🌐EnglishEnglishDeutschEspañolFrançaisРусскийالعربيةفارسی中文日本語EntityQ2496179· pop 12· linked from 524 articlesorphan receptorprotein with a receptor structure but with unidentified ligandResearch13,736 papersvia PubMedConnectionsbiochemistryEntitydigital object identifierEntityCategoriesReceptors