>sp|Q8PWT3|PURP1_METMA 5-formaminoimidazole-4-carboxamide-1-(beta)-D-ribofuranosyl 5'-monophosphate synthetase 1 OS=Methanosarcina mazei GN=purP1 MITKQQVLEFLKNYDLDNITIATVCSHSSLQIFDGARKEGFRTMGICVGKPPKFYEAFPR AKPDEYLIVESYEDIMNKVEELRKKNVIIIPHGSFVAYLGTENFAEMAVPTFGNRAVLEW ESDRSKEREWLLGAGIHMPGKIDDPRDINGPVMVKYDGAKGGKGFFVAKTYEEFDELVDR TQKYTIQEFITGTRYYLHYFYSPIRNEGYTLSEGSLELLSMDRRVESNADEIFRLGSPRE LIEAGIRPTYVVTGNVPLVARESLLPLIFSLGERVVEESLGLFGGMIGAFCLETVFTDEL EIKVFEISARIVAGTNLYISGSPYADLIQEDLSTGRRIAQEIKEAVRKNQLDKIIS