Two novel heteropolymer‐forming proteins maintain the multicellular shape of the cyanobacterium Anabaena sp. PCC 7120. - Springstein, Benjamin L.; Nürnberg, Dennis J.; Woehle, Christian; Weissenbach, Julia; Theune, Marius L.; Helbig, Andreas O.; Maldener, Iris; Dagan, Tal; Stucken, Karina (FEBS Journal, 2021)