RESIDUE 4YB 60 CONECT C1 3 C2 N2 N4 CONECT C2 3 C1 C3 N5 CONECT C3 3 C2 N1 N6 CONECT C4 3 N4 N5 H1 CONECT N1 2 C3 C21 CONECT N2 2 C1 C21 CONECT O1 1 C5 CONECT C5 3 O1 O2 C6 CONECT O2 2 C5 H2 CONECT C6 3 C5 C7 C11 CONECT C7 3 C6 C8 H3 CONECT C8 3 C7 C9 H4 CONECT C9 3 C8 C10 H5 CONECT C10 3 C9 C11 H6 CONECT C11 3 C6 C10 C12 CONECT C12 3 C11 O3 C13 CONECT O3 1 C12 CONECT C13 4 C12 C14 H7 H8 CONECT C14 4 C13 C15 H9 H10 CONECT C15 3 C14 O4 N3 CONECT O4 1 C15 CONECT N3 3 C15 S1 H11 CONECT S1 4 N3 O5 O6 O7 CONECT O5 1 S1 CONECT O6 1 S1 CONECT O7 2 S1 C16 CONECT C16 4 O7 C17 H12 H13 CONECT C17 4 C16 O8 C18 H14 CONECT O8 2 C17 C20 CONECT C18 4 C17 O9 C19 H15 CONECT O9 2 C18 H16 CONECT C19 4 C18 O10 C20 H17 CONECT O10 2 C19 H18 CONECT C20 4 O8 C19 N4 H19 CONECT N4 3 C1 C4 C20 CONECT N5 2 C2 C4 CONECT C21 3 N1 N2 H20 CONECT N6 3 C3 H21 H22 CONECT H1 1 C4 CONECT H2 1 O2 CONECT H3 1 C7 CONECT H4 1 C8 CONECT H5 1 C9 CONECT H6 1 C10 CONECT H7 1 C13 CONECT H8 1 C13 CONECT H9 1 C14 CONECT H10 1 C14 CONECT H11 1 N3 CONECT H12 1 C16 CONECT H13 1 C16 CONECT H14 1 C17 CONECT H15 1 C18 CONECT H16 1 O9 CONECT H17 1 C19 CONECT H18 1 O10 CONECT H19 1 C20 CONECT H20 1 C21 CONECT H21 1 N6 CONECT H22 1 N6 END HET 4YB 60 HETNAM 4YB 5'-O-{[4-(2-carboxyphenyl)-4-oxobutanoyl]sulfamoyl}aden HETNAM 2 4YB osine FORMUL 4YB C21 H22 N6 O10 S1