1. d.14.1 Ribosomal protein S5 domain 2-like Ribosomal protein S5 domain 2-like core: beta(3)-alpha-beta-alpha; 2 layers: alpha/beta; left-handed crossover 2cve d2cvea1 A:2-6,46-55,56-63,66-82,85-95 1vi7 d1vi7a1 A:6-11,53-61,69-75,78-94,97-107 2. d.161.1 ADC synthase the active site is formed by additional structures inserted into the core structure ! ADC synthase duplication: contains four repeats of alpha-beta(2)-beta motif arranged in a 4 layer core structure: alpha/beta/beta/alpha; orthogonally packed beta-sheets 1i1q d1i1qa_ A:6-16,55-65,66-73,74-88,172-180 1i7s d1i7sa_ A:6-17,55-65,66-73,74-88,171-180 1i7s d1i7sc_ C:6-17,55-65,66-73,74-88,171-180