riboflavin biosynthesis protein, putative. similar to ATGCH (ARABIDOPSIS THALIANA GTP CYCLOHYDROLASE II), 3,4-dihydroxy-2-butanone-4-phosphate synthase/ GTP cyclohydrolase II [Arabidopsis thaliana] (TAIR:AT5G64300.1); similar to GTP cyclohydrolase II/3,4-dihydroxy-2-butanone-4-phosphate synthase-like protein [Oryza sativa (japonica cultivar-group)] (GB:AAO72560.1); similar to hypothetical protein OsI_019555 [Oryza sativa (indica cultivar-group)] (GB:EAY98322.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO21723.1); contains InterPro domain 3,4-Dihydroxy-2-butanone 4-phosphate synthase; (InterPro:IPR000422); contains InterPro do