detection).
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- IP
Lab
Immunoprecipitation - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
NP-I was immunoprecipitated from Mouse hypothalamus tissue lysate with ab289966 at 1/30 dilution (2ug in 0.175mg lysates). Western blot was performed on the immunoprecipitate using ab289966 at 1/5000 dilution. Peroxidase IgG Fraction Monoclonal Mouse Anti-Rabbit IgG, light chain specific was used at 1/100000 dilution.
Lane 1 : Mouse hypothalamus tissue lysate 5 ug
Lane 2 : ab289966 IP in Mouse hypothalamus tissue lysate
Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab289966 in Mouse hypothalamus tissue lysate
Blocking and dilution buffer and concentration : 5% NFDM/TBST.
Exposure time : 3.25 seconds
The 38KDa band might be NPTX1 fragmemts (PMID : 29501530).
All lanes:
Immunoprecipitation - Anti-NP-I antibody [EPR25683-64] (<a href='/en-us/products/primary-antibodies/np-i-antibody-epr25683-64-ab289966'>ab289966</a>)
Predicted band size: 47 kDa
Observed band size: 38 kDa,50 kDa
false
- WB
Lab
Western blot - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Blocking and diluting buffer and concentration : 5% NFDM/TBST
Exposure time : 10 seconds
All lanes:
Western blot - Anti-NP-I antibody [EPR25683-64] (<a href='/en-us/products/primary-antibodies/np-i-antibody-epr25683-64-ab289966'>ab289966</a>) at 1/1000 dilution
Lane 1:
HeLa (human cervix adenocarcinoma epithelial cell) transfected with scrambled siRNA control whole cell lysate at 16 µg
Lane 2:
HeLa transfected with siRNA specifically targeti NPTX1 whole cell lysate at 16 µg
Secondary
Lanes 1 - 2:
Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated at 1/100000 dilution
Lanes 1 - 2:
Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution
Predicted band size: 47 kDa
Observed band size: 50 kDa
false
- WB
Lab
Western blot - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Blocking and diluting buffer and concentration : 5% NFDM/TBST
NPTX1 is a glycosylated protein and can be deglycosylated by Protein Deglycosylation MIX II.
Negative control : human heart (PMID : 7695898)
Exposure time : 7.75 seconds
All lanes:
Western blot - Anti-NP-I antibody [EPR25683-64] (<a href='/en-us/products/primary-antibodies/np-i-antibody-epr25683-64-ab289966'>ab289966</a>) at 1/1000 dilution
Lane 1:
Human hypothalamus tissue lysate at 20 µg
Lane 2:
Human heart tissue lysate at 20 µg
Lane 3:
Untreated Human hypothalamus tissue lysate at 20 µg
Lane 4:
Human hypothalamus tissue lysate treated with Protein Deglycosylation MIX II at 20 µg
Secondary
Lanes 1 - 2:
Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution
Lanes 3 - 4:
Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution
Predicted band size: 47 kDa
Observed band size: 47 kDa,50 kDa
false
- WB
Lab
Western blot - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Blocking and diluting buffer and concentration : 5% NFDM/TBST
The expression profile/ molecular weight observed is consistent with what has been described in the literature (PMID : 29501530)
Exposure time : 15 seconds.
All lanes:
Western blot - Anti-NP-I antibody [EPR25683-64] (<a href='/en-us/products/primary-antibodies/np-i-antibody-epr25683-64-ab289966'>ab289966</a>) at 1/1000 dilution
Lane 1:
Mouse hypothalamus tissue lysate at 20 µg
Lane 2:
Mouse brain tissue lysate at 20 µg
Lane 3:
Rat brain tissue lysate at 20 µg
Lane 4:
Rat striatum tissue lysate at 20 µg
Secondary
All lanes:
Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution
Predicted band size: 47 kDa
Observed band size: 38 kDa,50 kDa
false
- WB
Lab
Western blot - Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (AB289990)
This data was developed using ab289966, the same antibody clone in a different buffer formulation.
Blocking and diluting buffer and concentration : 5% NFDM/TBST
Exposure times : Lane 1 : 1 seconds; Lane 2 : 180 seconds
All lanes:
Western blot - Anti-NP-I antibody [EPR25683-64] (<a href='/en-us/products/primary-antibodies/np-i-antibody-epr25683-64-ab289966'>ab289966</a>) at 1/1000 dilution
Lane 1:
His-tagged human NPTX1 recombinant protein, 10 ng
Lane 2:
His-tagged human NPTX2 recombinant protein, 10 ng
Secondary
All lanes:
Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution
Predicted band size: 47 kDa
Observed band size: 50 kDa
false
Related conjugates and formulations (1)
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Anti-NP-I antibody [EPR25683-64]
Reactivity data
Product details
What is this antibody validated in?
Anti-NP-I antibody [EPR25683-64] - BSA and Azide free (ab289990) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Flow Cytometry (Intra), Flow Cytometry (Flow Cyt), Immunoprecipitation (IP), Immunohistochemistry (IHC-P) in Human, Mouse, Rat samples.
What is the molecular weight of NP-I?
Anti-NP-I [EPR25683-64] - BSA and Azide free (ab289990) specifically detects a band for NP-I (UniProt: Q15818) at a molecular weight of 47kDa.
Other related products
We have a range of other formats of antibody clone [EPR25683-64] also available for your convenience: ab289966, Carrier free - ab289990
Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free batch production
For more information, read more on recombinant antibodies.
Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.
Properties and storage information
Form
Purification technique
Storage buffer
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
NP-I plays important roles in the life cycle of certain viruses. It associates with NP-TX1 another protein component to ensure effective assembly of the viral replication machinery. NP-I is also part of a complex that maintains the integrity of the viral RNA. It modulates host cell responses to viral infection by interacting with host cellular proteins impacting viral pathogenicity and replication efficiency.
Pathways
NP-I interacts with the RNA replication and transcription processes of viruses. It participates in the influenza virus life cycle pathway where NP protein coordinates with polymerase subunits like PB1 PB2 and PA to facilitate RNA synthesis. These interactions and pathways are critical for understanding how viruses exploit host cellular machinery to perpetuate their replication cycles. Specifically NP-I contributes to the assembly and regulation of viral RNA genomes within host cells.
Product protocols
- Visit the General protocols
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Target data
Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
For licensing inquiries, please contact partnerships@abcam.com