LONDON – It used to be called junk DNA, but now Ervaxx Ltd. has shown the noncoding parts of the genome are a treasure trove of novel cancer antigens. Two years after spinning out of the Francis Crick Institute in London, the company has emerged with a $17.5 million series A funding and a fully formed platform for systematically discovering coding sequences for what it refers to as "dark antigens." (The name is trademarked.)