>d2polb3 d.131.1.1 (B:245-366) DNA polymerase III, beta subunit {Escherichia coli} rrvlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqeeaee ildvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayvvmpm rl