PROTEINASE K MSDS NO FURTHER A MYSTERY

1st time I sucked cock, I had been sixteen and my mate explained to me he was planning to blow, so I finished sucking and he blew around his stomach. I wanted to flavor his cum so I licked it off him.The enzyme was discovered in 1974 in extracts in the fungus Parengyodontium album (formerly often called Engyodontium album or Tritirachium album).New