Domain-swapped structure of the potent antiviral protein griffithsin and its mode of carbohydrate binding. Export

@article{citeulike:3179986, abstract = {The crystal structure of griffithsin, an antiviral lectin from the red alga Griffithsia sp., was solved and refined at 1.3 A resolution for the free protein and 0.94 A for a complex with mannose. Griffithsin molecules form a domain-swapped dimer, in which two beta strands of one molecule complete a beta prism consisting of three four-stranded sheets, with an approximate 3-fold axis, of another molecule. The structure of each monomer bears close resemblance to jacalin-related lectins, but its dimeric structure is unique. The structures of complexes of griffithsin with mannose and N-acetylglucosamine defined the locations of three almost identical carbohydrate binding sites on each monomer. We have also shown that griffithsin is a potent inhibitor of the coronavirus responsible for severe acute respiratory syndrome (SARS). Antiviral potency of griffithsin is likely due to the presence of multiple, similar sugar binding sites that provide redundant attachment points for complex carbohydrate molecules present on viral envelopes.}, address = {Protein Structure Section, Macromolecular Crystallography Laboratory, National Cancer Institute, NCI-Frederick, Frederick, MD 21702, USA.}, author = {Zi\'{o}{\l}kowska, N. E. and O'Keefe, B. R. and Mori, T. and Zhu, C. and Giomarelli, B. and Vojdani, F. and Palmer, K. E. and McMahon, J. B. and Wlodawer, A.}, citeulike-article-id = {3179986}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.str.2006.05.017}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/16843894}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=16843894}, doi = {10.1016/j.str.2006.05.017}, issn = {0969-2126}, journal = {Structure (London, England : 1993)}, keywords = {benthamiana, griffithsin, lectin, tmv}, month = {July}, number = {7}, pages = {1127--1135}, posted-at = {2008-09-01 22:15:58}, priority = {0}, title = {Domain-swapped structure of the potent antiviral protein griffithsin and its mode of carbohydrate binding.}, url = {http://dx.doi.org/10.1016/j.str.2006.05.017}, volume = {14}, year = {2006} }

TY - JOUR ID - citeulike:3179986 L3 - citeulike-article-id:3179986 N2 - The crystal structure of griffithsin, an antiviral lectin from the red alga Griffithsia sp., was solved and refined at 1.3 A resolution for the free protein and 0.94 A for a complex with mannose. Griffithsin molecules form a domain-swapped dimer, in which two beta strands of one molecule complete a beta prism consisting of three four-stranded sheets, with an approximate 3-fold axis, of another molecule. The structure of each monomer bears close resemblance to jacalin-related lectins, but its dimeric structure is unique. The structures of complexes of griffithsin with mannose and N-acetylglucosamine defined the locations of three almost identical carbohydrate binding sites on each monomer. We have also shown that griffithsin is a potent inhibitor of the coronavirus responsible for severe acute respiratory syndrome (SARS). Antiviral potency of griffithsin is likely due to the presence of multiple, similar sugar binding sites that provide redundant attachment points for complex carbohydrate molecules present on viral envelopes. IS - 7 JF - Structure (London, England : 1993) SN - 0969-2126 AD - Protein Structure Section, Macromolecular Crystallography Laboratory, National Cancer Institute, NCI-Frederick, Frederick, MD 21702, USA. EP - 1135 TI - Domain-swapped structure of the potent antiviral protein griffithsin and its mode of carbohydrate binding. VL - 14 SP - 1127 KW - benthamiana KW - griffithsin KW - lectin KW - tmv AU - Ziółkowska, NE AU - O'Keefe, BR AU - Mori, T AU - Zhu, C AU - Giomarelli, B AU - Vojdani, F AU - Palmer, KE AU - McMahon, JB AU - Wlodawer, A PY - 2006/07// UR - http://dx.doi.org/10.1016/j.str.2006.05.017 ER -