This 40-kDa polypeptide is able to interact with the tumor suppressor p16 ( INK4A ) .
this 40-kda polypeptide is able to interact with the tumor suppressor p16 ( ink4a ) .
O B-peptide I-peptide O O O O O O B-protein_family_or_group I-protein_family_or_group B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O