Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Patent - Electrophoresis:
"Zur Expression rekombinanter Proteine gibt es Vektoren, die am 5' oder 3' Ende eines Konstruktes eine Kassette von 5-10 Histidinen an das zu exprimierende Protein anhaengen koennen (His-Tags)."