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The drug molecule is mandatory for the biological action, however, its efficacy can be enhanced by targeted delivery, which often also reduces unwanted side effects. For site-specificity the peptide part is mainly responsible. The linker attaches chemically the drug to the peptide, but it could also be biodegradable which ensures controlled liberation of the small drug. Despite the importance of the field, there is no public comprehensive database on these species. Herein we describe ConjuPepBD, a freely available, fully annotated and manually curated database of peptide drug conjugates. ConjuPepDB contains basic information about the entries, e.g. CAS number. Furthermore, it also implies their biomedical application and the type of chemical conjugation employed. It covers more than 1600 conjugates from \u223c230 publications. The web-interface is user-friendly, intuitive, and useable on several devices, e.g. phones, tablets, PCs. The webpage allows the user to search for content using numerous criteria, chemical structure and a help page is also provided. Besides giving quick insight for newcomers, ConjuPepDB is hoped to be also helpful for researchers from various related fields. The database is accessible at: https:\/\/conjupepdb.ttk.hu\/.<\/jats:p>","DOI":"10.1093\/nar\/gkaa950","type":"journal-article","created":{"date-parts":[[2020,10,8]],"date-time":"2020-10-08T15:22:39Z","timestamp":1602170559000},"page":"D1102-D1112","source":"Crossref","is-referenced-by-count":35,"title":["ConjuPepDB: a database of peptide\u2013drug conjugates"],"prefix":"10.1093","volume":"49","author":[{"given":"Bal\u00e1zs","family":"Balogh","sequence":"first","affiliation":[{"name":"Institute of Organic Chemistry, Semmelweis University, H-1092 Budapest, H\u0151gyes Endre u. 7, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M\u00e1rton","family":"Iv\u00e1nczi","sequence":"additional","affiliation":[{"name":"Institute of Organic Chemistry, Semmelweis University, H-1092 Budapest, H\u0151gyes Endre u. 7, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bilal","family":"Nizami","sequence":"additional","affiliation":[{"name":"Biomolecular Self-Assembly Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, H-1117 Budapest, Magyar Tud\u00f3sok krt. 2, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tam\u00e1s","family":"Beke-Somfai","sequence":"additional","affiliation":[{"name":"Biomolecular Self-Assembly Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, H-1117 Budapest, Magyar Tud\u00f3sok krt. 2, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2865-6143","authenticated-orcid":false,"given":"Istv\u00e1n\u00a0M","family":"M\u00e1ndity","sequence":"additional","affiliation":[{"name":"Institute of Organic Chemistry, Semmelweis University, H-1092 Budapest, H\u0151gyes Endre u. 7, Hungary"},{"name":"TTK Lend\u00fclet Artificial Transporter Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, H-1117 Budapest, Magyar Tud\u00f3sok krt. 2, Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2020,10,30]]},"reference":[{"key":"2021010313132723900_B1","doi-asserted-by":"crossref","first-page":"930","DOI":"10.3762\/bjoc.14.80","article-title":"On the design principles of peptide\u2013drug conjugates for targeted drug delivery to the malignant tumor site","volume":"14","author":"Vrettos","year":"2018","journal-title":"Beilstein J. 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