Fig. 1. Schematic representation of constructs used in this study. The diagrams show the positions of the chimeric proteins comprising Syt I and Syt II. C, cytosolic domain; HA, hemagglutinin; J, juxtamembrane domain; L, luminal domain; T7, 11 residue peptide (MASMTGGQQMG) derived from the major capsid protein of the T7 phage; TM, transmembrane domain.