amino acid and nucleotide sequence homologies among e. coli rna polymerase core enzyme subunits , dna primase , elongation factor tu , f1-atpase alpha , ribosomal protein l3 , dna polymerase i , t7 phage dna polymerase , and ms2 phage rna replicase beta subunit .
C0012888
dna polymerase i
C0012892
dna polymerase