a protein fraction designated 8s androgen receptor promoting factor that promotes conversion of the 4.5s androgen receptor to 8 s [ colvard , d. s. , & wilson , e. m. ( 1981 ) endocrinology ( baltimore ) 109 , 496-504 ] has been further purified and found to inhibit the binding of the 4.5s androgen receptor to isolated nuclei and nuclear matrix in a concentration-dependent manner .
C0007610
nuclei
C0028581
nuclear matrix