WhyACE2(Angiotensin I Converting Enzyme 2)is called"accomplice" to coronavirus?Let's start with the coronavirus.The characteristic appearance of virions lookslike solar corona or crown by electron microscopy, hence the namecoronavirus.The viruses can bedivided into four genera(α, β, γand δ), SARS-CoV, MERS-CoV and SARS-CoV-2 (previously known as 2019-nCoV), belong to the βgenus.Figure 1shows the illustration of the morphology of SARS-CoV-2.Figure1.Illustration of the morphology of SARS-CoV-2(This image is from Wikipedia)The coronavirus is the largest known RNA virus with the largest genome.Proteins that contribute to the overall structure of coronaviruses are the spike (S......

CiteAb, the globalleading search site for biochemical reagents, issued the best award of the year on March 3, 2020. In recent years, Cloud-Clone hasrapid innovation and improvement of product technology and research team. The related products and services of Cloud-Clone (proteins, antibodies, ELISA kits, and animal experiment services) almost have reached the world advanced level, which are in the world-wide popular. The number of publications citing Cloud-Clone products and services has grown rapidly and has so far exceeded 16,000. Consequently, Cloud-Clone stood out from the crowd and won the highest award in the field of ELISA kits, the " ELISA Kit Supplier to watch in 2020&quo......

In Dec. 2019, Literature of Cloud Clone products has exceeded 220. Cloud-Clone could provide multipleproteins, antibodies and ELISA kit, which has been praised by customers.（For more information, please visit: www.cloud-clone.com/www.uscnk.cn）

In Nov. 2019, Literature of Cloud Clone products has exceeded 240. Cloud-Clone could provide multipleproteins, antibodies and ELISA kit, which has been praised by customers.（For more information, please visit: www.cloud-clone.com/www.uscnk.cn）

In Oct. 2019, Literature of Cloud Clone products has exceeded 200. Cloud-Clone could provide multipleproteins, antibodies and ELISA kit, which has been praised by customers.（For more information, please visit: www.cloud-clone.com/www.uscnk.cn）

Streptomycesavidin(SA)isaproteinsecretedbyStreptomycesavidin(Streptomycesavidin)duringculture.Withamolecularweightof65kD,SAiscomposedoffouridenticalpeptidechains,eachofwhichcanbindtoonebiotinmolecule.Althoughthebindingofstreptomycinandbiotinisnotanimmuneresponse,ithasstrongspecificityandaffinity.Oncethetwobind,theyareextremelystable,andeventuallyformakindoflattice- likecomplex,whichcanbeassistedbyenzymaticreactionorfluorescencetoamplifythebasicsignalbythousandsoftimes.Therefore,streptavidinandbiotinsystemhasbecomethemostcommonandimportantbiologicalamplificationsysteminlaboratoryandindustrialproduction.Itiswidelyusedinthedetectionofnucleicacid,proteinandheavymetalions,involvingmedicalte......