>sp|A8F4Y8|ISPG_PSELT 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase (flavodoxin) OS=Pseudothermotoga lettingae GN=ispG MSKTLKIANIFLGGNNPVVIQSMTNTKTQEVEKTIRQINDLMSAGCEMVRVSVPDLESAQ SIKLIKQKVRIPIIADIHFDHKLAIEAIKSGADKIRINPGNIGPEWKIRELAKVAKDYGV AIRVGSNSGSLRKDYEQKHDRATALAESALKEVSILEKEGFYNIVISAKSSDVIETIKAN EYISQKVDYPIHLGVTEAGTHITSTVKSSIAIGYLLLKGIGDTIRVSISGDPVEEVIIAR KILMSLHLRKEGQVIACPTCSRCEINVEQIAKTIEALVEKNNLTVAVMGCVVNGIGEGGH ADIGVAGTKNGAVLFMKGKIVKTIPKEKIVEVLTELIVNRTDKLG