Our anti-SARS-CoV-2 N-protein control mAbs are ideal for ELISA, WB, and FACS research applications.

Additional IgG and IgM mAbs of comparable affinity are available beyond the selection listed here. For additional information, contact your account manager, or e-mail [email protected].

SARS-CoV-2 Nucleocapsid Protein mAbs
Quantity Mouse IgG Mouse IgM Rabbit IgG Human Chimeric
0.1 mg $279 $429 $375 $375
> 0.1 mg Get A Quote  

SARS-CoV-2 N-protein IgG mAbs

Clone ID Isotype Species Western Blot Pairing
3F9C12 IgG2b.K Mouse ++++ Yes
3H11C11 IgG1.K Mouse ++ Yes
4H2G1 IgG2b.K Mouse ++ Yes
7C6A9 IgG1.K Mouse + Yes
17A4B8 IgG1.K Mouse + Yes
18G4E8 IgG1.K Mouse + Yes
19D4F9 IgG2a.K Mouse +++ Yes
19H2B2 IgG1.K Mouse ++ Yes
23F2D10 IgG1.K Mouse +++ Yes
27A9D6 IgG2b.K Mouse +++ Yes

Please reach out to learn about the human chimeric SARS-CoV-2 Nucleocapsid IgG antibodies we have available.

Antibody Pairing

Pairing is available for all listed mouse N-protein IgG antibodies.

Coating Antibody Detection Antibody
3F9C12 4H2G1
3H11C11 4H2G1
4H2G1 N22HC
17A4B8 N22HC
18G4E8 N22HC
19H2B2 4H2G1 & 3F9C12
23F2D10 N22HC & 3F9C12
27A9D6 4H2G1
3H11C1 & 4H2G1-Biotin 1 mg/ml

Validation data

ELISA: Nucleocapsid protein IgG mAbs are high affinity, with EC50 range between 4 – 18 ng/ml.

All 10 mouse N-protein IgG clones are WB-validated

Western Blot: All 10 mouse N-protein IgG clones are WB-validated.

Observed size: COVID-19 Nucleocapsid Protein (NP) 50 kDa

M: Protein marker
Lanes 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34: 10 mg Sf9 lysate
Lanes 2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35: 10 mg NP-OE-Sf9 lysate
Lanes 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36: 20 ng COVID-19 NP
Primary antibody: 1 μg/ml
Secondary antibody: Anti-mouse IgG (H&L) Goat Antibody Peroxidase Conjugated

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Quotation and Ordering

Our customer service representatives are available 24 hours Monday through Friday. You may contact us anytime for assistance. Orders can be placed online, over the phone, by email or fax. Please have your payment information (credit card, purchase order or bank information) ready.

Fill out the online form and email to [email protected]
A Technical Account Manager will reply you within 24 hours to finalize the quote
To place order, provide credit card/PO information
Production of your project begins immediately
A Project Manager is in contact with you during the production process to give updates


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