Draft genome sequence of <i>Serratia proteamaculans</i> strain SK20 isolated from diseased rainbow trout (<i>Oncorhynchus mykiss</i>) in Türkiye

We report the draft genome sequence of <i>Serratia proteamaculans</i> strain SK20 isolated from diseased rainbow trout (<i>Oncorhynchus mykiss</i>) from an aquaculture facility in Türkiye. The genome is 5.38 Mb with 55% GC content and contains 5,012 predicted protein-coding genes.