6.3.4.23	722644	A Methanocaldococcus jannaschii archaeal signature gene encodes for a 5-formaminoimidazole-4-carboxamide-1-beta-D-ribofuranosyl 5'-monophosphate synthetase. A new enzyme in purine biosynthesis	J. Biol. Chem.	280	10881-10887	2005	Methanocaldococcus jannaschii	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=15623504&form=6&db=m	
6.3.4.23	721607	Crystal structure and function of 5-formaminoimidazole-4-carboxamide ribonucleotide synthetase from Methanocaldococcus jannaschii	Biochemistry	47	205-217	2008	Methanocaldococcus jannaschii	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18069798&form=6&db=m