AUTHOR=Peng Chong , Guo Yixue , Ren Shaodong , Li Cen , Liu Fufeng , Lu Fuping TITLE=SPSED: A Signal Peptide Secretion Efficiency Database JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2021.819789 DOI=10.3389/fbioe.2021.819789 ISSN=2296-4185