>3NOY_1|Chains A, B, C, D|4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase|Aquifex aeolicus (63363) MHHHHHHGSMIQKRKTRQIRVGNVKIGGDAPIVVQSMTSTKTHDVEATLNQIKRLYEAGCEIVRVAVPHKEDVEALEEIVKKSPMPVIADIHFAPSYAFLSMEKGVHGIRINPGNIGKEEIVREIVEEAKRRGVAVRIGVNSGSLEKDLLEKYGYPSAEALAESALRWSEKFEKWGFTNYKVSIKGSDVLQNVRANLIFAERTDVPLHIGITEAGMGTKGIIKSSVGIGILLYMGIGDTVRVSLTDDPVVEVETAYEILKSLGLRRRGVEIVACPTCGRIEVDLPKVVKEVQEKLSGVKTPLKVAVMGCVVNAIGEAREADIGLACGRGFAWLFKHGKPIKKVDESEMVDELLKEIQNMEKDGGTN