>sp|Q980B6|GCH3_SACS2 GTP cyclohydrolase III OS=Saccharolobus solfataricus GN=gch3 MKILAIKLLDYREWTERLGYDREWLIQKIQNKFMMKIHEIASQYNTFPLQLRFDNFLMIA DGITTTQLAYMINDMQENLPVRIKSCLGYGKTPLEAQWNASICLNNQDDNEIKEYTDEKI AALHFDINFNTETLKYTSVYDSFIEITNIYVNLSRFLYKIGGILQYLGGDNYLGFISTES VNKVIEEFSDDNKIKVGIGIGKNARTAIRLATTSLEKIRNNREKTWHMEEE