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AB252885

Anti-Strep-tag II antibody [11A7]

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(2 Publications)

Anti-Strep-tag II antibody [11A7] (ab252885) is a rat monoclonal antibody detecting Strep-tag II in Western Blot, IP, ICC/IF, ELISA.
5 Images
Immunocytochemistry/ Immunofluorescence - Anti-Strep-tag II antibody [11A7] (AB252885)
  • ICC/IF

Unknown

Immunocytochemistry/ Immunofluorescence - Anti-Strep-tag II antibody [11A7] (AB252885)

Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized Strep tag-GFP transfected HEK-293T cells labelling Strep Tag II with ab252885 at 1/250 dilution (3.808μg/ml), followed by ab150160 Goat Anti-rat IgG H&L (Alexa Fluor® 594) antibody at 1/1000 (2μg/ml) dilution (Green). Confocal image showing nuclear and cytoplasmic staining in HEK-293T cells transfected with GFP-tagged GluN1 zeta-1 expression vector. The nuclear counterstain was DAPI (Blue).

Secondary antibody only control : Secondary antibody is ab150160 Goat Anti-rat IgG H&L (Alexa Fluor® 594) at 1/1000 (2μg/ml) dilution.

Immunocytochemistry/ Immunofluorescence - Anti-Strep-tag II antibody [11A7] (AB252885)
  • ICC/IF

Lab

Immunocytochemistry/ Immunofluorescence - Anti-Strep-tag II antibody [11A7] (AB252885)

ab252885 staining Strep-tag II in Strep tag-GFP transfected HEK-293T cells. The cells were fixed with 4% paraformaldehyde and permeabilised in 0.1% Triton X-100. The cells were then incubated with ab252885 at 1/250 dilution, followed by ab150160 Goat Anti-Rat IgG H&L (Alexa Fluor® 594) antibody at 1/1000 dilution. Nucleus were visualized using DAPI. Confocal image showing nuclear and cytoplasmic staining in HEK-293T cells transfected with GFP-tagged GluN1 zeta-1 expression vector.

Immunoprecipitation - Anti-Strep-tag II antibody [11A7] (AB252885)
  • IP

Lab

Immunoprecipitation - Anti-Strep-tag II antibody [11A7] (AB252885)

Strep Tag II was immunoprecipitated from HEK-293T transfected with GFP expression vector containing a Strep Tag II whole cell lysate with ab252885 at 1/50 dilution. Western blot was performed on the immunoprecipitate using ab252885 at 1/1000 dilution. Goat Anti-rat IgG (H+L), HRP) (ab205720) was used at 1/10000 dilution. Lane 1(Input) : HEK-293T transfected with GFP expression vector containing a strep tag whole cell lysate 2 μg Lane 2 (+) : HEK-293T transfected with GFP expression vector containing a strep tag II whole cell lysate Lane 3 (-) : Rat monoclonal IgG2b (ab18541) instead of ab252885 in HEK-293T transfected with GFP expression vector containing a strep tag II whole cell lysate Observed MV : 26 kDa Blocking and dilution buffer and concentration : 5% NFDM/TBST.

All lanes:

Immunoprecipitation - Anti-Strep-tag II antibody [11A7] (ab252885) at 1/1000 dilution

Lane 1:

HEK-293T transfected with GFP expression vector containing a strep tag whole cell lysate at 2 µg

Lane 2:

HEK-293T transfected with GFP expression vector containing a strep tag II whole cell lysate

Lane 3:

Rat monoclonal IgG2b (<a href='/en-us/products/primary-antibodies/rat-igg2b-kappa-monoclonal-rtk4530-isotype-control-ab18541'>ab18541</a>) instead of ab252885 in HEK-293T transfected with GFP expression vector containing a strep tag II whole cell lysate

Secondary

All lanes:

Immunoprecipitation - Goat Anti-Rat IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rat-igg-h-l-hrp-ab205720'>ab205720</a>) at 1/10000 dilution

Observed band size: 26 kDa

false

Exposure time: 5s

Indirect ELISA - Anti-Strep-tag II antibody [11A7] (AB252885)
  • I-ELISA

Lab

Indirect ELISA - Anti-Strep-tag II antibody [11A7] (AB252885)

Indirect ELISA analysis of Strep tag II at 1000 ng/ml with ab252885 at 2000-0 ng/ml. An Alkaline Phosphatase-conjugated AffiniPure Goat Anti-Rat IgG (H+L) was used as the secondary antibody at 1/1000 dilution.

Western blot - Anti-Strep-tag II antibody [11A7] (AB252885)
  • WB

Lab

Western blot - Anti-Strep-tag II antibody [11A7] (AB252885)

Blocking and diluting buffer and concentration : 5% NFDM/TBST.

All lanes:

Western blot - Anti-Strep-tag II antibody [11A7] (ab252885) at 1/5000 dilution

All lanes:

strep-tagged standard marker at 2 µL

Secondary

All lanes:

Western blot - Goat Anti-Rat IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rat-igg-h-l-hrp-ab205720'>ab205720</a>) at 1/10000 dilution

Predicted band size: 1 kDa

false

Exposure time: 1s

  • Carrier free

    Anti-Strep-tag II antibody [11A7] - BSA and Azide free

Key facts

Host species

Rat

Clonality

Monoclonal

Clone number

11A7

Isotype

IgG2b

Light chain type

kappa

Carrier free

No

Applications

WB, ICC/IF, IP, I-ELISA

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "IP" : {"fullname" : "Immunoprecipitation", "shortname":"IP"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"}, "IELISA" : {"fullname" : "Indirect ELISA", "shortname":"I-ELISA"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Tag": { "IP-species-checked": "testedAndGuaranteed", "IP-species-dilution-info": "1/50", "IP-species-notes": "<p></p>", "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "1/5000", "WB-species-notes": "<p></p>", "IELISA-species-checked": "testedAndGuaranteed", "IELISA-species-dilution-info": "", "IELISA-species-notes": "<p>Use at 62.5 ng/mL.</p>", "ICCIF-species-checked": "testedAndGuaranteed", "ICCIF-species-dilution-info": "1/250", "ICCIF-species-notes": "<p></p>" } } }

Product details

What is this antibody validated in?
Anti-Strep-tag II antibody [11A7] (ab252885) is a rat recombinant monoclonal antibody and is validated for use in Western Blot (WB), Immunoprecipitation (IP), Immunocytochemistry/immunofluorescence (ICC/IF), ELISA. Tagged protein detection
Strep-tag II antibodies are used to visualize proteins labelled with this tag in a variety of applications.

Other related products
We have a range of other formats of antibody clone [11A7] also available for your convenience: ab252885, Carrier free - ab255890

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.

Want a custom formulation?
This antibody clone is manufactured by Abcam. If you require a custom buffer formulation or conjugation for your experiments, please contact orders@abcam.com

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Preservative: 0.01% Sodium azide Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Publications (2)

Recent publications for all applications. Explore the full list and refine your search

Viruses 16: PubMed39066171

2024

SARS-CoV-2 Accessory Protein ORF8 Targets the Dimeric IgA Receptor pIgR.

Applications

Unspecified application

Species

Unspecified reactive species

Frederique Laprise,Ariana Arduini,Mathew Duguay,Qinghua Pan,Chen Liang

Viruses 14: PubMed35746708

2022

SARS-CoV-2 Accessory Protein ORF8 Decreases Antibody-Dependent Cellular Cytotoxicity.

Applications

Unspecified application

Species

Unspecified reactive species

Guillaume Beaudoin-Bussières,Ariana Arduini,Catherine Bourassa,Halima Medjahed,Gabrielle Gendron-Lepage,Jonathan Richard,Qinghua Pan,Zhen Wang,Chen Liang,Andrés Finzi
View all publications

Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions

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