2.   b.2.7         Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor  duplication: one domain of this fold is inserted into another domain of the same fold !   
                   Common fold of diphtheria toxin/transcription factors/cytochrome f sandwich; 9 strands in 2 sheet; greek-key; subclass of immunoglobin-like fold
                   2bp5  d2bp5m1  M:171-187,189-205,286-297,385-394,418-435
                   2pr9  d2pr9a1  A:171-187,189-205,286-297,385-394,418-435
                   1hes  d1hesa_  A:171-187,189-205,286-297,385-394,418-435
                   1i31  d1i31a_  A:171-187,189-205,286-297,385-394,418-435
                   1bxx  d1bxxa_  A:171-187,189-205,286-297,385-394,418-435
                   1bw8  d1bw8a_  A:171-187,189-205,286-297,385-394,418-435
                   1h6e  d1h6ea_  A:171-187,189-205,286-297,384-394,418-435