RNA NucleotidyltransferasesNucleotidyltransferasesPolynucleotide AdenylyltransferaseDNA NucleotidyltransferasesMolecular Sequence DataAmino Acid SequenceNucleotidesPolymorphism, Single NucleotideAdenine NucleotidesGuanine NucleotidesPurine NucleotidesBase SequenceCloning, MolecularNucleotides, CyclicGuanine Nucleotide Exchange FactorsSequence Homology, Nucleic AcidPyrimidine NucleotidesSequence Analysis, DNADNANucleic Acid ConformationEscherichia coliAdenosine TriphosphateMutation