Molecular MicrobiologyVolume 97, Issue 3 p. i-i Front CoverFree Access The filamentous cyanobacterium Anabaena sp. PCC 7120 imports either free Fe(III), shown here coordinated by 6 water molecules (structure provided by G. Galstyan and E-W. Knapp; J Comput Chem. 2015, 36:69–78), or the ferric-schizokinen complex (PDB entry 3TNY) which is produced when iron is limiting. The background is a light microscopic image of Anabaena filaments and the bottom right is based on an electron micrograph of a cross section of an Anabaena cell revealing its internal membrane system as well as three carboxysomes. (Images from M. Rudolf and E. Schleiff, structures prepared by O. Mirus). For details, see the article by Rudolf et al. on pp. 577–588 of this issue. First published: 27 July 2015 https://doi.org/10.1111/mmi.13127AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume97, Issue3August 2015Pages i-i RelatedInformation