The enzyme at the end of the food chain.
Cammack
R
R
D002245:Carbon Dioxide / Q000378:metabolism; D003067:Coenzymes / Q000737:chemistry / Q000378:metabolism; D004734:Energy Metabolism; D019605:Euryarchaeota / Q000378:metabolism; D015080:Mesna / Q000737:chemistry / Q000378:metabolism; D008697:Methane / Q000378:metabolism; D009532:Nickel / Q000737:chemistry / Q000378:metabolism; D010088:Oxidoreductases / Q000737:chemistry / Q000378:metabolism*; D010769:Phosphothreonine / Q000031:analogs & derivatives / Q000737:chemistry / Q000378:metabolism; D011487:Protein Conformation
D003067:Coenzymes; C049349:7-mercaptoheptanoylthreonine phosphate; D010769:Phosphothreonine; D002245:Carbon Dioxide; D009532:Nickel; D010088:Oxidoreductases; C021572:methyl coenzyme M reductase; D015080:Mesna; D008697:Methane