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CA_C2665

Gene
CA_C2665
Protein
dITP/XTP pyrophosphatase
Organism
Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787)
Length
201 amino acids
Function
Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions.
Similarity
Belongs to the HAM1 NTPase family.
Mass
22.858 kDa
Sequence
MKKIIIASNNQNKIREIKQILKEFDFNIVSLKEENIDIDVEEDGKTFIENAYKKAYEIYKMRKDCMVIADDSGLTVDELEGAPGIYSARFAGIHGDDKKNNEKLLSLLEGVPFEKRNAQFVCSIVLIIDEANSIKVEGEISGFITDKEIGTKGFGYDPLFYVPEFKKTFAELTEDEKNSISHRAIALEKLCSEMKKLNWGE