>sp|Q0I4A3|RIBA_HISS1 GTP cyclohydrolase-2 OS=Histophilus somni (strain 129Pt) OX=205914 GN=ribA PE=3 SV=1 MSKIQLVAEAKLPTEFGIFRIVGFEFPDTQKEHVALVMGDINDDKPVLARIHSECLTGDA LHSLKCDCGFQLATALRQISEAGRGVLIYHREEGRGIGLINKIRAYALQDQGLDTIEANL ALGFAADERNFSVCADIFALLGVKQVRLLTNNPNKIETMKKSGINIVERVPLNVGENRYN TEYLDTKAKKMGHFIVHNNEQHLIACPHCQEEIPKK