▁found ▁together ▁with ▁a ▁ple ck str in - hom ology ▁( PH ) ▁domain ▁to ▁form ▁a ▁combined ▁D H / PH ▁domain ▁structure . ▁ ▁A ▁distinct ▁class ▁of ▁R ho GE F s ▁is ▁those ▁prote ins ▁containing ▁the ▁DO CK / C Z H / D HR - 2 ▁domain . ▁This ▁structure ▁has ▁no ▁sequence ▁similarity ▁with ▁DB L - hom ology ▁domains . ▁ ▁Human ▁prote ins ▁containing ▁D H / PH ▁R ho GE F ▁domain ▁ ▁A BR ; ▁ ▁A K AP 1 3 / AR H GE F 1 3 / L bc ; ▁ ▁A LS 2 ; ▁ ▁A LS 2 CL ; ▁▁ ▁AR H GE F 1 / p 1 1 5 - R ho GE F ; ▁ ▁AR H GE F 1 0 ; ▁ ▁AR H GE F 1 0 L ; ▁ ▁AR H GE F 1 1 / PD Z - R ho GE F .; ▁▁ ▁AR H GE F 1 2 / L AR G ; ▁ ▁AR H GE F 1 5 ; ▁ ▁AR H GE F 1 6 ; ▁ ▁AR H GE F 1 7 ; ▁ ▁AR H GE F 1 8 ; ▁ ▁AR H GE F 1 9 ; ▁ ▁AR H GE F 2 ; ▁ ▁AR H GE F 2 5 ; ▁ ▁AR H GE F 2 6 ; ▁ ▁AR H GE F 2 8 ; ▁ ▁AR H GE F