>sp|Q3ATN0|GCH1_CHLCH GTP cyclohydrolase 1 OS=Chlorobium chlorochromatii GN=folE MKQEKTPSAITENKLPFSSSNCGCGCHNDDDTLTHDDGLLTDNLESAVYTMLQNVGEDPQ REGLLKTPERVARSMRFLTKGYHENPEELLQKALFTESYDEMVLVRDIDLFSMCEHHMLP FFGKAHVAYIPDGKIVGLSKLARVVEVFSRRLQVQERLTQQIRDAIQNVLNPKGVAVVIE AKHLCMVMRGVEKLNSITTTSAMSGVFMTSPSTRGEFLRLIQK