We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSite-specific PEGylation of a lysine-deficient TNF-alpha with full bioactivity.AuthorsYamamoto Y; Tsutsumi Y; Yoshioka Y; Nishibata T; Kobayashi K; Okamoto T; Mukai Y; Shimizu T; Nakagawa S; Nagata S; Mayumi TPublicationNature biotechnology, 2003, Vol 21, Issue 5, p546ISSN1087-0156Publication typearticleDOI10.1038/nbt812