2O6H
Lumazine synthase RibH1 from Brucella melitensis (Gene BMEI1187, Swiss-Prot entry Q8YGH2) complexed with inhibitor 5-Nitro-6-(D-Ribitylamino)-2,4(1H,3H) Pyrimidinedione
Pentatricopeptide repeat-containing protein At3g63370, chloroplastic - Arabidopsis thaliana