>sp|A5ULV0|GCH3_METS3 GTP cyclohydrolase III OS=Methanobrevibacter smithii GN=gch3 MIQMTLIQIDNYGPWTVTPRPRNESDLQILQAELYADLERQFANKKGLVFFTRFDNLLAV TNGIDEEDHLRIQRSIRNRYPITISMGVGAAETPHEAQKLATIALQKEGGAQSSKRKEIL AIDSLAPADENNLVQAAHIDINSVTETLTDIESAFDTNFMVNKAQHYLMTKLIKKGALLF FIGGDNFMAPCNGLSEKEIEDILVEINDEIGIGLKAGIGVGRNMEDAAYMADLGLEEIRD HDNGMWTWVIEKEY