Complete Genome Sequence of Alteromonas sp. Strain I4, Isolated from the Japan Sea.

A novel strain of Alteromonas, I4, was isolated from a shallow beach of the Japan Sea. Here, we report the complete genome sequence of I4; this strain contains a single circular chromosome (5,133,645 bp; G+C content, 48.4%) and a single circular putative plasmid (123,836 bp; G+C content, 45.1%).