{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T05:26:32Z","timestamp":1790832392356,"version":"4.1.0"},"reference-count":109,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2021,5,29]],"date-time":"2021-05-29T00:00:00Z","timestamp":1622246400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["Ve 141\/18-1"],"award-info":[{"award-number":["Ve 141\/18-1"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pathogens"],"abstract":"<jats:p>Recent pandemics of zoonotic origin were caused by members of coronavirus (CoV) and influenza A (Flu A) viruses. Their glycoproteins (S in CoV, HA in Flu A) and ion channels (E in CoV, M2 in Flu A) are S-acylated. We show that viruses of all genera and from all hosts contain clusters of acylated cysteines in HA, S and E, consistent with the essential function of the modification. In contrast, some Flu viruses lost the acylated cysteine in M2 during evolution, suggesting that it does not affect viral fitness. Members of the DHHC family catalyze palmitoylation. Twenty-three DHHCs exist in humans, but the number varies between vertebrates. SARS-CoV-2 and Flu A proteins are acylated by an overlapping set of DHHCs in human cells. We show that these DHHC genes also exist in other virus hosts. Localization of amino acid substitutions in the 3D structure of DHHCs provided no evidence that their activity or substrate specificity is disturbed. We speculate that newly emerged CoVs or Flu viruses also depend on S-acylation for replication and will use the human DHHCs for that purpose. This feature makes these DHHCs attractive targets for pan-antiviral drugs.<\/jats:p>","DOI":"10.3390\/pathogens10060669","type":"journal-article","created":{"date-parts":[[2021,5,31]],"date-time":"2021-05-31T01:51:37Z","timestamp":1622425897000},"page":"669","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["S-Acylation of Proteins of Coronavirus and Influenza Virus: Conservation of Acylation Sites in Animal Viruses and DHHC Acyltransferases in Their Animal Reservoirs"],"prefix":"10.3390","volume":"10","author":[{"given":"Dina A.","family":"Abdulrahman","sequence":"first","affiliation":[{"name":"Department of Virology, Animal Health Research Institute (AHRI), Giza 12618, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaorong","family":"Meng","sequence":"additional","affiliation":[{"name":"Institute of Virology, Veterinary Faculty, Free University Berlin, 14163 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7638-1829","authenticated-orcid":false,"given":"Michael","family":"Veit","sequence":"additional","affiliation":[{"name":"Institute of Virology, Veterinary Faculty, Free University Berlin, 14163 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,5,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"931","DOI":"10.1038\/nature08157","article-title":"Emergence and Pandemic Potential of Swine-Origin H1n1 Influenza Virus","volume":"459","author":"Neumann","year":"2009","journal-title":"Nature"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"S82","DOI":"10.1038\/nm1141","article-title":"Influenza: Old and New Threats","volume":"10","author":"Palese","year":"2004","journal-title":"Nat. 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