Articles with the keyword: 
Enzyme structure reveals key ingredients for making hydrogen
sea-maid submitted, created time 3 months 3 weeks (www.nature.com)
Iron and carbon monoxide are the crucial ingredients that nature uses to process hydrogen, according to researchers. Resolving the structure of the last of the three known hydrogenase enzymes has excited chemists, who are keen to follow nature’s clear advice and develop their own hydrogen catalysts for energy applications. 
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