>tr|A6HPE2|A6HPE2_RAT GTP cyclohydrolase 1 feedback regulatory protein OS=Rattus norvegicus GN=Gchfr MPYLLISTQIRMEVGPTMVGDEHSDPELMQQLGASKRRVLGNNFYEYYVNDPPRIVLDKL ECRGFRVLSMTGVGQTLVWCLHKE