Although identical in composition and stoichiometry to TFIIHwt , TFIIHmut shows a reduced 3' --> 5' XPB helicase activity .
although identical in composition and stoichiometry to tfiihwt , tfiihmut shows a reduced 3' --> 5' xpb helicase activity .
O O O O O B-other_name O B-protein_molecule O B-protein_molecule O O O O O O B-protein_subunit O O O