SignalChem Diagnostics offers an extensive array of COVID-19 related proteins, designed to support cutting-edge research in diagnostics, therapeutics, and vaccine development. Our product line includes various forms of the SARS-CoV-2 Spike protein, Nucleocapsid protein, non-structural proteins (NSPs), and key enzymes, as well as human proteins involved in virus-host interactions. These high-quality, recombinant proteins are carefully produced and validated to ensure optimal performance and consistency across a wide range of applications.
| Name | Catalog # | Source Organism | Expression Host Organism | Tag Type | Sequence |
| 2019-nCoV 3CLpro, Active | C19CL-G242H | 2019-nCoV (virus) | E. coli | His | full-length |
| 2019-nCoV 3CLpro, Active | C19CL-G241H | 2019-nCoV (virus) | E. coli | His | full-length |
| 2019-nCoV NSP10/NSP16 Methyltransferase, Active | C19NS-E301H | 2019-nCoV (virus) | E. coli | His | heterodimer of full length NSP10 (A4254-Q4392) and NSP16 (S6799-N7096) |
| 2019-nCoV NSP14 Methyltransferase, Active | C19NS-E311H | 2019-nCoV (virus) | E. coli | His | 5925-6452 |
| 2019-nCoV NSP7 Protein | C19N7-E541H | 2019-nCoV (virus) | E. coli | His | full-length |
| 2019-nCoV NSP8 Protein | C19N8-E541H | 2019-nCoV (virus) | E. coli | His | full-length |
| 2019-nCoV Nucleocapsid (N) Protein | C19NP-G242H | 2019-nCoV (virus) | E. coli | His | full-length |
| 2019-nCoV Nucleocapsid protein CTD | C19ND-G241H | 2019-nCoV (virus) | E. coli | His | 237-419 |
| 2019-nCoV PLpro, Active | C19PL-G241H | 2019-nCoV (virus) | E. coli | His | full-length |
| 2019-nCoV RdRp, Active | C19RP-G241H | 2019-nCoV (virus) | E. coli | His | full-length |
| 2019-nCoV Spike protein RBD (K417T, E484K, N501Y), HRP conjugated | C19SD-G231AD | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with K417T, E484K, N501Y, conjugated to HRP |
| 2019-nCoV Spike protein RBD (L452R, E484Q), HRP conjugated | C19SD-G231DD | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with L452R, E484Q, conjugated to HRP |
| 2019-nCoV Spike protein RBD (L452R, T478K), HRP conjugated | C19SD-G231FD | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with L452R, T478K, conjugated to HRP |
| 2019-nCoV Spike protein RBD (R346K, E484K, N501Y) | C19SD-G231NH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with R346K, E484K, N501Y |
| 2019-nCoV Spike protein RBD (Y449H, E484K, N501Y) | C19SD-G231PH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with Y449H, E484K, N501Y |
| 2019-nCoV spike protein RBD (E484K) | C19SD-G237H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with E484K |
| 2019-nCoV Spike protein RBD (E484Q) | C19SD-G231CH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with E484Q |
| 2019-nCoV Spike protein RBD (IHU) | C19SD-G231RH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with IHU – R346S, N394S, Y449N, E484K, F490S, N501Y |
| 2019-nCoV Spike protein RBD (K417N) | C19SD-G236H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with K417N |
| 2019-nCoV Spike protein RBD (K417N, E484K, N501Y) (Beta variant) | C19SD-G232H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with K417N, E484K, N501Y |
| 2019-nCoV Spike protein RBD (K417N, E484K, N501Y), HRP conjugated | C19SD-G232D | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with K417N, E484K, N501Y, conjugated to HRP |
| 2019-nCoV Spike protein RBD (K417N, L452R, T478K) | C19SD-G231LH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with K417N, L452R, T478K |
| 2019-nCoV Spike protein RBD (K417T) | C19SD-G239H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with K417T |
| 2019-nCoV Spike protein RBD (K417T, E484K and N501Y) | C19SD-G231AH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with K417T, E484K, N501Y |
| 2019-nCoV Spike protein RBD (L452Q, F490S) | C19SD-G231MH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with L452Q, F490S |
| 2019-nCoV Spike protein RBD (L452R) | C19SD-G235H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with L452R |
| 2019-nCoV spike protein RBD (L452R, E484Q) | C19SD-G231DH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with L452R, E484Q |
| 2019-nCoV Spike Protein RBD (L452R, T478K) | C19SD-G231FH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with L452R T478K |
| 2019-nCoV Spike protein RBD (N439K) | C19SD-G233H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with N439K |
| 2019-nCoV Spike protein RBD (N440K) | C19SD-G231EH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with N440K |
| 2019-nCoV Spike protein RBD (N501Y) | C19SD-G231H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with N501Y |
| 2019-nCoV Spike protein RBD (N501Y), HRP conjugated | C19SD-G231D | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with N501Y, conjugated to HRP |
| 2019-nCoV Spike protein RBD (S477G) | C19SD-G231BH | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with S477G |
| 2019-nCoV Spike protein RBD (S477N) | C19SD-G238H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with S477N |
| 2019-nCoV Spike protein RBD (Y453F) | C19SD-G234H | 2019-nCoV (virus) | CHO cells | His | RBD (319-541) with Y453F |
| 2019-nCoV Spike protein RBD, HRP conjugated | C19SD-G241D | 2019-nCoV (virus) | CHO cells | His | 319-541, conjugated to HRP |
| 2019-nCoV Spike protein RBD, Fc Tag | C19SD-G241F | 2019-nCoV (virus) | CHO cells | Fc | 319-541 |
| 2019-nCoV Spike protein RBD, HIS Tag | C19SD-G241H | 2019-nCoV (virus) | CHO cells | His | 319-541 |
| 2019-nCoV Spike protein S1 (T19R, Δ157-158, L452R, T478K, D614G, P681R) | C19S1-G231FH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with T19R, Δ157-158, L452R, T478K, D614G, P681R |
| 2019-nCoV Spike protein S1 (T95I, Y144T, Y145S, ins146N, R346K, E484K, N501Y, D614G, P681H) | C19S1-G231MH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with T95I, Y144T, Y145S, ins146N, R346K, E484K, N501Y, D614G, P681H |
| 2019-nCoV Spike protein S1 (A222V) | C19S1-G233H | 2019-nCoV (virus) | CHO cells | His | (16-685) with A222V |
| 2019-nCoV Spike protein S1 (A222V, D614G) | C19S1-G235H | 2019-nCoV (virus) | CHO cells | His | (16-685) with A222V, D614G |
| 2019-nCoV Spike protein S1 (D614G) | C19S1-G231H | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with D614G |
| 2019-nCoV Spike protein S1 (IHU) | C19S1-G231RH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with IHU E96Q, Δ136-144, R190S, D215H, R346S, N394S, Y449N, E484K, F490S, N501Y, D614G, P681H |
| 2019-nCoV Spike protein S1 (K417N, E484K, N501Y, D614G) | C19S1-G238H | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with K417N, E484K, N501Y,D614G |
| 2019-nCoV Spike protein S1 (L452R, E484Q, D614G, P681R) | C19S1-G231EH | 2019-nCoV (virus) | CHO cells | His | (16-685) with L452, E484Q, D614Q, P681R |
| 2019-nCoV Spike protein S1 (N501Y, D614G) | C19S1-G236H | 2019-nCoV (virus) | CHO cells | His | (16-685) with N501Y, D614G |
| 2019-nCoV Spike protein S1 (P681H) | C19S1-G232H | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with P681H |
| 2019-nCoV Spike protein S1 (T19R, G142D, del157-158, L452R, T478K, D614G, P681R) | C19S1-G231LH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with T19R, G142D, Δ157-158,L452R, T478K, D614G, P681R |
| 2019-nCoV Spike protein S1 (T95I, G142D, E154K, L452R, E484Q, D614G, P681R) | C19S1-G231KH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with T95I, G142D, E154K, L452R, E484Q, D614G, P681R |
| 2019-nCoV Spike protein S1 (Δ69-70 Δ144 N501Y A570D D614G P681H) | C19S1-G239H | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with Δ69-70 Δ144 N501Y A570D D614G P681H |
| 2019-nCoV Spike protein S1 (Δ69-70) | C19S1-G234H | 2019-nCoV (virus) | CHO cells | His | (16-685) with Δ69-70 |
| 2019-nCoV Spike protein S1 (Δ69-70, N439K, D614G) | C19S1-G231BH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with Δ69-70, N439K, D614G |
| 2019-nCoV Spike protein S1 (Δ69-70, N501Y, D614G) | C19S1-G237H | 2019-nCoV (virus) | CHO cells | His | (16-685) with Δ69-70, N501Y, D614G |
| 2019-nCoV Spike protein S1 (Δ69-70, Y453F, D614G) | C19S1-G231AH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with Δ69-70, Y453F, D614G |
| 2019-nCoV spike protein S1 (ΔY145, ΔH146, E484K, D614G) | C19S1-G231DH | 2019-nCoV (virus) | CHO cells | His | S1(16-685) with ΔY145, ΔH146, E484K, D614G |
| 2019-nCoV Spike protein S1, Fc Tag | C19S1-G241F | 2019-nCoV (virus) | CHO cells | Fc | 16-685 |
| 2019-nCoV Spike protein S1, HIS Tag | C19S1-G241H | 2019-nCoV (virus) | CHO cells | His | 16-685 |
| 2019-nCoV Spike protein S2, Fc Tag | C19S2-G241F | 2019-nCoV (virus) | CHO cells | Fc | 686-1212 |
| 2019-nCoV Spike RBD-N Protein Chimera | C19NSD-G242H | 2019-nCoV (virus) | CHO cells | His | 2019-nCoV’s N-terminal Spike S1 RBD (319-541) fused to Nucleocapsid (237-419) protein with a linker HSA (human serum albumin) |
| ACE2 (18-739) Protein | A53C2-G341F | dog | CHO cells | Fc | 18-739 |
| ACE2 (18-740) Protein | A52C2-G341F | rat | CHO cells | Fc | 18-740 |
| ACE2 (19-740) Protein | A51C2-G341F | human | CHO cells | Fc | 19-740 |
| CD147 (22-205) Protein | C81D7-G651F | human | CHO cells | Fc | 22-205 |
| CD147 (22-205) Protein | C81D7-G651H | human | CHO cells | His | 22-206 |
| DPP4 (29-766) Protein | DP4CD-G441H | human | CHO cells | His | 29-766 |
| MERS Spike Protein RBD | MERSD-G241F | MERS-CoV (virus) | CHO cells | Fc | 377-588 |
| SARS-CoV Spike Protein RBD | SARSD-G241F | SARS-CoV (virus) | CHO cells | Fc | 318-510 |
| SARS-CoV Spike Protein S1, Fc Tag | SARS1-G241F | SARS-CoV (virus) | CHO cells | Fc | 14-680 |
| SARS-CoV Spike Protein S1, HIS Tag | SARS1-G241H | SARS-CoV (virus) | CHO cells | His | 14-680 |
