Test form Please enable JavaScript in your browser to complete this form.Desired SARS-CoV-2 spike proteins: *Stabilized Omicron trimeric spike protein (in development)Stabilized Delta trimeric spike proteinStabilized Beta trimeric spike proteinStabilized Alpha trimeric spike proteinStabilized Wuhan trimeric spike proteinStabilized D614G trimeric spike proteinReceptor binding domain (RBD) monomerOther (please specify below)How much of 'Omicron trimeric spike protein (in development)' do you want?Test sample (1 mg)1-10 mg10-100 mg100-500 mg1 gram or moreHow much of 'Stabilized Delta trimeric spike protein' do you want?Test sample (1 mg)1-10 mg10-100 mg100-500 mg1 gram or moreHow much of 'Stabilized Beta trimeric spike protein' do you want?Test sample (1 mg)1-10 mg10-100 mg100-500 mg1 gram or moreHow much of 'Stabilized Alpha trimeric spike protein' do you want?Test sample (1 mg)1-10 mg10-100 mg100-500 mg1 gram or moreHow much of 'Stabilized Wuhan trimeric spike protein' do you want?Test sample (1 mg)1-10 mg10-100 mg100-500 mg1 gram or moreHow much of 'Stabilized D614G trimeric spike protein' do you want?Test sample (1 mg)1-10 mg10-100 mg100-500 mg1 gram or moreHow much of 'Receptor binding domain (RBD) monomer' do you want?Test sample (1 mg)1-10 mg10-100 mg100-500 mg1 gram or moreMessage (optional)Email *Name *FirstLastCompany *Position *Country *Province, state or region *How did you learn about ExcellGene spike proteins? *Google/Search engineLinkedIn/Social mediaEmail/callThrough a friend or colleagueTradeshow or in-person eventScientific publicationReferred from another websiteOtherNewsletterSign me up to the ExcellGene newsletterOpt in for up-to-date science content, product news, event info and exclusive access to ExcellGene publications and Whitepapers.Privacy *I agree to ExcellGene's Terms of ServiceWe promise not to sell, reuse or rent your information. To ensure you're not a robot, this site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.Make request Home About us Newsroom Knowledge base Protein expression services Cell line development Rapid protein production Virus-like particle production Tox material production cGMP master cell banking Protein expression technologies CHO Transient Transfection Kit CHOExpress™ host cells HEKExpress™ cells Contact Get in touch Careers Privacy policy