RESIDUE 5KK 50 CONECT C1 4 N1 N7 H1 H2 CONECT N1 3 C1 C4 H3 CONECT C4 4 N1 C7 H5 H6 CONECT C7 4 C4 N4 H7 H8 CONECT N4 3 C7 C11 H9 CONECT C11 4 N4 N8 H11 H12 CONECT N8 3 C11 C10 C12 CONECT C10 4 N8 N6 H14 H15 CONECT N6 3 C10 C8 H16 CONECT C8 4 N6 C6 H18 H19 CONECT C6 4 C8 N3 H20 H21 CONECT N3 3 C6 C3 H22 CONECT C3 4 N3 N7 H24 H25 CONECT N7 3 C1 C3 C2 CONECT C2 4 N7 N2 H27 H28 CONECT N2 3 C2 C5 H29 CONECT C5 4 N2 C9 H31 H32 CONECT C9 4 C5 N5 H33 H34 CONECT N5 3 C9 C12 H35 CONECT C12 4 N8 N5 H37 H38 CONECT H1 1 C1 CONECT H2 1 C1 CONECT H3 1 N1 CONECT H5 1 C4 CONECT H6 1 C4 CONECT H7 1 C7 CONECT H8 1 C7 CONECT H9 1 N4 CONECT H11 1 C11 CONECT H12 1 C11 CONECT H14 1 C10 CONECT H15 1 C10 CONECT H16 1 N6 CONECT H18 1 C8 CONECT H19 1 C8 CONECT H20 1 C6 CONECT H21 1 C6 CONECT H22 1 N3 CONECT H24 1 C3 CONECT H25 1 C3 CONECT H27 1 C2 CONECT H28 1 C2 CONECT H29 1 N2 CONECT H31 1 C5 CONECT H32 1 C5 CONECT H33 1 C9 CONECT H34 1 C9 CONECT H35 1 N5 CONECT H37 1 C12 CONECT H38 1 C12 END HET 5KK 50 HETNAM 5KK 1,3,6,8,10,13,16,19-octaazabicyclo[6.6.6]icosane FORMUL 5KK C12 H30 N8