screening of protein sequence data bases fore each of these motifs revealed that motifs 1 and 2 are both found in nucleotide-binding phosphotransferases associated with a variety of biological processes , namely adenylate kinase , viral oncogenic protein kinases , elongation factors , na+/k+-transporting atpase , myosin and antibiotic-modifying enzymes .
C0031727
phosphotransferases
C0033640
protein