{HEAD ~ The protein} is produced by culture of Trichoderma virens, and may be subsequently recovered from {TAIL ~ the culture medium} and purified 
{ HEAD ~ The protein } is produced by culture of Trichoderma virens , and may be subsequently recovered from { TAIL ~ the culture medium } and purified
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH