義翹神州開發出重組Spike S1 D614G突變體蛋白（40591-V08H3）。經過ELISA 結合試驗證實，該重組S1突變體可與ACE2結合。
除了Spike D614突變體，新冠病毒基因組的其他一些突變位點很大程度上與Spike S1蛋白和ACE2的結合能力增加正相關。義翹神州開發了一系列的Spike 突變體蛋白以滿足研究者們對新冠突變株的深入研究。
新冠Spike突變體蛋白
| 貨號 | 產品名稱 |
| 40591-V08H3 | SARS-CoV-2 Spike S1-His tag (D614G) |
| 40592-V08H7 | SARS-CoV-2 Spike RBD-His tag (K458R) |
| 40592-V08H6 | SARS-CoV-2 Spike RBD-His tag (F342L) |
| 40592-V08H1 | SARS-CoV-2 Spike RBD-His tag (V367F) |
| 40592-V05H1 | SARS-CoV-2 Spike RBD-mFc tag (V367F) |
| 40592-V08H2 | SARS-CoV-2 Spike RBD-His tag (N354D) |
| 40592-V08H4 | SARS-CoV-2 Spike RBD-His tag (A435S) |
| 40592-V08H5 | SARS-CoV-2 Spike RBD-His tag (V483A) |
| 40592-V08H9 | SARS-CoV-2 Spike RBD-His tag (W436R) |
| 40592-V08H8 | SARS-CoV-2 Spike RBD-His tag (G476S) |
| 40592-V08H10 | SARS-CoV-2 Spike RBD-His tag (R408I) |
| 40592-V08H11 | SARS-CoV-2 Spike RBD-His tag (V341I) |
| 40592-V08H12 | SARS-CoV-2 Spike RBD-His tag (Y508H) |
| 40592-V08H14 | SARS-CoV-2 Spike RBD-His tag (N439K) |
| 40592-V08H15 | SARS-CoV-2 Spike RBD-His tag (V503F) |
| 40592-V08H16 | SARS-CoV-2 Spike RBD-His tag (A522V) |
| 40592-V08H18 | SARS-CoV-2 Spike RBD-His tag (S494P) |
| 40592-V08H19 | SARS-CoV-2 Spike RBD-His tag (A372S) |
| 40592-V08H20 | SARS-CoV-2 Spike RBD-His tag (A520S) |
| 40592-V08H21 | SARS-CoV-2 Spike RBD-His tag (A522S) |
| 40592-V08H22 | SARS-CoV-2 Spike RBD-His tag (D405V, Q414A) |
| 40592-V08H23 | SARS-CoV-2 Spike RBD-His tag (Q414E) |
| 40592-V08H24 | SARS-CoV-2 Spike RBD-His tag (P384L) |
| 40592-V08H25 | SARS-CoV-2 Spike RBD-His tag (A348S) |
| 40592-V08H26 | SARS-CoV-2 Spike RBD-His tag (F338L) |
| 40592-V08H27 | SARS-CoV-2 Spike RBD-His tag (F377L) |
| 40592-V08H28 | SARS-CoV-2 Spike RBD-His tag (L452R) |
| 40592-V08H29 | SARS-CoV-2 Spike RBD-His tag (P521S) |
| 40592-V08H30 | SARS-CoV-2 Spike RBD-His tag (T478I) |
| 40592-V08H31 | SARS-CoV-2 Spike RBD-His tag (V483I) |
| 40592-V08H32 | SARS-CoV-2 Spike RBD-His tag (S359N) |
| 40592-V08H33 | SARS-CoV-2 Spike RBD-His tag (K378R) |
| 40592-V08H34 | SARS-CoV-2 Spike RBD-His tag (Q409E) |
| 40592-V08H35 | SARS-CoV-2 Spike RBD-His tag (I472V) |
| 40592-V08H36 | SARS-CoV-2 Spike RBD-His tag (A372T) |
| 40592-V08H37 | SARS-CoV-2 Spike RBD-His tag (A344S) |
| 40592-V08H39 | SARS-CoV-2 Spike RBD-His tag (A520V) |
| 40592-V08H40 | SARS-CoV-2 Spike RBD-His tag (E406Q) |
| 40592-V08H41 | SARS-CoV-2 Spike RBD-His tag (F490S) |
| 40592-V08H42 | SARS-CoV-2 Spike RBD-His tag (K378N) |
| 40592-V08H43 | SARS-CoV-2 Spike RBD-His tag (N370S) |
| 40592-V08H44 | SARS-CoV-2 Spike RBD-His tag (Q414R) |
| 40592-V08H45 | SARS-CoV-2 Spike RBD-His tag (S477I) |
| 40592-V08H46 | SARS-CoV-2 Spike RBD-His tag (S477N) |
| 40592-V08H47 | SARS-CoV-2 Spike RBD-His tag (T385A) |
| 40592-V08H48 | SARS-CoV-2 Spike RBD-His tag (T393P) |
| 40592-V08H49 | SARS-CoV-2 Spike RBD-His tag (V395I) |
| 40592-V08H52 | SARS-CoV-2 Spike RBD-His tag (G485S) |
| 40592-V08H53 | SARS-CoV-2 Spike RBD-His tag (G482S) |
| 40592-V08H54 | SARS-CoV-2 Spike RBD-His tag (K444R) |
| 40592-V08H55 | SARS-CoV-2 Spike RBD-His tag (N440K) |
| 40592-V08H56 | SARS-CoV-2 Spike RBD-His tag (E471Q) |
| 40592-V08H57 | SARS-CoV-2 Spike RBD-His tag (P479S) |
| 40592-V08H58 | SARS-CoV-2 Spike RBD-His tag (A352S) |
| 40592-V08H59 | SARS-CoV-2 Spike RBD-His tag (K417N) |
| 40592-V08H62 | SARS-CoV-2 Spike RBD-His tag (P337S) |
| 40592-V08H63 | SARS-CoV-2 Spike RBD-His tag (P521R) |
| 40592-V08H64 | SARS-CoV-2 Spike RBD-His tag (S477R) |
| 40591-V02H3 | SARS-CoV-2 Spike S1 ECD-Fc (D614G) |
| 40589-V08H4 | SARS-CoV-2 Spike S1+S2 ECD tag (R683A, R685A, F817P, A892P, A899P, A942P, K986P, V987P) |