>d2polb2 d.131.1.1 (B:123-244) DNA polymerase III, beta subunit {Escherichia coli} qseveftlpqatmkrlieatqfsmahqdvryylngmlfetegeelrtvatdghrlavcsm pigqslpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgrfp dy