RESIDUE 1NB 28 CONECT C7 4 C8 C27 C30 H7 CONECT C8 4 C7 C9 C29 H8 CONECT C9 4 C8 C26 H91 H92 CONECT C17 3 C27 C19 H17 CONECT O5 1 C30 CONECT O4 2 C29 HO4 CONECT C26 4 C9 C28 H261 H262 CONECT C29 4 C8 O4 C28 H29 CONECT C27 4 C7 C17 H271 H272 CONECT C28 4 C26 C29 H281 H282 CONECT C19 3 C17 H191 H192 CONECT C30 3 C7 O5 H30 CONECT H7 1 C7 CONECT H8 1 C8 CONECT H91 1 C9 CONECT H92 1 C9 CONECT H17 1 C17 CONECT HO4 1 O4 CONECT H261 1 C26 CONECT H262 1 C26 CONECT H29 1 C29 CONECT H271 1 C27 CONECT H272 1 C27 CONECT H281 1 C28 CONECT H282 1 C28 CONECT H191 1 C19 CONECT H192 1 C19 CONECT H30 1 C30 END HET 1NB 28 HETSYN 1NB GR143783 HETNAM 1NB 2-(2-HYDROXY-CYCLOPENTYL)-PENT-4-ENAL FORMUL 1NB C10 H16 O2