COVID-19 Related Products

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 Ė 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 (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 (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 (?69-70 ?144 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, 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-nCoVís 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