{HEAD ~ The enzyme} is obtainable from natural sources such as microorganisms of the genus Thermoanaerobium, and obtainable by {TAIL ~ recombinant technology} 
obtainable by
{ HEAD ~ The enzyme } is obtainable from natural sources such as microorganisms of the genus Thermoanaerobium , and obtainable by { TAIL ~ recombinant technology }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL