>tr|D2PD47|D2PD47_SULID GTP cyclohydrolase III OS=Sulfolobus islandicus GN=gch3 MKVLAIKLVDYREWTERLGYDREWLIQKIQNKFMMKIHEIASQYSTFPLQLRFDNFLMIV DGITNTQLIYMINDMQENLPVGIKTCLGYGKTPLEAQWNASVCLNNKEDKFKEYVDEKIA ALHFDINFNTEALKYTSVYDSFLEITNIYVDLSRFLYKIGGILQYLGGDNYLGFVSTNSV NKVIEKFSDDNKIKVGIGIGQNARTAIKLATTSLEKIRNNREKTWHIEEEYH