Recombinant Proteins for SARS-CoV-2 Research
SARS-CoV-2 is an enveloped positive-strand RNA virus that consists of four structural proteins: spike (S) protein, envelope (E) protein, membrane (M) protein and nucleocapsid (N) protein. The spike protein is the most important surface protein of coronavirus. It mediates the entry of SARS-CoV-2 into human respiratory epithelial cells by interacting with the cell surface receptor angiotensin-converting enzyme 2 (ACE2).
BioCat provides a large selection of recombinant proteins for SARS-CoV-2 research including nucleocapsid protein, spike protein and angiotensin-converting enzyme 2.
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SARS-CoV-2 Spike Protein (S Protein)
The spike protein (S-protein) performs two primary tasks that aid in host infection: 1) mediates the attachment between the virus and host cell surface receptors, and 2) facilitates viral entry into the host cell by assisting in the fusion of the viral and host cell membranes.

S-protein domains
RBD = receptor binding domain; SP = signal peptide; SR = serine-arginine-rich; TM = transmembrane domain
Human CellExp™ Coronavirus Spike Protein (SARS-CoV-2), Recombinant | P1547-10-BV | 10 ug | 218.00 € |
Human CellExp™ Coronavirus Spike Protein (SARS-CoV-2), Recombinant | P1547-50-BV | 50 ug | 701.00 € |
Recombinant SARS-CoV-2 S1 Subunit Protein (full length) | 230-30161-10-RB | 10 ug | 271.00 € |
Recombinant SARS-CoV-2 Spike Protein, S1 Subunit (Val16 - Gln690) | 230-01101-100-RB | 100 ug | 323.00 € |
Recombinant SARS-CoV-2 Spike Protein, S1 Subunit (Val16 - Gln690) | 230-01101-500-RB | 500 ug | 845.00 € |
Recombinant SARS-CoV-2 Spike Protein, S1 Subunit (Val16 - Gln690) | 230-01101-1000-RB | 1000 ug | 1185.00 € |
Human CellExp™ Coronavirus Spike Protein (SARS-CoV-2, S1), Recombinant | P1524-10-BV | 10 ug | 315.00 € |
Recombinant SARS-CoV-2 S1 Subunit Protein with C-terminal His-tag, Transfected HEK293 Cell Culture Supernatant (Val16-Gln690) | 230-20407-200-RB | 200 ul | 228.00 € |
Recombinant SARS-CoV-2 Spike Protein S1 (His-tag) | P1540-10-BV | 10 ug | 210.00 € |
Recombinant SARS-CoV-2 Spike Protein S1 (His-tag) | P1540-50-BV | 50 ug | 733.00 € |
SARS-CoV-2 (COVID-19) S1 protein, His Tag | S1N-C52H3-100ug-AC | 100 ug | 457.00 € |
SARS-CoV-2 (COVID-19) S1 protein, His Tag | S1N-C52H3-1mg-AC | 1 mg | 2820.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (S1, His-tag), Recombinant | P1532-10-BV | 10 ug | 172.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (S1, His-tag), Recombinant | P1532-50-BV | 50 ug | 597.00 € |
SARS-CoV-2 (COVID-19) S1 protein, His Tag (MALS verified) | S1N-C52H4-100ug-AC | 100 ug | 529.00 € |
SARS-CoV-2 (COVID-19) S1 protein, His Tag (MALS verified) | S1N-C52H4-1mg-AC | 1 mg | 3259.00 € |
SARS-CoV-2 (COVID-19) S1 protein, Fc Tag | S1N-C5255-100ug-AC | 100 ug | 422.00 € |
SARS-CoV-2 (COVID-19) S1 protein, Fc Tag | S1N-C5255-1mg-AC | 1 mg | 2564.00 € |
Recombinant SARS-CoV-2 Spike Protein S1 (Fc tag) | P1541-10-BV | 10 ug | 210.00 € |
Recombinant SARS-CoV-2 Spike Protein S1 (Fc tag) | P1541-50-BV | 50 ug | 733.00 € |
SARS-CoV-2 (COVID-19) S1 protein, Mouse IgG2a Fc Tag | S1N-C5257-100ug-AC | 100 ug | 422.00 € |
SARS-CoV-2 (COVID-19) S1 protein, Mouse IgG2a Fc Tag | S1N-C5257-1mg-AC | 1 mg | 2564.00 € |
Biotinylated SARS-CoV-2 (COVID-19) S1 protein, His,Avitag™ (MALS verified) | S1N-C82E8-25ug-AC | 25 ug | 457.00 € |
Biotinylated SARS-CoV-2 (COVID-19) S1 protein, His,Avitag™ (MALS verified) | S1N-C82E8-200ug-AC | 200 ug | 1747.00 € |
Recombinant SARS-CoV-2, S1 Subunit Protein (RBD) | 230-30162-100-RB | 100 ug | 400.00 € |
Recombinant SARS-CoV-2, S1 Subunit Protein (RBD) | 230-30162-500-RB | 500 ug | 1318.00 € |
Recombinant SARS-CoV-2, S1 Subunit Protein (RBD) | 230-30162-1000-RB | 1000 ug | 1930.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (RBD), Recombinant | P1530-10-BV | 10 ug | 172.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (RBD), Recombinant | P1530-50-BV | 50 ug | 638.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (RBD 310-568), Recombinant | P1543-10-BV | 10 ug | 172.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (RBD 310-568), Recombinant | P1543-50-BV | 50 ug | 537.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (RBD, 331-524), Recombinant | P1544-10-BV | 10 ug | 172.00 € |
Human CellExp™ SARS-CoV-2 Spike Protein (RBD, 331-524), Recombinant | P1544-50-BV | 50 ug | 537.00 € |
Recombinant SARS-CoV-2 Spike Protein, S1 Subunit, Host Cell Receptor Binding Domain (RBD) (Arg319 - Phe541) | 230-01102-100-RB | 100 ug | 323.00 € |
Recombinant SARS-CoV-2 Spike Protein, S1 Subunit, Host Cell Receptor Binding Domain (RBD) (Arg319 - Phe541) | 230-01102-500-RB | 500 ug | 845.00 € |
Recombinant SARS-CoV-2 Spike Protein, S1 Subunit, Host Cell Receptor Binding Domain (RBD) (Arg319 - Phe541) | 230-01102-1000-RB | 1000 ug | 1185.00 € |
Recombinant SARS-CoV-2 S1 Subunit Protein (RBD) with C-terminal Mouse IgG Fc Tag | 230-30166-10-RB | 10 ug | 228.00 € |
Recombinant SARS-CoV-2 S1 Subunit Protein (RBD) with C-terminal Mouse IgG Fc Tag | 230-30166-50-RB | 50 ug | 442.00 € |
Recombinant SARS-CoV-2 S1 Subunit Protein (RBD) with C-terminal Fc tag, Transfected HEK293 Cell Culture Supernatant (Arg319-Phe541) | 230-20405-200-RB | 200 ul | 228.00 € |
Recombinant SARS-CoV-2 S1 Subunit Protein (RBD) with C-terminal His-tag, Transfected HEK293 Cell Culture Supernatant (Arg319-Phe541) | 230-20406-200-RB | 200 ul | 228.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (N354D, D364Y), His Tag | SPD-S52H3-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (N354D, D364Y), His Tag | SPD-S52H3-1mg-AC | 1 mg | 2865.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (V367F), His Tag | SPD-S52H4-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (V367F), His Tag | SPD-S52H4-1mg-AC | 1 mg | 2865.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (N354D), His Tag | SPD-S52H5-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (N354D), His Tag | SPD-S52H5-1mg-AC | 1 mg | 2865.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (W436R), His Tag | SPD-S52H7-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (W436R), His Tag | SPD-S52H7-1mg-AC | 1 mg | 2865.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (R408I), His Tag | SPD-S52H8-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) S protein RBD (R408I), His Tag | SPD-S52H8-1mg-AC | 1 mg | 2865.00 € |
SARS-CoV-2 (COVID-19) S protein RBD, Mouse IgG2a Fc Tag(MALS verified) | SPD-C5259-100ug-AC | 100 ug | 422.00 € |
SARS-CoV-2 (COVID-19) S protein RBD, Mouse IgG2a Fc Tag(MALS verified) | SPD-C5259-1mg-AC | 1 mg | 2564.00 € |
SARS-CoV-2 (COVID-19) S protein RBD, His Tag (MALS verified) | SPD-C52H3-100ug-AC | 100 ug | 422.00 € |
SARS-CoV-2 (COVID-19) S protein RBD, His Tag (MALS verified) | SPD-C52H3-1mg-AC | 1 mg | 2564.00 € |
SARS-CoV-2 (COVID-19) S protein RBD, Fc Tag (MALS verified) | SPD-C5255-100ug-AC | 100 ug | 457.00 € |
SARS-CoV-2 (COVID-19) S protein RBD, Fc Tag (MALS verified) | SPD-C5255-1mg-AC | 1 mg | 2820.00 € |
Biotinylated SARS-CoV-2 (COVID-19) S protein RBD, His,Avitag™ (MALS verified) | SPD-C82E9-25ug-AC | 25 ug | 554.00 € |
Biotinylated SARS-CoV-2 (COVID-19) S protein RBD, His,Avitag™ (MALS verified) | SPD-C82E9-200ug-AC | 200 ug | 1747.00 € |
Recombinant SARS-CoV-2 S2 Subunit Protein (full length) | 230-30163-10-RB | 10 ug | 495.00 € |
Recombinant SARS-CoV-2 Spike Protein, S2 Subunit (Met697 - Pro1213) | 230-01103-100-RB | 100 ug | 323.00 € |
Recombinant SARS-CoV-2 Spike Protein, S2 Subunit (Met697 - Pro1213) | 230-01103-500-RB | 500 ug | 845.00 € |
Recombinant SARS-CoV-2 Spike Protein, S2 Subunit (Met697 - Pro1213) | 230-01103-1000-RB | 1000 ug | 1185.00 € |
Human CellExp™ Coronavirus Spike Protein (SARS-CoV-2, S2), Recombinant | P1525-10-BV | 10 ug | 315.00 € |
Recombinant SARS-CoV-2 S2 Subunit Protein with C-terminal His-tag, Transfected HEK293 Cell Culture Supernatant (Met697-Pro1213) | 230-20408-200-RB | 200 ul | 228.00 € |
SARS-CoV-2 Spike-Membrane Recombinant Fusion Protein | TP701119-OR | 50 ug | 788.00 € |
RBD = receptor-binding domain
SARS-CoV-2 Nucleocapsid Protein (N Protein)
The nucleocapsid protein (N-protein, nucleoprotein) is a structural protein that binds to the coronavirus RNA genome, thus creating a shell (or capsid) around the enclosed nucleic acid. The N-protein also 1) interacts with the viral membrane protein during viral assembly, 2) assists in RNA synthesis and folding, 3) plays a role in virus budding, and 4) affects host cell responses, including cell cycle and translation.

N-protein domains
RBD = RNA binding domain; IDR = intrinsically disordered region; SR = serine-arginine-rich; NLS = nuclear localization signal.
Recombinant SARS-CoV-2 Nucleocapsid Protein | 230-30164-100-RB | 100 ug | 426.00 € |
Recombinant SARS-CoV-2 Nucleocapsid Protein | 230-30164-500-RB | 500 ug | 1530.00 € |
Recombinant SARS-CoV-2 Nucleocapsid Protein | 230-30164-1000-RB | 1000 ug | 2272.00 € |
SARS-CoV-2 (COVID-19) Nucleocapsid protein, His Tag | NUN-C5227-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) Nucleocapsid protein, His Tag | NUN-C5227-1mg-AC | 1 mg | 2865.00 € |
SARS-CoV-2 (COVID-19) Nucleocapsid protein, His Tag | NUN-C51H9-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) Nucleocapsid protein, His Tag | NUN-C51H9-1mg-AC | 1 mg | 2865.00 € |
Biotinylated SARS-CoV-2 (COVID-19) Nucleocapsid protein, His,Avitag™ | NUN-C81Q6-25ug-AC | 25 ug | 422.00 € |
Biotinylated SARS-CoV-2 (COVID-19) Nucleocapsid protein, His,Avitag™ | NUN-C81Q6-200ug-AC | 200 ug | 1564.00 € |
Recombinant SARS-CoV-2 Nucleocapsid Protein (Met1 - Ala419) | 230-01104-100-RB | 100 ug | 323.00 € |
Recombinant SARS-CoV-2 Nucleocapsid Protein (Met1 - Ala419) | 230-01104-500-RB | 500 ug | 845.00 € |
Recombinant SARS-CoV-2 Nucleocapsid Protein (Met1 - Ala419) | 230-01104-1000-RB | 1000 ug | 1185.00 € |
Recombinant SARS-CoV-2 Nucleocapsid Protein with C-terminal His-tag, Transfected HEK293 Cell Culture Supernatant (Met1-Ala419) | 230-20409-200-RB | 200 ul | 228.00 € |
Recombinant Coronavirus Nucleoprotein (SARS-CoV-2) | P1523-10-BV | 10 ug | 172.00 € |
Recombinant Coronavirus Nucleoprotein (SARS-CoV-2) | P1523-50-BV | 50 ug | 597.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430) | P1537-10-BV | 10 ug | 172.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430) | P1537-50-BV | 50 ug | 583.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430) | P1539-10-BV | 10 ug | 172.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430) | P1539-50-BV | 50 ug | 583.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430, His-tag) | P1536-10-BV | 10 ug | 172.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430, His-tag) | P1536-50-BV | 50 ug | 583.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430, His-tag) | P1538-10-BV | 10 ug | 172.00 € |
Recombinant SARS-CoV-2 Nucleoprotein (1-430, His-tag) | P1538-50-BV | 50 ug | 583.00 € |
SARS-CoV-2 Nucleocapsid Recombinant Biotinylated Protein | TP750180-B-OR | 50 ug | 315.00 € |
SARS-CoV-2 Recombinant Nucleocapsid Protein | TP750180-OR | 50 ug | 215.00 € |
SARS-CoV-2 Envelope Protein (E Protein)
The envelope protein (E-protein) is found in small quantities within the virus. It is most likely a transmembrane protein and with ion channel activity. The protein facilitates assembly and release of the virus and has other functions such as ion channel activity. It is not necessary for viral replication but it is for pathogenesis.
Recombinant Coronavirus Envelope Protein (SARS-CoV) | P1534-10-BV | 10 ug | 172.00 € |
Recombinant Coronavirus Envelope Protein (SARS-CoV) | P1534-50-BV | 50 ug | 597.00 € |
SARS-CoV-2 (COVID-19) Envelope protein, GST,His Tag | ENN-C5128-100ug-AC | 100 ug | 422.00 € |
SARS-CoV-2 (COVID-19) Envelope protein, GST,His Tag | ENN-C5128-1mg-AC | 1 mg | 2564.00 € |
SARS-CoV-2 Non-Structural Proteins
Recombinant SARS-CoV-2 3C-like Proteinase | P1550-10-BV | 10 ug | 172.00 € |
Recombinant SARS-CoV-2 3C-like Proteinase | P1550-50-BV | 50 ug | 597.00 € |
Recombinant SARS-CoV-2 Papain-like Protease | P1551-10-BV | 10 ug | 172.00 € |
Recombinant SARS-CoV-2 Papain-like Protease | P1551-50-BV | 50 ug | 597.00 € |
SARS-CoV-2 (COVID-19) Papain-like Protease Protein, His Tag (active enzyme) | PAE-C5148-100ug-AC | 100 ug | 1235.00 € |
SARS-CoV-2 (COVID-19) Papain-like Protease Protein, His Tag (active enzyme) | PAE-C5148-1mg-AC | 1 mg | 4055.00 € |
SARS-CoV-2 (COVID-19) NSP1 Protein, His Tag | NS1-C51H7-100ug-AC | 100 ug | 476.00 € |
SARS-CoV-2 (COVID-19) NSP1 Protein, His Tag | NS1-C51H7-1mg-AC | 1 mg | 2865.00 € |
SARS-CoV-2 (COVID-19) NSP7 Protein, His Tag (MALS verified) | NS7-C51H6-1mg-AC | 1 mg | 3613.00 € |
SARS-CoV-2 (COVID-19) NSP8 Protein, His Tag | NS8-C5149-100ug-AC | 100 ug | 1179.00 € |
SARS-CoV-2 (COVID-19) NSP8 Protein, His Tag | NS8-C5149-1mg-AC | 1 mg | 3613.00 € |
SARS-CoV-2 (COVID-19) NSP7&NSP8 Protein, His Tag | NS8-C5125-100ug-AC | 100 ug | 1205.00 € |
SARS-CoV-2 (COVID-19) NSP7&NSP8 Protein, His Tag | NS8-C5125-1mg-AC | 1 mg | 3612.00 € |
Angiotensin-converting Enzyme 2 (ACE2)
ACE2 is an endogenous membrane protein that enables COVID-19 infection. During infection, the extracellular peptidase domain of ACE2 binds to the receptor binding domain of spike protein, which is a surface protein on SARS-CoV-2.

Human ACE2 domains
SP = Signal peptide; TM = transmembrane domain; ID = Intracellular domain
Recombinant Human Angiotensin-converting Enzyme 2 (ACE2) | 230-30165-100-RB | 100 ug | 400.00 € |
Recombinant Human Angiotensin-converting Enzyme 2 (ACE2) | 230-30165-500-RB | 500 ug | 1318.00 € |
Recombinant Human Angiotensin-converting Enzyme 2 (ACE2) | 230-30165-1000-RB | 1000 ug | 1930.00 € |
Human CellExp™ Angiotensin-Converting Enzyme 2 (ACE2), Human Recombinant | P1535-10-BV | 10 ug | 210.00 € |
Human CellExp™ Angiotensin-Converting Enzyme 2 (ACE2), Human Recombinant | P1535-50-BV | 50 ug | 597.00 € |
Recombinant Human ACE2, Transfected HEK293 Cell Culture Supernatant (Gln18-Ser740) | 230-20410-200-RB | 200 ul | 228.00 € |
Human ACE2 / ACEH Protein, His Tag (MALS verified) | AC2-H52H8-50ug-AC | 50 ug | 1222.00 € |
Human ACE2 / ACEH Protein, His Tag (MALS verified) | AC2-H52H8-1mg-AC | 1 mg | 3835.00 € |
Human ACE2 / ACEH Protein, Fc Tag (MALS verified) | AC2-H5257-50ug-AC | 50 ug | 1205.00 € |
Human ACE2 / ACEH Protein, Fc Tag (MALS verified) | AC2-H5257-1mg-AC | 1 mg | 3620.00 € |
Biotinylated Human ACE2 / ACEH Protein, Fc,Avitag™ | AC2-H82F9-25ug-AC | 25 ug | 1159.00 € |
Biotinylated Human ACE2 / ACEH Protein, Fc,Avitag™ | AC2-H82F9-200ug-AC | 200 ug | 2470.00 € |
Biotinylated Human ACE2 / ACEH Protein, His,Avitag™ (MALS verified) | AC2-H82E6-25ug-AC | 25 ug | 1159.00 € |
Biotinylated Human ACE2 / ACEH Protein, His,Avitag™ (MALS verified) | AC2-H82E6-200ug-AC | 200 ug | 2470.00 € |
Cynomolgus ACE2 / ACEH Protein, His Tag | AC2-C52H7-50ug-AC | 50 ug | 1222.00 € |
Cynomolgus ACE2 / ACEH Protein, His Tag | AC2-C52H7-1mg-AC | 1 mg | 3835.00 € |
Recombinant Angiotensin I Converting Enzyme 2 (ACE2) | RPU40283-50-BM | 50 ug | 440.00 € |
Recombinant Angiotensin I Converting Enzyme 2 (ACE2) | RPU40283-100-BM | 100 ug | 539.00 € |
Recombinant Angiotensin I Converting Enzyme 2 (ACE2) | RPU40283-1000-BM | 1000 ug | 1930.00 € |
Mouse ACE2 / ACEH Protein, His Tag (MALS verified) | AC2-M5248-50ug-AC | 50 ug | 1222.00 € |
Mouse ACE2 / ACEH Protein, His Tag (MALS verified) | AC2-M5248-1mg-AC | 1 mg | 3835.00 € |
Recombinant Angiotensin I Converting Enzyme 2 (ACE2) | RPU54255-50-BM | 50 ug | 458.00 € |
Recombinant Angiotensin I Converting Enzyme 2 (ACE2) | RPU54255-100-BM | 100 ug | 562.00 € |
Recombinant Angiotensin I Converting Enzyme 2 (ACE2) | RPU54255-1000-BM | 1000 ug | 2012.00 € |
Rat ACE2 / ACEH Protein, His Tag (MALS verified) | AC2-R5246-50ug-AC | 50 ug | 1222.00 € |
Rat ACE2 / ACEH Protein, His Tag (MALS verified) | AC2-R5246-1mg-AC | 1 mg | 3835.00 € |
Paguma larvata ACE2 / ACEH Protein, His Tag (SPR verified) | AC2-P5248-50ug-AC | 50 ug | 1222.00 € |
Paguma larvata ACE2 / ACEH Protein, His Tag (SPR verified) | AC2-P5248-1mg-AC | 1 mg | 3835.00 € |
Angiotensin Converting Enzyme 2 (ACE2) Human Recombinant Protein | TP701115-OR | 50 ug | 788.00 € |
Recombinant protein of human angiotensin I converting enzyme (peptidyl-dipeptidase A) 2 (ACE2) | TP720353-OR | 10 ug | 300.00 € |