The article presents abstracts on topics related to molecular biology which include the crystal structure of the dodecameric transmembrane pore build by cytolysin A (ClyA), the behavior of coronin in N-terminal actin-binding (Β-propeller) domain and C-terminal coiled coil (CC) domain, and the crystal structure of Escherichia coli sliding clamp bound to primer-template DNA and to segment of the ψ protein.