>sp|A3CXJ6|MPTA_METMJ GTP cyclohydrolase MptA OS=Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) OX=368407 GN=mptA PE=3 SV=1 MELPDVQSSLPEVRINLTRVGVKNVQKLVEVARPGKRPVIFISNFDVFVDLPGSLKGANL SRNFEVIDDVLQQAIDGDVNEIEELCSAVARKLLDRHEYAERTEVRMRSKFMVRRETPVS ETSCHEVVNVHAKAIAQRNEGDPIIRKSIGAEVTGMTACPCAQNIMKDHALHVLENLGVA EDKIEAFFNEVPMATHNQRGRGFLCIEIDDDQHISLEKIIKILKDSMSARIYELLKRGDE SYVVMEAHKNPRFVEDCVREMARKVIAQFHDLPGDSVVTIKQTNEESIHQHNAYAERKAT IAELVSEMDKGTL