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Nt5c3b-a

Gene
Nt5c3b-a
Protein
7-methylguanosine phosphate-specific 5'-nucleotidase A
Organism
Xenopus laevis
Length
290 amino acids
Function
Specifically hydrolyzes 7-methylguanosine monophosphate (m(7)GMP) to 7-methylguanosine and inorganic phosphate. The specific activity for m(7)GMP may protect cells against undesired salvage of m(7)GMP and its incorporation into nucleic acids. Also has weak activity for CMP. UMP and purine nucleotides are poor substrates (By similarity).
Similarity
Belongs to the pyrimidine 5'-nucleotidase family.
Mass
33.5 kDa
Sequence
MRLPVLGKDTVRMRDPEGLQDKITRIQRGGQEKLQIISDFDMTLSRFSRNGERCPTCYNIIDNSNIISDEGRKKLKCLFDIYYPLEIDPKKSIEEKYPLMVEWWSKAHDLFYEQRIQKDRLAQVVKESQATLRDGYDLFFNSLYQREIPLFIFSAGIGDVLEEIIRQAGVFHPNTKVVSNYMDFDDNGILTGFKGDLIHTYNKNSSVLKDTEYFKEISHRTNILLLGDTLGDLTMADGVSTVENIIKIGFLNDKVEELTEQFLQSYDIVLLRDETLDVVNGILQFVTAKN