499 MVFSSNVFLFLFLPLFLGLYYLSPARYRNLLLLTASYVFYAWWRIDFLGLFAAVTVFNYWIGLRIGAAGVRTQSAQRWLTLGVVVDLCVLGYFKYANFGVDSLNAIITSFGVEPFVVTHILLPIGISFYVFESISYIIDVYRGDTPATRNLVDFAAFVAIFPHLIAGPVLRFRDLVDQFNHRTHTLDKFAEGCTRFMQGFIKKVFIADSLAPIADHCFALSDPTTGDAWLGALAYTAQLYFDFSGYSDMAIGLGLMIGFRFMENFNQPYISQSITEFWRRWHISLSTWLRDYLYISLGGNRGTTFQTYRNLILTMLLGGLWHGANWTFIIWGAWHGTWLAIERALRIDAAPKTIRPLRWVFAFLLVMVGWVIFRAENLDVAWRMYAAMFSFGDWTLSDLNKAQLTSLQIATLLLAYVVIAVYGIRQFYAQPLTGAPKAKANDQADAPQGIVHASSGTLAYSQAIDIPALATRVAVLLLFAASVLKLSAQSFSPFLYFQF Probable poly(beta-D-mannuronate) O-acetylase algI Together with AlgV and AlgF, forms an inner membrane complex which probably interacts with the alginate polymerization- transport complex and adds acetyl groups at the O-2 and O-3 positions of polymannuronic acid. Acetylation of alginate increases cyst resistance to desiccation. ALGI_AZOVI Alginate biosynthesis protein AlgI