tll1797 Nucleoside-triphosphate diphosphatase Non-standard purine NTP pyrophosphatase MPILAQAVLASHNAGKVKEFQGWLQPWIGELVALPAAIEIAETADSFVANACLKAATAAKVMGEWAIADDSGLAVHALQGAPGIYSARYGATDAERIERLLREMADVSDRAAEFICVIALARPDGTIAVTTEGRCAGEILTAPRGQGGFGYDPVFWVPSQQRTFAEMSPVEKQQVSHRGQALQRLREYFQTLNP 194 NTPA_THEEB tll1797 Non-canonical purine NTP pyrophosphatase Pyrophosphatase that hydrolyzes non-canonical purine nucleotides such as XTP and ITP/dITP to their respective monophosphate derivatives. Might exclude non-canonical purines from DNA precursor pool, thus preventing their incorporation into DNA and avoiding chromosomal lesions (By similarity). Nucleoside-triphosphate pyrophosphatase