Thompson Street Capital Partners, a private equity firm based in St. Louis, has acquired Vector Laboratories, the protein detection business unit of Maravai (NASDAQ: MRVI). Vector Laboratories is a manufacturer of labeling and visual detection reagents for life science researchers doing tissue-based protein detection and characterization.

“Maravai has been critical in helping strengthen Vector Laboratories’ operations, including innovative solutions to better serve our academic and early development stage customers,” said Lisa Sellers, Vector’s chief executive officer. “We’re excited to partner with Thompson Street Capital Partners, as their knowledge of the research reagents space provides an immediate opportunity to position the Company for both organic and strategic growth and take advantage of what we believe are tremendous opportunities in the marketplace.”

“Vector Laboratories has been an established, well-respected and innovative manufacturer in the life science sector for decades, and we’re excited to be partnering with Dr. Sellers and the Vector team to achieve the next phase of the Company’s growth,” said Bob Dunn, managing partner at TSCP. Added J.C. Wetzel, director at TSCP, “Our experience in the life sciences sector allows us to understand the importance of what Vector provides to its customers as well as recognize the long-term potential for continued evolution.”