OPX Biotechnologies Inc. has closed on $36.5 million in a first close of its Series C round, the company said Thursday. US Renewables Group led the round, which included investment from new investor DBL Investors and from existing investors Mohr Davidow Ventures, Braemar Energy Ventures, Altira Group and X/Seed Capital. Pacific Crest Securities provided financial advice to OPXBIO. As a result of the round, US Renewables Group managing director Jonathan Koch has joined the OPXBIO board. The company will use the money for development and commercialization of an industrial-scale process for producing its first renewable chemical, BioAcrylic.