10500-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA. " class="big_lightbox"> 10500-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA. " alt="Recombinant SARS-CoV-2 Spike RBD His-tag Protein (HEK293 Expressed) (10500-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA. " class="big_thumb" />

10500-CV) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 28-38 kDa." class="big_lightbox"> 10500-CV) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 28-38 kDa." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.37 nM and 93.5 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=2.149 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.37 nM and 93.5 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=2.149 nM." class="big_thumb" />

10500-CV) binds recombinant human ACE-2 (10544-ZN) in a functional ELISA. The binding activity is approximately 3-fold greater than a top competitor’s Spike RBD protein." class="big_lightbox"> 10500-CV) binds recombinant human ACE-2 (10544-ZN) in a functional ELISA. The binding activity is approximately 3-fold greater than a top competitor’s Spike RBD protein." class="big_thumb" />

10500-CV) or a competitor’s Spike RBD protein were run under reducing or non-reducing conditions and visualized by silver staining. The R&D Systems Spike protein runs as a sharper, more definitive band than the competitor’s Spike RBD protein." class="big_lightbox"> 10500-CV) or a competitor’s Spike RBD protein were run under reducing or non-reducing conditions and visualized by silver staining. The R&D Systems Spike protein runs as a sharper, more definitive band than the competitor’s Spike RBD protein." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 Spike RBD Fc Chimera Protein (Catalog # 10499-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.73 nM and 46.7 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of K_d=7.037 nM. " class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.73 nM and 46.7 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of K_d=7.037 nM. " class="big_thumb" />

10523-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_lightbox"> 10523-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

10523-CV) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 26-32 kDa." class="big_lightbox"> 10523-CV) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 26-32 kDa." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.37 nM and 93.5 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=1.910 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.37 nM and 93.5 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=1.910 nM." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 B.1.1.7 N501Y Spike RBD His-tag (Catalog # 10730-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.18 nM and 47.2 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=0.3845 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.18 nM and 47.2 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=0.3845 nM." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 B.1.351 Spike RBD His-tag (Catalog # 10735-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.18 nM and 47.2 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=2.227 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.18 nM and 47.2 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=2.227 nM." class="big_thumb" />

10534-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_lightbox"> 10534-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 Spike RBD His-tag (CHO Expressed) (10534-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

10534-CV) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 32-40 kDa and 28-35 kDa, respectively." class="big_lightbox"> 10534-CV) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 32-40 kDa and 28-35 kDa, respectively." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.37 nM and 93.5 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=1.722 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.37 nM and 93.5 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=1.722 nM." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 Spike RBD mFc Chimera (Catalog # 10657-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-Cov-2 B.1.1.529 Spike RBD Fc Chimera (Catalog # 11057-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.021 nM and 53.1 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of K_d=3.63 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.021 nM and 53.1 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of K_d=3.63 nM." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 Spike RBD (GCN4-IZ) His-tag (Catalog # 10659-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 B.1.617.2 Spike RBD Fc Chimera (Catalog # 10901-CV) binds Recombinant Human ACE-2 His-tag (Catalog # 933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.184 nM and 94.3 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of K_D=5.25 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.184 nM and 94.3 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of K_D=5.25 nM." class="big_thumb" />

933-ZN) in a functional ELISA." class="big_lightbox"> 933-ZN) in a functional ELISA." alt="Recombinant SARS-CoV-2 S477N Spike RBD His-tag (Catalog # 10713-CV) binds Recombinant Human ACE-2 His-tag (933-ZN) in a functional ELISA." class="big_thumb" />

933-ZN) was measured at a concentration range between 0.18 nM and 94.3 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=0.9981 nM." class="big_lightbox"> 933-ZN) was measured at a concentration range between 0.18 nM and 94.3 nM. The double-referenced sensorgram was fit to a 1:1 binding model to determine the binding kinetics and affinity, with an affinity constant of KD=0.9981 nM." class="big_thumb" />

10544-ZN) in a functional ELISA." class="big_lightbox"> 10544-ZN) in a functional ELISA." alt="Biotinylated Recombinant SARS-CoV-2 Spike RBD His-tag (Catalog # BT10500) binds Recombinant Human ACE-2 Fc Chimera (10544-ZN) in a functional ELISA." class="big_thumb" />