>tr|A0A317RHL0|A0A317RHL0_9BURK Phosphoribosyl-AMP cyclohydrolase OS=Melaminivora alkalimesophila GN=hisI MDTMNWLDQVKWDAQGLVPVIAQEAATGDVLMFAWMNREALAKTAELGRAVYYSRSRGKL WFKGEESGHVQQVHDIRLDCDSDVVLLKVTQLGHEPGIACHTGRHSCFFNALQNGAWQAV DPVLKDPESIYK